Sanyo PNR-XS1872, XMS1272 User manual

Sanyo PNR-XS1872, XMS1272 User manual
TECHNICAL & SERVICE MANUAL
INDOOR UNIT : XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
XS1872 & PNR-XS1872
FILE NO.
Destination: North America
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Capacity
Indoor Model No.
Body (Panel)
Product Code No.
Body (Panel)
9,000BTU / h
XMS0972 (PNR-XS1872)
1 852 353 72 (1 852 352 11)
17,500BTU / h
XS1872 (PNR-XS1872)
1 852 352 09 (1 852 352 11)
11,900BTU / h
XMS1272 (PNR-XS1872)
1 852 353 71 (1 852 352 11)
Semi-Concealed Type Indoor Unit
Body
< Applicable Multi-Outdoor Units >
CM1972 (3-room multi unit)
CM2472 (4-room multi unit)
CM3172 (4-room multi unit)
NOTE
Panel
For details about the combinations, refer to
"Unit Combination Table" in the T. Service
Manual for the Multi Outdoor Units.
XMS0972 (Body) & PNR-XS1872 (Panel)
XMS1272 (Body) & PNR-XS1872 (Panel)
XS1872 (Body) & PNR-XS1872 (Panel)
Wireless Remote Controller
Wired Remote Controller
(Option)
REFERENCE NO. SM700815
SAFETY PRECAUTIONS
• Before doing repair work, please read the " SAFETY PRECAUTIONS" carefully and fully understand them.
• The precautionary items here are divided into " Warning" and " Caution" items.
Items in particular which may cause death or serious injury to the service personnel if the work is not performed correctly,
are included in the " Warning" table.
However, even precautionary items identified as " Caution" also have the potential for serious consequences
if not performed correctly.
Important safety precautions are described for all items in both categories. Be sure to carefully follow all of them.
• Symbol Indication
: This symbol indicates items to which we need to pay attention.
In this triangle, a definite precautionary item is described.
: This symbol indicates the item to be prohibited.
In or close to this circle, a prohibited item is described.
: This symbol indicates the items requiring special attention or instruction.
In or close to this circle, a prohibited item is described.
• After doing repair work, perform a test run to confirm that there are no abnormalities.
At the same time, explain the precautions in use to the user.
Warning
Before performing an overhaul, disconnect the power plug or power cable from the unit.
Performing the work with the power supplied to the unit, may cause an electric shock.
When repair work or circuit inspection that requires power supply for the air conditioner, is to be performed,
do not touch the charging section.
Doing so may cause an electric shock.
Prohibit
For the step-up capacitor attached to the electric section, perform the repair work after sufficiently discharging it.
Insufficient capacitor discharge may cause an electric shock.
Do not perform repair work on the electric sections with wet hands.
Doing so may cause an electric shock.
Prohibit
Do not start or stop the air conditioner by means of connecting or disconnecting the power plug.
Doing so may cause an electric shock or fire.
Prohibit
When conducting repair work only use components included in the parts list for the corresponding unit and perform
the work with the appropriate tools.
Incorrect or poor repair work may cause an electric shock or fire.
Never modify the unit.
Doing so may cause an electric shock or fire.
Perform all electric work according to local applicable regulations related to electrical equipment or interior wiring
regulation and make sure to use the exclusive circuit.
Insufficient capacity to the electric circuit or defective arrangement results may cause an electric shock or fire.
Prohibit
Make sure to replace any power cable or lead wire showing any signs of scratch or deterioration.
Failure to do so may cause an electric shock, overheating or fire.
Make sure that there is no dust on or slack in the power plug and insert fully into the socket.
Dust or incomplete connections may cause an electric shock or fire.
Do not damage or process the power cord, as it may cause an electric shock or fire.
For the wiring between the indoor unit and outdoor unit, securely fix the specified cable onto the terminal plate.
Poorly fixed wiring may cause a heat or fire.
After connecting the wiring between the indoor unit and outdoor unit, attach the terminal cover securely.
Incomplete attachment of the terminal cover may cause overheating or fire.
2
Prohibit
Warning
If refrigerant gas blows off during the work, do not touch the refrigerant gas as it may cause frostbite.
Prohibit
If refrigerant gas leaks during the work, ventilate the room.
If refrigerant gas catches fire, harmful gas may be generated.
Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle.
If air or other contaminants mix with the gas, pressure will become extremely high in the refrigerating cycle,
which may cause a unit breakdown."
Prohibit
When the welded section of the compressor intake or discharge pipe is to be disconnected, perform it in
a well-ventilated place after sufficiently recovering the refrigerant gas.
Any residue gas may jet out refrigerant or refrigerating machine oil, which may cause an injury.
When the work is to be performed in a high place (About 2 meters or more), make sure to wear a safety helmet,
gloves and safety belt. Insufficient safety gear may cause a serious injury in case of a fall.
When the unit is to be relocated, confirm that the new installation location has sufficient strength for the weight of the unit.
Insufficient strength of the installation location and incomplete installation work may cause an injury due to
the unit falling.
When the remote controller batteries are replaced, dispose of the old batteries out of the reach of children.
If a child swallows a battery, make sure that the child gets immediate medical attention.
Caution
Do not wash the air conditioner with water, as this may cause an electric shock or fire.
Prohibit
For the repair work in places with high humidity or moisture, make sure to ground the unit.
Failure to do so may cause an electric shock.
Confirm that the component attachment position, wiring condition, soldering condition and connector connection
are normal.
If not, it may cause overheating or fire.
Confirm that the temperature around the compressor is not too high, and then perform the repair work.
Failure to do so may cause a burn.
Perform welding work in a place with good ventilation.
If the work is performed in a poorly ventilated area, it might cause a lack of oxygen.
If the installation plate or attachment frame has deteriorated due to corrosion, etc., replace it.
Failure to do so may cause an injury due to the unit falling.
When the cleaning is to be performed, make sure to turn off the power and pull out the plug.
Touching the fan that is rotating at high speed may result in an injury.
When the indoor unit is to be removed, do not place it on an incline.
Doing so may cause wet furniture because water left inside may trickle down.
Do not hold the sharp end of the unit or the aluminum fins, as it may cause an injury to your hand or finger.
After repairs, make sure to measure the insulation resistance and confirm that the value is 1 Mohm or more.
Any insulation error may cause an electric shock.
After repairs, make sure to check the drainage of the indoor unit.
Inappropriate drainage may cause wet furniture and floors due to water leakage.
3
Prohibit
Prohibit
TABLE OF CONTENTS
Page
SAFETY PRECAUTIONS ..............................................................................................................
2
TABLE OF CONTENTS ...................................................................................................................
4
APPLICABLE MULTI-OUTDOOR UNITS ....................................................................................
6
1. OPERATING RANGE ...................................................................................................................
7
2. SPECIFICATIONS
2-1. Unit Specifications ............................................................................................................. 8
2-2. Major Component Specifications ....................................................................................... 14
2-3. Other Component Specifications ....................................................................................... 17
3. DIMENSIONAL DATA .................................................................................................................... 18
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram .................................................................................................. 19
5. ELECTRICAL DATA
5-1. Electric Wiring Diagrams .................................................................................................... 20
6. MAINTENANCE
6-1. Disassembly Procedure ..................................................................................................... 21
7. FUNCTIONS
7-1. Operation Functions ........................................................................................................... 28
7-2. Protective Functions ........................................................................................................... 30
8. TROUBLESHOOTING
8-1. Precautions before Performing Inspection or Repair ..........................................................
8-2. Method of Self-Diagnostics .................................................................................................
8-3. Checking the Indoor and Outdoor Units ..............................................................................
8-4. Trouble Diagnosis of Fan Motor ..........................................................................................
8-5. Noise Malfunction and Electromagnetic Interference ..........................................................
31
31
33
37
38
APPENDIX A INSTRUCTION MANUAL ......................................................................................... A-1
(XMS0972 & PNR-XS1872, XMS1272 & PNR-XS1872)
APPENDIX B INSTRUCTION MANUAL ......................................................................................... A-2
(XS1872 & PNR-XS1872)
APPENDIX C INSTALLATION INSTRUCTIONS ............................................................................. A-3
XMS0972 & PNR-XS1872, XMS1272 & PNR-XS1872,
XS1872 & PNR-XS1872
(
)
4
Page
APPENDIX D INSTRUCTION MANUAL ......................................................................................... A-4
(STK-RCS-7TWSUA)
APPENDIX E INSTALLATION INSTRUCTIONS ............................................................................ A-5
(STK-RCS-7TWSUA)
5
APPLICABLE MULTI-OUTDOOR UNITS
Multi-Outdoor Unit
3-Room
4-Room
4-Room
CM1972
CM2472
CM3172
XMS0972 & PNR-XS1872
YES
YES
YES
XMS1272 & PNR-XS1872
YES
YES
YES
XS1872 & PNR-XS1872
YES
YES
YES
Indoor Unit
6
1. OPERATING RANGE
Cooling
Temperature
Indoor Air Intake Temp.
Minimum
67 °F D.B. / 57 °F W.B.
Maximum
95 °F D.B. / 71 °F W.B.
7
Outdoor Air Intake Temp.
115 °F D.B.
67 °F D.B.
2. SPECIFICATIONS
2-1. Unit Specifications
2-1-1. Indoor Unit
XMS0972 & PNR-XS1872
<230V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
230V Single-Phase 60Hz
Total Capacity
Cooling
9,000
2.65
221 (375)
3.4
187 to 253
0.1
16
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
33 / 32 / 31
Flare Type
1/4 (6.35)
3/8 (9.52)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XMS0972 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
8
Individual Unit
Body
(XMS0972)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit
XMS0972 & PNR-XS1872
<208V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
208V Single-Phase 60Hz
Total Capacity
Cooling
9,000
2.65
221 (375)
3.4
187 to 253
0.11
15
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
33 / 32 / 31
Flare Type
1/4 (6.35)
3/8 (9.52)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XMS0972 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
9
Individual Unit
Body
(XMS0972)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit
XMS1272 & PNR-XS1872
<230V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
230V Single-Phase 60Hz
Total Capacity
Cooling
11,900
3.5
235 (400)
4.26
187 to 253
0.11
17
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
34 / 32 / 31
Flare Type
1/4 (6.35)
3/8 (9.52)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XMS1272 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
10
Individual Unit
Body
(XMS1272)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit
XMS1272 & PNR-XS1872
<208V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
208V Single-Phase 60Hz
Total Capacity
Cooling
11,900
3.5
235 (400)
4.26
187 to 253
0.12
16
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
34 / 32 / 31
Flare Type
1/4 (6.35)
3/8 (9.52)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XMS1272 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
11
Individual Unit
Body
(XMS1272)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit
XS1872 & PNR-XS1872
<230V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
230V Single-Phase 60Hz
Total Capacity
Cooling
17,500
5.15
341 (580)
4.89
187 to 253
0.15
22
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
44 / 40 / 36
Flare Type
1/4 (6.35)
1/2 (12.7)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XS1872 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
12
Individual Unit
Body
(XS1872)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit
XS1872 & PNR-XS1872
<208V>
Type
Semi-Concealed Type Indoor Unit
Features
Electrical Rating Performance
Voltage Rating
208V Single-Phase 60Hz
Total Capacity
Cooling
17,500
5.15
341 (580)
4.89
187 to 253
0.16
22
BTU/h
kW
ft3/min (m3/h)
Pints/h
V
A
W
Air Circulation (High)
Moisture Removal (High)
Available Voltage Range
Running Amperes
Power Input
Controls / Temperature Control
Control Unit
Timer
Fan Speeds
Airflow Direction (Indoor)
Air Filter
Refrigerant
Operation Sound
Indoor : Hi/Me/Lo
Refrigerant Tubing Connections
Refrigerant
Narrow tube
Tube Diameter
Wide tube
Accessories
Wired Remote Controller (Option)
Microprocessor / I.C. Thermister
Wireless Remote Control Unit
24-Hour ON or OFF Timer, 1-Hour OFF Timer
Auto and 3 steps
Auto
Washable, Anti-Mold
R410A
44 / 40 / 36
Flare Type
1/4 (6.35)
1/2 (12.7)
Air Clean Filter
STK-RCS-7TWSUA
Indoor
Horizontal
Vertical
dB-A
inch (mm)
inch (mm)
Indoor Unit
(XS1872 & PNR-XS1872)
Dimensions & Weight (Indoor Unit)
Unit Dimensions
Package Dimensions
Weight
Shipping Volume
Height
Width
Depth
Height
Width
Depth
Net
Shipping
inch (mm)
inch (mm)
inch (mm)
inch (mm)
12-5/16 (313)
24-19/32 (625)
24-19/32 (625)
41.3 (18.7)
-
inch (mm)
inch (mm)
Ib. (kg)
Ib. (kg)
cu.ft (m3)
Remarks: Rating conditions are:
Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
13
Individual Unit
Body
(XS1872)
Panel
(PNR-XS1872)
11-5/32 (283)
1-9/16 (40)
22-5/8 (575) 24-19/32 (625)
22-5/8 (575) 24-19/32 (625)
11-13/32 (290) 4-1/8 (105)
24-13/16 (630) 26-3/16 (665)
28-1/8 (714) 26-11/16 (678)
35.3 (16)
6.0 (2.7)
41.9 (19)
7.7 (3.5)
4.59 (0.13)
1.65 (0.04)
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
2-2. Major Component Specifications
2-2-1. Indoor Unit
Indoor Unit (Body)
XMS0972
Control PCB
CB-XMS0972
Microprocessor
250V 3A
Part No.
Controls
Control Circuit Fuse
Remote Control Unit
Fan
RCS-7MHVPSW4U
Type
Q'ty ... Dia. and Length
Turbo
1 ... D12-5/8 / L5-3/4 (D322/L147)
inch (mm)
Fan Motor
Type
Model ... Q'ty
No. of Poles
Rough Measure RPM (Cool)
Rating
Voltage / Nominal Output
Coil Resistance
Ohm
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Over- Current Protection
Over- Heat Protection
Run Capacitor
Micro F
VAC
DC Motor
SIC-69FV-D866-1 ... 1
8
440
DC280V / 23W
Internal Controller
Yes
Yes
-
Drain Pump
Model ... Q'ty
Rating
Voltage, Hz
Input
Coil Resistance
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Open
PLD-12230ST-1 ... 1
AC208 to 240V, 60Hz
10.8
333 +/- 10%
W
Ohm
°F (°C)
Thermal Fuse
293 (145)
ft2 (m2)
Aluminum Plate Fin / Copper Tube
2
18.1
2.94 (0.273)
Heat Exchanger Coil
Coil
Rows
Fins per inch
Face Area
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit (Panel) PNR-XS1872
Flap Motor
Type
Model ... Q'ty
Rating
Coil Resistance
(Ambient Temp. 77 °F (25 °C))
Stepping Motor
MP24ZN-12V ... 2
DC 12V
Each Pair of Terminal : 380 +/- 7%
Ohm
14
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit (Body)
XMS1272
Control PCB
Part No.
Controls
Control Circuit Fuse
CB-XMS1272
Microprocessor
250V 3A
Remote Control Unit
Fan
RCS-7MHVPSW4U
Type
Q'ty ... Dia. and Length
Turbo
1 ... D12-5/8 / L5-3/4 (D322/L147)
inch (mm)
Fan Motor
Type
Model ... Q'ty
No. of Poles
Rough Measure RPM (Cool)
Rating
Voltage / Nominal Output
Coil Resistance
Ohm
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Over- Current Protection
Over- Heat Protection
Run Capacitor
Micro F
VAC
DC Motor
SIC-69FV-D866-1 ... 1
8
470
DC280V / 23W
Thermal Fuse
Yes
Yes
-
Drain Pump
Model ... Q'ty
Rating
Voltage, Hz
Input
Coil Resistance
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Open
PLD-12230ST-1 ... 1
AC208 to 240V, 60Hz
10.8
333 +/- 10%
W
Ohm
°F (°C)
Thermal Fuse
293 (145)
ft2 (m2)
Aluminum Plate Fin / Copper Tube
2
18.1
2.94 (0.273)
Heat Exchanger Coil
Coil
Rows
Fins per inch
Face Area
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit (Panel) PNR-XS1872
Flap Motor
Type
Model ... Q'ty
Rating
Coil Resistance
(Ambient Temp. 77 °F (25 °C))
Stepping Motor
MP24ZN-12V ... 2
DC 12V
Each Pair of Terminal : 380 +/- 7%
Ohm
15
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit (Body)
XS1872
Control PCB
Part No.
Controls
Control Circuit Fuse
CB-XS1872
Microprocessor
250V 3A
Remote Control Unit
Fan
RCS-7MHVPSW4U
Type
Q'ty ... Dia. and Length
Turbo
1 ... D12-5/8 / L5-3/4 (D322/L147)
inch (mm)
Fan Motor
Type
Model ... Q'ty
No. of Poles
Rough Measure RPM (Cool)
Rating
Voltage / Nominal Output
Coil Resistance
Ohm
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Over- Current Protection
Over- Heat Protection
Run Capacitor
Micro F
VAC
DC Motor
SIC-72FV-D866-1B ... 1
8
650
DC340V / 20W
Internal Controller
Yes
Yes
-
Drain Pump
Model ... Q'ty
Rating
Voltage, Hz
Input
Coil Resistance
(Ambient Temp. 68 °F (20 °C))
Safety Device
Type
Open
PLD-12230ST-1 ... 1
AC208 to 240V, 60Hz
10.8
333 +/- 10%
W
Ohm
°F (°C)
Thermal Fuse
293 (145)
ft2 (m2)
Aluminum Plate Fin / Copper Tube
2
18.1
2.94 (0.273)
Heat Exchanger Coil
Coil
Rows
Fins per inch
Face Area
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Indoor Unit (Panel) PNR-XS1872
Flap Motor
Type
Model ... Q'ty
Rating
Coil Resistance
(Ambient Temp. 77 °F (25 °C))
Stepping Motor
MP24ZN-12V ... 2
DC 12V
Each Pair of Terminal : 380 +/- 7%
Ohm
16
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
2-3. Other Component Specifications
Indoor Unit
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
XS1872 & PNR-XS1872
• Indoor air temp sensor
(Model:KTEC-35-S98)
• Indoor heat exchanger sensor
(Model:PT2M-51H-S3)
200
9
8
Resistance (k ohm)
Resistance (k ohm)
10
7
6
5
4
3
160
140
120
100
80
60
2
40
1
0
180
20
0
50
59 68 77 86 95 104
(10) (15) (20) (25) (30) (35) (40)
Temperature °F (°C)
17
32 50 68 86 104 122 140 158 176 194
(0) (10) (20) (30) (40) (50) (60) (70) (80) (90)
Temperature °F (°C)
7-23/32
1-27/32
1
2
3
4
5
6
7
8
1-3/32
2-3/32
Less than 31/32
22-5/8 (575)
25/32
7
2
2
1
2
Less than 31/32
Fresh air intake duct connection port (dia. 3-7/8")
Suspension bolt hole (4 - 1/2" x 1-1/8" hole)
Power supply port
Drain tube connection port VP20 (outer dia. 1")
Refrigerant tubing (gas tube) dia. 1/2" (flared)
Refrigerant tubing (liquid tube) dia. 1/4" (flared)
3-5/8
12-7/8
1-25/32
4-19/32
1-25/32
Discharge outlet
2-3/4
3
24-19/32 (625)
14-3/32 (358)
6
22-5/8 (575)
2-3/32 6-5/16 6-11/16
Center of
panel
23-5/8 (600)
Ceiling opening dimensions
21-1/32 (534)
Suspension bolt pitch
5
2
8-15/32
Air intake
1-9/32
5-9/16
1-3/16 (30)
11-5/32 (283)
A View
4-29/32
The length of the suspension
bolts should be selected so that
there is a gap of 1-3/16" or
the ceiling (21/32" or more
below the lower surface of the
main unit), as shown in the
figure at right. If the suspension
bolts is too long, it will contact
the ceiling panel and the unit
cannot be installed.
12-7/16
21-1/32 (534)
Suspension bolt pitch
23-5/8 (600)
Ceiling opening dimensions
13-5/32 (334)
18
24-19/32 (625)
7-11/16
8
Indoor Unit
3-1/8
21/32
A
3. DIMENSIONAL DATA
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
XS1872 & PNR-XS1872
Unit : inch (mm)
1-3/16
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
Indoor Unit
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
Indoor unit
Strainer
Heat exchanger
O.D. 3/8" (9.52 mm)
Cooling cycle
XS1872 & PNR-XS1872
Indoor unit
Heat exchanger
O.D. 1/2" (12.7 mm)
Strainer
Indoor Unit
O.D. 1/4" (6.35 mm)
O.D. 1/4" (6.35 mm)
19
Cooling cycle
2
3
20
WHT
RED
BLK
FERRITE
CORE
AC1 AC2 SI
FM
DP
1 3
1 3
DP
3P (BLU)
3P (RED)
BOX
1 2 3 4 5 6 7
1 2 3 4 5 6 7
PWM/POW 7P (RED)
SERIAL 1 1
2P (WHT) 2 2
GRN
RED
WHT
BRN
RED
ORG
YEL
PNK
BLU
VLT
BOX
1 2 3 4 5 6 7
1 2 3 4 5 6 7
PWM/POW 7P (RED)
1 1 SERIAL
2 2 2P (WHT)
IND LAMP ASSY
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
1 2 3 4
1 2 3 4
RC
4P (WHT)
FLAP (R)
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4 5
FLAP (W)
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
FLAP
5P (WHT)
CONTROLLER
1 2 3 4 5 6 7
1 2 3 4 5 6 7
IND
7P (WHT)
WHT
BLK
GRN
BRN
RED
ORG
YEL
PNK
BLU
VLT
DRAIN PUMP
GRN/YEL
CONTROLLER
1 2 3 4 5 6
1 2 3 4 5 6
DCM
6P (BLU)
6P (WHT)
RED
FAN MOTOR
BLK
WHT
YEL
BLU
BLK
ORG
BLU
BRN
WHT
TERMINAL BASE
YEL/(RED)
YEL/(RED)
GND
1
THERMISTOR
ROOM
8FA2-5250-46900-2
1 3
1 2
1 2
1 3
1 2
1 2
FS
ROOM COIL-1
3P (RED) 2P (YEL) 2P (RED)
BLK
BLK
BLK
WHT
BRN
BLU
ORG
BLK
ORG
BLU
BRN
WHT
FLOAT SWITCH
BLK
BLK
COIL-1
BLK
BLK
Indoor Unit
TO OUTDOOR UNIT
5. ELECTRICAL DATA
5-1. Electric Wiring Diagrams
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
XS1872 & PNR-XS1872
6. MAINTENANCE
6-1. Disassembly Procedure
To avoid electrical shock hazard, be sure to disconnect power before
attempting to disassemble the unit.
When a footstool, etc. is used for disassembling the indoor unit,
be careful not to fall down. If you fall down, you might be injured seriously.
Warning
6-1-1. Remove the air intake grill.
(1) Slide the 2 latches each to the corresponding arrow direction. (Fig. 1 and Fig. 2)
Open downward the air intake grill located on the latch side.
(2) Undo the air intake grill drop preventive hook. (Fig. 3)
Undo the 2 hinges for the grill and remove the air intake grill.
Latch
Hinge
Hook
Latch
Air intake grill
Hinge
Fig.1
Fig.2
Fig.3
6-1-2. Disconnect the connectors in the control box.
(1) Remove the 2 screws and remove the control box cover. (Fig. 4)
(2) Disconnect the connectors CN04 (FLAP 5P), CN12 (RC 4P) and CN13 (IND 7P). (Fig. 5)
CN04
CN13
Control PCboard
Screw
Control box cover
Fig.4
Fig.5
21
CN12
6-1-3. Remove the ceiling panel.
(1) Open the clamp (4 locations) and remove the 2 lead wires from the clamps. (Fig. 6)
(2) Remove the 4 screws fixing the corner cover (at 3 locations) and indicator cover (at 1 location). (Fig. 6)
(3) Press the center 1 of the cover and remove the cover with the section 2 pulled down. (Fig. 7)
(4) Remove the strap (3 locations) from the hook on the ceiling panel. (Fig. 8)
NOTE
There is no strap on the indicator cover.
(5) Remove the bolt (4 locations) with a washer and remove the ceiling panel. (Fig. 9)
Indicator
cover
Screw
Clamp
Corner cover
Lead wire
Pull down
section 2.
Cover
Clamp
Center 1
Corner cover
Screw
Fig.6
Corner cover
Fig.7
Bolt
Strap
Remove the strap
from the hook.
Bolt
Fig.8
Fig.9
22
6-1-4. Remove the indoor air temperature sensor.
(1) Disconnect the connector CN08 (ROOM 2P) in the control box and remove the indoor air temperature
sensor. (Fig. 10)
Indoor air temperature sensor
CN08
Fig.10
6-1-5. Remove the power box and control box.
(1) Remove a screw and remove the terminal cover. (Fig. 11)
(2) Remove the 2 screws and remove the power box cover. (Fig. 11)
(3) Disconnect the power lines (No. 1 and No. 2) / signal line (No. 3) and ground cable from the terminals in
the power box. (Fig. 12)
Terminal cover
Screw
Screw
Power box cover
Fig.11
1
Terminal
2
3
Ground cable
Power lines / Signal line
Fig.12
23
(4) Disconnect the connector CN07 (DP 2P) in the power box. (Fig. 13)
Remove a screw and disconnect the ground cable. (Fig. 13)
(5) Disconnect the connector CN03 (DCM 6P) in the power box. (Fig. 14)
(6) Remove the 4 screws and remove the power box. (Fig. 14)
(7) Disconnect the connectors CN06 (FS 3P) and CN09 (COIL-1 2P) in the control box. (Fig. 15)
(8) Remove the 2 screws and remove the control box. (Fig. 15)
Screw
Ground cable
1
2
3
CN07
Fig.13
Screw
Screw
Screw
CN03
Screw
Fig.14
CN09
Screw
Screw
Fig.15
24
CN06
NOTE
For the removal of the following components, perform any work after removing the indoor
unit (main body) from the ceiling.
Main body lower section
Heat exchanger sensor
Float switch
Drain pump
Turbo fan
Heat exchanger
Fan motor
1. Perform the work after draining the water to prevent the water leakage from the drain pan.
• Put a bucket, etc., under the drain cap and remove the drain cap to drain the water.
(Fig. 16)
2. Refer to the installation instructions for recovery of refrigerant or removal of the power
cable or tubing.
6-1-6. Remove the main body lower section.
(1) Remove the 4 screws. (Fig. 16)
(2) Remove the 2 screws. (Fig. 17)
(3) Disconnect the connector CN03 (DCM 6P) in the power box. (Fig. 18)
(4) Lift the main body lower section and remove it from the main body upper section.
Screw
Screw
Drain cap
Main body lower section
Main body lower section
Screw
Screw
Fig.16
Main body lower section
Main body
upper section
Screw
CN03
Fig.17
Fig.18
25
6-1-7. Remove the heat exchanger sensor.
(1) Remove the heat exchanger sensor from the sensor holder. (Fig. 19)
Heat exchanger sensor
Holder
Fig.19
6-1-8. Remove the drain pump and float switch.
(1) Remove the 2 screws (Fig. 20)
(2) Loosen the clamp and disconnect the drain hose from the drain pump. (Fig. 20)
(3) Remove the drain pump from the main body upper section. (Fig. 20)
(4) Remove a nut and remove the float switch. (Fig. 21)
Drain pump
Screw
Float switch
Nut
Drain hose
Clamp
Fig.20
Fig.21
26
6-1-9. Remove the turbo fan and fan motor.
(1) Remove a nut and remove the turbo fan. (Fig. 22)
(2) Remove the 2 screws and 3 nuts, and remove the fan motor. (Fig. 23)
Turbo fan
Screw
Nut
Nut
Fan motor
Fig.22
Fig.23
6-1-10. Remove the heat exchanger.
(1) Remove the 3 screws. (Fig. 24)
(2) Remove the 3 screws. (Fig. 25)
(3) Remove the heat exchanger from the main body upper section with the heat exchanger lifted.
Heat exchanger
Screw
Screw
Main body
upper section
Screw
Fig.24
Fig.25
27
7. FUNCTIONS
7-1. Operation Functions
Emergency operation
SENSOR DRY
Emergency operation is available when the remote
controller malfunctions, has been lost, or otherwise
cannot be used.
During DRY operation, the system adjusts the room
temperature and fan speed according to the conditions in the
room, in order to maintain a comfortable room environment.
SENSOR DRY operation
• DRY operation is as shown in the figure below.
To operate the system, press the OPERATION button,
which is also used as the receiver, below the unit display.
Each time this button is pressed, the OPERATION lamp
changes color to indicate the type of operation. Select the
desired type of operation.
COOL
(GREEN)
Load
STOP
COOL zone
(Lamp Off)
A zone
B zone
• The set temperature is 4°F(2°C) below the detected room
temperature in the case of cooling operation. The flap and
fan speed settings are AUTO.
Conditions are monitored at all
times when the room temperature
is below 59°F(15°C).
DRY A
The compressor operation frequency varies.
The indoor fan operates with 1/f fluctuation.
DRY B
The compressor operates at a low operating frequency.
The indoor fan operates with 1/f fluctuation.
Monitor
• Monitoring operation takes place when the room temperature
is below 59°F(15°C), or more than 5°F(3°C) below the set
temperature.
• When the monitoring range is entered, the compressor stops,
and the indoor fan operates with 1/f fluctuation.
PAM-
control
• In order to further improve inverter performance, control is
switched between PWM control at low operation speeds, and
PAM control at high operation speeds, making the most
effective use of power.
28
HIGH POWER
NIGHT SETBACK
This function acts to raise the power but keeps the AC system in
the same operating mode.
This function is set with the HIGH POWER button on the remote
controller.
(It can be set regardless of the temperature and fan speed
settings.)
When NIGHT SETBACK operation is set, the temperature and
fan speed settings will be adjusted automatically to allow
comfortable sleep.
When NIGHT SETBACK operation is set, " mark" appears on
the remote controller. The main unit display lamp also becomes
dimmer.
HIGH POWER operation from remote controller
The unit operates at maximum output for 30 minutes,
regardless of the desired temperature.
The fan speed is 1 step above "High."
COOL and DRY modes
When the night setback mode is selected, the air conditioner
automatically raises the temperature setting 2°F(1°C) when 30
minutes have passed after the selection was made, and then
another 2°F(1°C) after another 30 minutes have passed,
regardless of the indoor temperature when night setback was
selected. This enables you to save energy without sacrificing
comfort. This function is convenient when gentle cooling is
needed.
Frequency
MAX
NOTE
Setting
temperature
Time
0
30 min.
Start
5 min.
Press the NIGHT
SETBACK button
End
When HIGH POWER operation ends, the unit operates at low
Hz for 5 minutes, regardless of the thermostat OFF conditions.
When in DRY mode, operation is in the cooling zone.
Lamp colors
OPERATION lamp
DRY operation
COOL operation
FAN operation
DEFROSTING operation
OPERATION lamp
TIMER lamp
HIGH POWER lamp
Orange
Green
Green
Red and Orange
alternately
Green
Green
Green
Timer backup
Operation stops if there are no operator controls for 25 hours or
longer after unit operation switched from OFF to ON by use of
ON timer operation.
29
2°F(1°C)
2°F(1°C)
30 min.
30 min.
Time
7-2. Protective Functions
Freeze prevention
Indoor heat exchanger
temperature °F(°C)
During COOL or DRY operation, freezing is detected and
operation is stopped when the temperature of the indoor heat
exchanger matches the conditions below.
1. Freeze-prevention operation is engaged when the
temperature of the indoor heat exchanger is below 43°F(6°C).
2. Restart after freeze-prevention operation occurs when the
temperature of the indoor heat exchanger reaches 46°F(8°C)
or above.
C
46
(8)
A
43
(6)
36
(2)
B
*
a
b
c
d
a. Area: Automatic capacity control
b. When the temperature drops below Point A, the operation
frequency is reduced by a certain proportion.
c. Area: Frequency increase is prohibited.
d. When the temperature reaches Point C or above, freezing
prevention is ended and control is the same as in the a area.
*
When the temperature drops to below 36°F(2°C)
(continuously for 2 minutes or longer), the compressor stops.
Once the freeze condition is detected, the air conditioner will
work less than the maximum frequency until it is turned off.
30
8. TROUBLESHOOTING
8-1. Precautions before Performing Inspection or Repair
After checking the self-diagnostics monitor, turn the power OFF before starting inspection or repair.
High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). They retain an electrical charge
(charging voltage DC 310V) even after the power is turned OFF, and some time is required for the charge to dissipate. Be
careful not to touch any electrified parts before the controller LED (red) turns OFF.
If the outdoor controller is normal, approximately 30 seconds will be required for the charge to dissipate. However, allow
at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller.
8-2. Method of Self-Diagnostics
< Clock display >
Follow the procedure below to perform detailed trouble diagnostics.
Test run mode
Self-diagnostics mode
NOTE
1: If the operation lamp blinks every 0.5 seconds immediately when the
power is turned ON, there is an external ROM (OTP data) failure on the
indoor circuit board, or a ROM socket insertion problem, or the ROM
has not been installed.
2: The failure mode is stored in memory even when the power is not ON.
Follow the procedure below to perform diagnostics.
PROCEDURE
ON/OFF
operation
button
After turning on power to the air conditioner, use the remote controller and
follow the steps below to execute self-diagnostics.
Step 1: Press and hold the remote controller HIGH POWER button and 1
HR TIMER button. Then, press and hold the ACL (reset) button
with a pointed object such as the tip of a pen. After 5 seconds,
release ACL button first, then release HIGH POWER and 1 HR
TIMER buttons, "oP-1" (test run) appears, blinking in the remote
controller clock display area.
Step 2: Next, press the 1 HR TIMER button once to change the display
from "oP-1" to "oP-3" (self-diagnostics). (The display continues to
blink.)
Step 3: Finally press the ON/OFF button to engage self-diagnostics mode.
• The self-diagnostics function utilizes the 3 indicator lamps on the main
unit, in combinations of ON lamps, blinking lamps, and OFF lamps, to
report the existence of sensor trouble or a protective operation. (The
lamps blink or remain ON for 5 seconds, then turn OFF for 2 seconds.)
Self-diagnostics is completed when the buzzer sounds 3 short beeps.
• A maximum of 3 self-diagnostics reports are displayed, for 5 seconds
each, beginning with the most recent report. Following this display the
lamps turn OFF. In order to view the self-diagnostics results again,
press the ON/OFF button again.
• The 3 lamps remain OFF if no trouble has occurred.
<IMPORTANT> After self-diagnostics is completed, be sure to press the
ACL (reset) button to return to normal mode. The air
conditioner will not operate if this is not done.
31
HIGH POWER
button
1HR.
TIMER
button
ACL
(Reset)
button
(1) Self-diagnostics Lamps
INDOOR UNIT
OPERATION button
OPERATION lamp
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
Since the indications cover various units, the corresponding parts listed below may not be present in some models.
.... OFF
Indication on indoor unit
OPERATION
Timer
HIGH POWER
Code
Diagnostics items
.... ON (Illuminated)
Diagnostics contents
S01
Room temperature sensor failure
S02
Indoor heat exchanger sensor failure
S04
Compressor temperature sensor failure
S05
Outdoor heat exchanger sensor failure
S06
Outdoor air temperature sensor failure
S07
Outdoor electrical current detection
failure
E01
Indoor/outdoor communications failure
(serial communications)
(1) Mis-wiring (2) AC power failure (3) Blown fuse (4) Power Relay failure
(5) Indoor or outdoor PCboard failure (6) Outdoor Fan Motor failure (7) Reactor failure
(8) High-Pressure Switch failure (9) Overload Relay failure (10) Magnetic Coil failure
* See detailed flowchart in this section.
E02
• HIC circuit failure
• Power Tr (transistor) circuit failure
(1) HIC or power Tr failure (2) Outdoor fan does not turn. (3) Instantaneous power outage
(4) Service valve not opened. (5) Outdoor fan blocked. (6) Continuous overload operation
(7) Compressor failure (8) Outdoor PCboard failure
E03
Outdoor unit external ROM (OTP data)
failure
(1) External ROM data failure (2) Outdoor PCboard failure
E04
Peak current cut-off
E05
(1) Sensor open circuit or short circuit
(2) Contact failure at connector or open circuit at terminal crimping location
(3) Indoor/outdoor PCboard failure
(1) Sensor open circuit or short circuit
(2) Contact failure at connector or open circuit at terminal crimping location
(3) Outdoor PCboard failure
Outdoor PCboard failure
PAM circuit failure
Active circuit failure
(1) Instantaneous power outage (2) HIC or power transistor failure
(3) Outdoor PCboard failure
(1) Outdoor PCboard failure (2) Outdoor power supply voltage failure
E06
Compressor discharge overheat
prevention activated.
(1) Electric expansion valve failure (2) Capillaries choked (3) Shortage of refrigerant
(4) Continuous overload operation (5) Outdoor fan does not rotate (6) Outdoor PCboard failure
E07
Indoor fan operating failure
(1) Fan motor failure (2) Contact failure at connector (3) Indoor PCboard failure
E08
TIMER
LAMP
.... Blinking
4-way valve switching failure
Indoor zero-cross failure
(1) 4-way valve failure (heat pump model only)
(2) Outdoor PCboard failure
E09
No-refrigerant protection
(1) Service valve not opened. (2) Shortage of refrigerant
E10
DC compressor drive circuit failure
(1) Open phase (2) Outdoor PCboard failure
E11
Outdoor fan operating failure
(1) Fan motor failure (2) Contact failure at connector (3) Outdoor PCboard failure
E12
Outdoor system communications failure
OLR operation
Outdoor power supply open phase
Outdoor coil freezing
E13
Freeze-prevention operation activated.
(1) Indoor fan system failure (2) Shortage of refrigerant (3) Low-temperature operation
BLINKING (3 SEC. INTERVAL)
FLOAT SWICTH (FS) IS ACTIVED.
(1) DRAIN PUMP FAILURE (2) FS FAILURE (3) CHOKED DRAIN HOSE
32
(1) Mis-wiring (2) Blown fuse (3) Power Relay failure (4) Outdoor PCboard failure
(5) Compressor failure
* See detailed flowchart in this section.
(2) If the self-diagnostics function fails to operate
Check the indoor unit.
• No indicators illuminate and the
indoor fan does not rotate.
• Check the power voltage.
Blown
Is the fuse blown?
Normal
Replace the circuit
board or the fuse.
Replace the controller.
8-3. Checking the Indoor and Outdoor Units
(1) Checking the indoor unit
No.
1
Control
Use the remote controller to operate the
unit in "TEST run" mode. To determine
whether the mode is currently in
"TEST run" mode, check the 3 indicator
lamps on the unit. If all 3 are blinking,
the current mode is "TEST run."
Check items (unit operation)
• The rated voltage must be present between inter-unit wirings 1 and 2.
• Connect a 5 k ohm resistor between inter-unit wirings 2 and 3. When the
voltage at both ends is measured, approximately 12 to 15V DC must
be output and the multimeter pointer must bounce once every 8
seconds.
Or instead of measuring the voltage, you can insert an LED jig and
check that the LED flickers once every 8 seconds.
If there are no problems with the above, then check the outdoor unit.
For the "Test run" procedure, refer to the Appendix B "Installation Instructions".
(2) Checking the outdoor unit
No.
Control
Check items (unit operation)
1
Apply the rated voltage between outdoor
unit terminals L and N.
• The control panel LED (red) must illuminate.
2
Short-circuit the outdoor unit COM terminal
to the T-RUN terminal.
• The compressor, fan motor and 4-way valve must all turn on.
If there are no problems with the above, then check the indoor unit.
TEST/T-RUN terminals
Using the TEST/T-RUN terminals
T-RUN
: Test run (compressor and fan motor turn ON).
TEST/MV : Compresses time to 1/60th (accelerates
operation by 60 times faster than normal).
(TEST)/MV T-RUN
33
COM
(3) Serial Communication Error Identification Procedure
If the lamps on the main body show the following conditions after the completion of self-diagnostics,
a communication error between the indoor unit and outdoor unit might be considered.
In such a case, identify the breakdown section by using the following procedure.
Refer to "Method of Self-Diagnostics" for the self-diagnostics procedure.
NOTE
Lamp Operation
Timer
High Power
: Off
: Blinking
Condition
: Illuminated
E01
E12
< Before the Operation >
Warning
For terminal strip short circuit work or inter-unit wiring removal, turn off the power
to avoid an electric shock.
Release the terminal strip short circuit after the completion of self-diagnostics.
Caution
Do not perform the short-circuit work between any other terminals except for
specified ones on the specified terminal strip. If such work is performed between
the incorrect terminals, the unit might be broken.
< Convenient Tool for Short-Circuit Work ( for example ) >
Cable
Alligator Clip
Prohibit
Alligator Clip
< Check Items before Troubleshooting Serial Communication Start >
After confirming that the following errors do not exist, start the "Troubleshooting Serial Communication"
in "Condition: E01 and E12".
1.
2.
3.
4.
5.
6. Reactor failure (defective insulation, etc.)
7. High-Pressure Switch failure
8. Overload Relay failure
9. Magnetic Coil failure (defective insulation, short-circuit, etc.)
10. Compressor failure (defective insulation, etc.)
Mis -wiring (inter-unit cable, etc.)
AC power failure
Blown fuse
Power Relay failure
Outdoor Fan Motor failure (defective insulation, etc.)
(3-1) Condition: E01
-
Troubleshooting Serial Communication
1
V
2
+
Outdoor Unit
Outdoor Unit
3
4
5
2
Fig. 1
No
3
1
2
3
4
-
V
+
1. Turn OFF the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2. Disconnect the cable from the terminal 3 on the indoor unit
terminal strip.
(Fig. 2)
3. Turn ON the power.
B
( Continued to the next page B. )
34
6
Fig. 2
Yes
A
( Continued to the next page A. )
5
Power
Indoor Unit
3
Indoor Unit
Is the voltage of about DC12V
or more given between the terminals
2 and 3 on the outdoor unit terminal strip
(Serial Communication Line) ?
(Fig. 1)
2
6
Power
1
1
( Continued from the previous page A. )
A
( Continued from the previous page B. )
B
Is the voltage of about DC22V to
24V given between the terminals
2 and 3 on the indoor unit terminal strip
(Serial Communication Line) ?
(Fig. 2)
Yes
No
Defect in the indoor unit
P.C. board
Defect or connection error
in the inter-unit cable
Outdoor Unit
1. Turn OFF the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2. Short-circuit between the terminals 2 and 3 on the outdoor
unit terminal strip.
(Fig. 3)
1
2
4
5
6
Power
1
2
3
Indoor Unit
1. Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2. Perform the self-diagnosis five seconds after the operation
start.
What is the latest self-diagnosis result ?
3
Fig. 3
Condition: E12
Defect in the outdoor unit
P.C. board.
Condition: E01
1. Turn off the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2. Remove the short-circuit between the terminals 2 and 3 on
the outdoor unit terminal strip.
3. Disconnect the cable from the terminal 3 on the indoor unit
terminal strip.
(Fig. 4)
Outdoor Unit
Outdoor Unit
1
2
3
4
5
6
1
3
4
Power
1
2
3
Indoor Unit
1
Condition: E01
Defect in the indoor unit
P.C. board
35
2
3
Indoor Unit
1. Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2. Perform the self-diagnosis five seconds after the operation
start.
Condition: E12
5
6
Power
Fig. 4
Short-circuit between the terminals 2 and 3 on the indoor unit
terminal board.
(Fig. 5)
What is the latest self-diagnosis result ?
2
Defect or connection error
in the inter-unit cable
Fig. 5
(3-2) Condition: E12
Troubleshooting Serial Communication
Outdoor Unit
1
2
3
4
5
6
Power
1. Turn off the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2. Disconnect the cable from the terminal 3 on the Outdoor
unit terminal strip.
(Fig. 6)
1
2
3
Indoor Unit
Fig. 6
1. Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2. Perform the self-diagnosis five seconds after the operation
start.
What is the latest self-diagnosis result ?
Condition: E01
Defect in the outdoor unit
P.C. board
Condition: E12
Outdoor Unit
1
1. Turn off the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2. Disconnect the cable from the terminal 3 on the indoor
unit terminal strip.
(Fig. 7)
3
4
5
6
Power
1
2
3
Indoor Unit
Fig. 7
1. Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2. Perform the self-diagnosis five seconds after the operation
start.
What is the latest self-diagnosis result ?
2
Condition: E01
Condition: E12
Defect in the indoor unit
P.C. board
36
Defect in the inter-unit
cable
8-4. Trouble Diagnosis of Fan Motor
8-4-1. Indoor Fan Motor
This indoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil
resistance, and the following procedure should be used to check the motor.
To perform diagnosis, operate the unit in cooling mode with indoor fan speed "High". Next, make sure that the
indoor unit receive the signals from the remote controller when the ON/OFF operation button is pressed.
Important: (A) Turn OFF the power before connecting or disconnecting the motor connectors.
(B) When performing voltage measurement at the indoor controller connector for (3) in the table
below, the DC motor will trip and voltage output will stop approximately 1 minute after operation
is started. For this reason, to measure the voltage again, turn OFF the unit once using the
remote controller, and then start the air conditioner again.
[Trouble symptom 1] The fan does not stop when the unit stops.
Indoor unit controller trouble.
[Trouble symptom 2] The fan motor does not rotate when the unit is operating.
(Diagnostic procedure)
* Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor
unit controller (3 locations).
Measurement location
(1) Vm-Gnd: Between pin 1 and pin 3
(2) Vcc-Gnd: Between pin 4 and pin 3
(3) Vs-Gnd: Between pin 5 and pin 3
Normal value
DC 280V to 340V
DC 15V +/- 10%
Fluctuation between DC 1.8V to 5.7V
(Diagnostic results)
All of the above measured values are normal. Fan motor trouble (Replace the motor.)
Any one of the above measured values is not normal. Indoor unit controller trouble (Replace the controller .)
(Reference)
DC motor connector pin arrangement
Pin 1: Vm (red)
Pin 2: Not used
Pin 3: Gnd (black)
Pin 4: Vcc (white)
Pin 5: Vs (yellow)
Pin 6: PG (blue)
[Trouble symptom 3] Motor rotates for some time (several seconds), but then quickly stops, when the indoor
unit operates.
(There is trouble in the system that provides feedback of motor rotation speed from the
motor to the indoor unit controller.)
[Trouble symptom 4] Fan motor rotation speed does not change during indoor unit operation.
[Trouble symptom 5] Fan motor rotation speed varies excessively during indoor unit operation.
(Remedy for symptom 3 to 5)
It is not possible to identify whether the trouble is indoor unit controller trouble or motor trouble.
Therefore, first replace the indoor unit controller, then (if necessary) replace the DC motor.
37
8-5. Noise Malfunction and Electromagnetic Interference
An inverter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptible to the effects of external
noise, and is likely to cause electromagnetic interference with nearby wireless devices.
A noise filter is installed for ordinary use, preventing these problems. However, depending on the installation conditions, these
effects may still occur. Please pay attention to the points listed below.
(1) Noise malfunction
This refers to the application of high-frequency noise to the signal wires, resulting in abnormal signal pulses and malfunction.
Locations most susceptible to noise
1. Locations near broadcast stations where
there are strong electromagnetic waves
2. Locations near amateur radio (short wave)
stations
3. Locations near electronic sewing machines
and arc-welding machines
Trouble
Either of the following trouble may occur.
1. The unit may stop suddenly during
operation.
2. Indicator lamps may flicker.
Correction
(The fundamental concept is to make the
system less susceptible to noise.)
- Insulate for noise or
distance from the noise source. 1. Use shielded wires.
2. Move unit away from the noise source.
(2) Electromagnetic interference
This refers to noise generated by high-speed switching of the microcomputer and compressor. This noise radiates through
space and returns to the electric wiring, affecting any wireless devices (televisions, radios, etc.) located nearby.
Locations most susceptible to noise
1. A television or radio is located near the
A/C and A/C wiring.
2. The antenna cable for a television or
radio is located close to the A/C and A/C
wiring.
3. Locations where television and radio
signals are weak.
Trouble
Correction
1. Noise appears in the television picture, 1. Select a separate power source.
or the picture is distorted.
2. Keep the A/C and A/C wiring at least 1 meter
2. Static occurs in the radio sound.
away from wireless devices and antenna cables.
3. Change the wireless device’s antenna to a highsensitivity antenna.
4. Change the antenna cable to a BS coaxial cable.
5. Use a noise filter (for the wireless device).
6. Use a signal booster.
38
APPENDIX A INSTRUCTION MANUAL
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
(OI-852-6-4181-141-00-0)
A-1
00_XMS1272_Cover.fm Page 1 Friday, May 22, 2009 11:20 AM
XMS0972
XMS1272
COOL/DRY Model
INSTRUCTION MANUAL
Inverter-Controlled Split System Air Conditioner
MODE D’EMPLOI
Climatiseur de type séparé contrôlé par inverseur
This air conditioner uses
the new refrigerant R410A.
Save These Instructions!
Conserver ce mode d’emploi
Pub.
OI-85264181141000
© SANYO 2009
01_XMS1272_EN.fm Page 2 Tuesday, June 9, 2009 6:52 PM
FEATURES
This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below;
refer to these descriptions when using the air conditioner.
• Microprocessor Controlled Operation
The interior compartment of the remote control unit
contains several features to facilitate automatic operation,
easy logically displayed for easy use.
• Simple One-touch Wireless Remote Control
The remote control unit has several features to facilitate
automatic operation.
• 24-Hour ON or OFF Timer
This timer can be set to automatically turn the unit on or off
at any time within a 24 hour period.
• 1-Hour OFF Timer
This timer can be set to automatically turn off the unit at
any time after one hour.
• Night Setback
This function saves energy by controlling operation to
provide a quieter operating sound than normal.
• Automatic and 3-step Fan Speed
Auto/High/Medium/Low
• Air Sweep Control
This function moves a flap up and down in the air outlet,
directing air in a sweeping motion around the room and
providing comfort in every corner.
• Auto. Flap Control
This automatically sets the flap to the optimum position
during cooling and drying operation.
• Automatic Restart Function for Power Failure
Even when power failure occurs, preset programmed
operation can be reactivated once power resumes.
• High Power Operation
The unit operates at maximum output for 30 minutes,
regardless of the desired temperature.
The fan speed is 1 step above “High”.
CONTENTS
Page
FEATURES ......................................................................................................................................... 2
PRODUCT INFORMATION ................................................................................................................ 3
ALERT SYMBOLS .............................................................................................................................. 3
INSTALLATION LOCATION ................................................................................................................ 3
ELECTRICAL REQUIREMENTS........................................................................................................ 3
SAFETY INSTRUCTIONS .................................................................................................................. 3
NAMES OF PARTS............................................................................................................................. 4
USING THE REMOTE CONTROL UNIT ............................................................................................ 8
OPERATION WITH THE REMOTE CONTROL UNIT ........................................................................ 9
1. Operation............................................................................................................................. 9
2. Adjusting the Fan Speed ..................................................................................................... 9
3. Fan Only .............................................................................................................................. 9
4. Night Setback Mode .......................................................................................................... 10
5. HIGH POWER Mode ......................................................................................................... 10
SPECIAL REMARKS........................................................................................................................ 10
SETTING THE TIMER...................................................................................................................... 10
USING THE 1-HOUR OFF TIMER ................................................................................................... 12
TIPS FOR ENERGY SAVING........................................................................................................... 12
ADJUSTING THE AIRFLOW DIRECTION ....................................................................................... 12
OPERATION WITHOUT THE REMOTE CONTROL UNIT ............................................................... 13
CARE AND CLEANING.................................................................................................................... 13
TROUBLESHOOTING...................................................................................................................... 15
OPERATING RANGE ....................................................................................................................... 15
WIRED REMOTE CONTROLLER .................................................................................................... 15
2
OI-141-2-EG
01_XMS1272_EN.fm Page 3 Tuesday, June 9, 2009 6:52 PM
PRODUCT INFORMATION
If you have problems or questions concerning your Air
Conditioner, you will need the following information. Model
and serial numbers are on the nameplate on the bottom of
the cabinet.
Model No. __________________________________
Serial No. ___________________________________
Date of purchase _____________________________
Dealer’s address _____________________________
Phone number ________________
ALERT SYMBOLS
The following symbols used in this manual, alert you
to potentially dangerous conditions to users, service
personnel or the appliance:
ELECTRICAL
REQUIREMENTS
1. All wiring must conform to the local electrical codes.
Consult your dealer or a qualified electrician for details.
2. Each unit must be properly grounded with a ground (or
earth) wire or through the supply wiring.
3. Wiring must be done by a qualified electrician.
SAFETY INSTRUCTIONS
• Read this Instruction Manual carefully before using
this air conditioner. If you still have any difficulties
or problems, consult your dealer for help.
• This air conditioner is designed to give you
comfortable room conditions. Use this only for its
intended purpose as described in this Instruction
Manual.
• Never use or store gasoline or other
flammable vapor or liquid near the air
conditioner — it is very dangerous.
• This air conditioner has no ventilator
for intaking fresh air from outdoors.
You must open doors or windows
frequently when you use gas or oil
heating appliances in the same room,
which consume a lot of oxygen from
the air. Otherwise there is a risk of
suffocation in an extreme case.
This symbol refers to a hazard or unsafe
practice which can result in severe
personal injury or death.
CAUTION
This symbol refers to a hazard or unsafe
practice which can result in personal
injury or product or property damage.
INSTALLATION LOCATION
• We recommend that this air conditioner be installed
properly by qualified installation technicians in
accordance with the Installation Instructions
provided with the unit.
• Before installation, check that the voltage of the electric
supply in your home or office is the same as the voltage
shown on the nameplate.
• Do not install this air conditioner
where there are fumes or flammable
gases, or in an extremely humid space
such as a greenhouse.
• Do not install the air conditioner where
excessively high heat-generating
objects are placed.
CAUTION
• Do not turn the air conditioner on and
off from the power mains switch. Use
the ON/OFF operation button.
• Do not stick anything into the air outlet
of the outdoor unit. This is dangerous
because the fan is rotating at high
speed.
• Do not let children play with the air
conditioner.
• Do not cool the room too much if
babies or invalids are present.
Avoid:
To protect the air conditioner from heavy corrosion, avoid installing
the outdoor unit where salty sea water can splash directly onto it or
in sulphurous air near a spa.
OI-141-3-EG
3
01_XMS1272_EN.fm Page 4 Tuesday, June 9, 2009 6:52 PM
NAMES OF PARTS
UNIT DISPLAY AND OPERATION
BUTTON
INDOOR UNIT
INDOOR UNIT
Air intakes
OPERATION button
OPERATION lamp
Air outlet
(4 locations)
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
Remote control unit
IMPORTANT
Refrigerant tubes
OUTDOOR UNIT
Drain hose
Avoid using radio equipment such as mobile phone near (within
4 ft. (1.2 m)) the remote control receiver. Some radio equipment
may cause malfunction of the unit.
If the trouble happens, disconnect power and restart the air
conditioner after a few minutes.
Air outlet
REMOTE
CONTROL
receiver
This section picks up infrared signals from the
remote control unit (transmitter).
OPERATION
button
When the remote control unit cannot be used,
pressing this button enables cooling operation.
Each time this button is pressed, the operation
mode changes cyclically.
NOTE
Cooling operation
Stop
This illustration is based on the external view of a standard model.
Consequently, the shape may differ from that of the air conditioner
which you have selected.
This air conditioner consists of an indoor unit and an outdoor unit.
You can control the air conditioner with the remote control unit.
OPERATION
lamp
This lamp lights when the system is in the
continuous DRY (orange), COOL (green) and
FAN (green) mode.
Air Intake
Air from the room is drawn into this section and
passes through air filters which remove dust.
TIMER lamp
This lamp lights when the system is being
controlled by the timer.
Air Outlet
Conditioned air is blown out of the air
conditioner through the air outlet.
HIGH POWER
lamp
This lamp lights during operation in the HIGH
POWER mode.
Remote
Control Unit
The wireless remote control unit controls power
ON/OFF, operation mode selection,
temperature, fan speed, timer setting, and air
sweeping.
Refrigerant
Tubes
The indoor and outdoor units are connected by
copper tubes through which refrigerant gas
flows.
Drain Hose
Moisture in the room condenses and drains off
through this hose.
NOTE
The unit’s display lamps are dimmed during operation in the NIGHT
SETBACK mode.
The outdoor unit contains the compressor, fan
Outdoor
(Condensing) motor, heat exchanger coil, and other electrical
components.
Unit
4
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01_XMS1272_EN.fm Page 5 Tuesday, June 9, 2009 6:52 PM
REMOTE CONTROL UNIT (DISPLAY)
Displayed when transmitting data
Displayed when indoor unit sensor is
in use
Displayed when setting temperature
Displayed when temperature is shown
Displayed when setting timer
Displayed when the time
display is set to 12-hour
time.
Symbols
(1) Operation mode
(4) Timer
MILD DRY ..............................
24-hour clock with ON/OFF
program Timer .......................
COOL .....................................
ON Timer. ..............................
FAN ........................................
OFF Timer. ............................
(2) Fan speed
1-hour OFF Timer. .................
Automatic operation ...............
(5) NIGHT SETBACK..................
HIGH .....................................
MEDIUM.................................
(6) Confirmation
of transmission.......................
LOW .......................................
(7) Auto. flap indication................
(3) Temperature setting
60 – 86 °F
When set to 80 °F
temperature indication............
Flap angle indication..............
Sweep indication....................
(8) High power operation.............
OI-141-5-EG
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01_XMS1272_EN.fm Page 6 Tuesday, June 9, 2009 6:52 PM
REMOTE CONTROL UNIT
Transmitter
When you press the buttons on the remote control unit, the
mark
appears in the display to transmit the setting changes to the receiver
in the air conditioner.
Display
Information on the operating conditions is displayed while the remote
control unit is switched on. If the unit is turned off, FLAP setting and
FAN SPEED setting are not displayed.
HIGH POWER button
: If this button is pressed during DRY, COOL or FAN operation, the unit
operates at maximum output for 30 minutes, regardless of the
desired temperature.
The fan speed is 1step above ‘‘HIGH’’.
FAN SPEED selector button
: The air conditioner automatically decides the fan speeds.
: High fan speed
: Medium fan speed
: Low fan speed
FLAP button
Press this button either to select the setting of the airflow direction to the auto.
flap in each mode or one of the six possible positions manually or to select the
sweep function which moves the flap up and down automatically.
: Auto flap setting: If selected in a cooling or dry operation, the flap is set
at position (7) in the following chart.
: The airflow direction can be set manually. (six positions)
: The flap moves up and down automatically.
NOTE
When you press the FLAP button, the air flow direction will be changed one by
one as follows.
SWEEP
ON TIME/OFF TIME setting buttons
Advance button
Return button
No display: The timer does not operate.
: The air conditioner starts at the set time.
: The air conditioner stops at the set time.
: The air conditioner stops and starts, or starts and
stops, at the set times every day. For details, see
“SETTING THE TIMER”.
CANCEL button
SENSOR button
When you press this button (use a small-tipped object such as a ballpoint
pen), the
mark will appear at the display. And the room temperature is
detected by the sensor which is built into the indoor unit and the air
conditioner is controlled accordingly.
NOTE
If the remote control unit is located near a heat source, such as a space
heater or in direct sunlight, press the SENSOR button to switch to the
sensor on the indoor unit.
ADDRESS switch
• The address switch changes to prevent mixing of signals from remote control units
when two air conditioners are installed next to each other. Normally, the address switch
is set to A. For more information, please contact the dealer where you made the
purchase.
• Normally, the tabs on the remote control unit should not be bent.
6
Temperature display selector button
This switches the temperature display
between °C and °F.
OI-141-6-EG
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Sensor
A temperature sensor inside the remote control unit senses the room
temperature.
ON/OFF operation button
This button is for turning the air conditioner on and off.
1 HR. TIMER button (1-HOUR OFF TIMER)
: When you press this button, regardless of whether the unit is operating
or stopping, the unit operates for one hour and then shuts down.
Temperature setting buttons (TEMP.)
Press the
button to increase the set temperature.
Press the
button to reduce the set temperature.
The temperature setting changes by 1 °C or 2 °F each time one of the TEMP.
buttons is pressed.
MODE selector button
Use this button to select DRY, COOL or FAN mode.
(DRY)
: The air conditioner reduces the humidity in the room.
(COOL)
: The air conditioner makes the room cooler.
(FAN)
: The air conditioner works only as a circulation fan.
NIGHT SETBACK button
For details, see “4. Night Setback Mode”. When you press this button in the
DRY or COOL mode, the
mark appears in the display, and the remote
control unit will automatically adjust the set temperature to save energy.
CLOCK button
Time display selector button
This switches the time display between 24-hour time and 12-hour time.
ACL button (ALL CLEAR)
Puts the remote control unit into pre-operation status. Always press this button
after replacing the batteries.
NOTE
(Cover closed)
• The illustration above pictures the remote control unit after the cover has been opened.
• The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals. If the signal from the
remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble, the air conditioner will
switch to the temperature sensor which is built into the indoor unit and control the room temperature. In these cases, the
temperature around the remote control unit may differ from the temperature detected at the air conditioner’s position.
• The indoor fan runs continuously when the system is in normal operation. It does not turn off when the desired room temperature is
reached. If Night Set Back mode is selected, the fan will turn off intermittently during cooling operation in order to control air flow.
OI-141-7-EG
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USING THE REMOTE CONTROL UNIT
HOW TO INSTALL BATTERIES
REMOTE CONTROL UNIT INSTALLATION
POSITION
The remote control unit may be operated either from a non-fixed
position or from a wall-mounted position. To ensure that the air
conditioner operates correctly, DO NOT install the remote control
unit in the following places:
DO NOT
• In direct sunlight
• Behind a curtain or other places where it is covered
• More than 26 ft.(8 m) away from the air conditioner
• In the path of the air conditioner’s airstream
• Where it may become extremely hot or cold
• Where it may be subject to electrical or magnetic noise
• Where there is an obstacle between the remote control unit and air
conditioner (since a check signal is sent from the remote control
unit every 5 minutes)
ACL button
MOUNTING THE REMOTE CONTROL UNIT
1. Slide the cover in the direction indicated by the arrow and remove
it.
2. Install two AAA alkaline batteries. Make sure the batteries point in
Before mounting the remote control unit, press the ON/OFF
operation button at the mounting location to make sure that the air
conditioner operates from that location. The indoor unit should make
a beeping sound to indicate that it has received the signal.
the direction marked in the battery compartment.
3. Use a thin object such as the tip of a pen to press the ACL button.
NOTE
Remote control unit mount
• The batteries last about six months, depending on how much
you use the remote control unit. Replace the batteries when
the remote control unit’s display fails to light, or when the
remote control unit cannot be used to change the air
conditioner’s settings.
• Use two fresh leak-proof type-AAA alkaline batteries.
• In replacing batteries, follow the instructions as mentioned in
the subsection “HOW TO INSTALL BATTERIES”.
• If you do not use the remote control unit more than 1 month,
take out the batteries.
• Dispose of the used batteries at the designated location in
compliance with the applicable local ordinances.
HOW TO USE THE REMOTE CONTROL UNIT
When using the remote control unit, always point the unit’s
transmitter head directly at the air conditioner’s receiver.
Press
Set in
place
Mounting screws
5/32 x 5/8"
(4 x 16 mm)
(included)
Hole
• To prevent loss of the remote control
unit, you can connect the remote
control unit to the mount by passing
a string through the remote control
unit and attachment hole.
To take out the remote control unit, pull it forward.
Air conditioner
(Indoor unit)
WHEN HOLDING THE REMOTE CONTROL UNIT
Receiver
Remote control
unit
8
Rear side
• When using the remote control unit and during air conditioner
operation, the transmitter on the remote control unit should be
pointed towards the receiver on the indoor unit.
• Make sure that there are no objects between the remote control
unit and receiver which could block the signal.
(Transmitter
head)
OI-141-8-EG
01_XMS1272_EN.fm Page 9 Tuesday, June 9, 2009 6:52 PM
OPERATION WITH THE REMOTE CONTROL UNIT
1. Operation
2. Adjusting the Fan Speed
A. Automatic fan speed
Simply set the FAN SPEED selector button to the
position.
This automatically sets the best fan speed for the room
temperature.
B. Manual fan speed
STEP 2
STEP 3
If you want to adjust fan speed manually during operation,
just set the FAN SPEED selector button as desired. [
,
, or
]
3. Fan Only
STEP 2
STEP 1
STEP 4
STEP 5
NOTE
Check that the circuit breaker on the power panel is
turned on.
STEP 3
STEP 1
Press the setting buttons as described below and
change the settings as desired.
STEP 1
STEP 2
STEP 3
Press the MODE selector button
and select the desired mode.
For dehumidifying operation
→
For cooling operation
→
For fan only operation
→
To start the air conditioner, press the ON/
OFF operation button.
Press the TEMP. setting buttons to change
the temperature setting to the desired
temperature.
Adjustable temperature range:
30 °C max.
16 °C min.
or
If you want to circulate air without any temperature
control, follow these steps:
STEP 1
Press the MODE selector button to switch to
the fan mode
.
STEP 2
Press the ON/OFF operation button.
STEP 3
Press the FAN SPEED selector button to
select the fan speed of your choice (
,
or
).
86 °F max.
60 °F min.
STEP 4
Set the FAN SPEED selector button to the
setting you want.
STEP 5
Press the FLAP button and set the airflow
direction as desired.
(Refer to “ADJUSTING THE AIRFLOW
DIRECTION” on page 12.)
To stop the air conditioner, press the ON/OFF
operation button again.
NOTE
OI-141-9-EG
• Choose the best position in the room for the remote
control unit, which also acts as the sensor for room
comfort and transmits the operating instructions.
Once you’ve found this best position, always keep the
remote control unit there.
• This appliance has a built-in 5-minute time delay
circuit to ensure reliable operation. When the
operation button is pressed, the compressor will start
running within three minutes. In the event of power
failure, the unit will stop.
9
01_XMS1272_EN.fm Page 10 Tuesday, June 9, 2009 6:52 PM
4. Night Setback Mode
HIGH POWER mode can be used to increase the output of the
indoor unit for all operation modes.
Press the HIGH POWER button while operation.
The
mark appears in the display.
To cancel, press HIGH POWER button again.
• When the HIGH POWER button is pressed, the unit operates at
maximum output for 30 minutes, regardless of the desired
temperature. The fan speed is 1 step above “High”.
NOTE
Depending on the operating conditions, the fan speed may be
increased by a small amount only.
SPECIAL REMARKS
‘‘DRY’’ (
) Operation
How it works?
Night Setback Mode is used for saving energy.
Press the NIGHT SETBACK button while operation.
The
mark appears in the display.
To release the night setback function, press the NIGHT SETBACK
button again.
In Cooling and DRY Mode: (
and
)
When the night setback mode is selected, the air conditioner
automatically raises the temperature setting 2 °F when 30 minutes
have passed after the selection was made, and then another 2 °F
after another 30 minutes have passed, regardless of the indoor
temperature when night setback was selected. This enables you
to save energy without sacrificing comfort. This function is
convenient when gentle cooling is needed.
• Once the room temperature reaches the level that was set, the
unit’s operation frequency is changed automatically.
• During DRY operation, the fan speed automatically runs at lower
speed for providing a comfortable breeze.
• ‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F
or less.
Cooling ( ) operation
• Sometimes the indoor unit may not get to the set fan speed such as
LOW under cool operation at very low outdoor temperatures due to
the indoor unit being protected from ice or frost when combined with
the outdoor unit for Low Ambient Cooling models.
Power failure during operation
• In the event of power failure, the unit will stop. When the power is
resumed, the unit will restart automatically in approximately
5 minutes by the remote control unit.
Clicking Sound
Setting
temperature
Press the NIGHT
SETBACK button
2 °F
Clicking sound is heard from the air conditioner
• In cooling operation, any plastic parts may shrink due to a sudden
temperature change. In this event, a clicking sound may occur. This
is normal, and the sound will soon disappear.
2 °F
30 min.
5. HIGH POWER Mode
30 min.
Time
Remote Control Unit
• The remote control unit sends the setting condition to the air
conditioner regularly at five minute intervals.
SETTING THE TIMER
NOTE
In the descriptions below, the following settings are used for the
temperature and time indicator selector button on the bottom front
section of the remote control unit.
• Temperature: °F
• Time: AM, PM
10
OI-141-10-EG
01_XMS1272_EN.fm Page 11 Tuesday, June 9, 2009 6:52 PM
1. How to set the present time
Operation
(Example) To set to 10:30 pm.
Indication
1. Press the ON TIME setting
button once.
2. Press the Advance, Return
( , ) button until AM 7:10
is displayed.
Operation
1. Press the CLOCK button
once if the time indicator is
not flashing.
Indication
The time indication alone
flashes.
2. Press the Advance, Return
The time can be set in 1-minute
( , ) button until PM 10:30 increments. Holding down the
is displayed.
button advances the time rapidly
in 10-minute increments.
3. Press the CLOCK button
again.
The timer
indication is
displayed, and the present ON
time is shown.
The timer
indication
blinks.
The time can be set in 10-minute
increments. Holding down the
button advances the time rapidly
in 10-minute increments.
3. Wait a few seconds, and then The timer
indication
stops blinking and the present
time is displayed.
the setting is complete.
4. How to set daily ON/OFF repeat timer
(Example) To start operation at 7:10 am. and stop the air conditioner
at 11:00 am.
This completes the setting of the
current time.
2. How to set the OFF time
(Example) To stop the air conditioner at 11:00 am.
10:30 pm.
Present time
7:10 am.
ON
Operation
Operation
1. Press the OFF TIME setting
button once.
Indication
The timer
indication is
displayed, and the present OFF
time is shown.
2. Press the Advance, Return
The timer
indication
( , ) button until AM 11:00 blinks.
is displayed.
The time can be set in 10-minute
increments. Holding down the
button advances the time rapidly
in 10-minute increments.
3. Wait a few seconds, and then The timer
the setting is complete.
indication
stops blinking and the present
time is displayed.
3. How to set the ON time
(Example) To start operation at 7:10 am.
1. Set the timer ON/OFF times
as shown in 2-1, 2, 3 and 3-1,
2, 3.
11:00 am.
OFF
Indication
The present time 10:30 pm. and
are displayed.
NOTE
• The ON/OFF combination timer uses the current time as the
reference, and it is activated starting from whichever set time
comes first.
• With the ON/OFF combination timer, the settings are repeated
every day.
• You can check the timer ON/OFF times after you have set them by
pressing the ON TIME and OFF TIME setting buttons.
To cancel a timer program
• Press the CANCEL button.
• When either an ON or OFF timer is to be canceled, press the
button corresponding to the timer whose program is to be
canceled, and then press the CANCEL button.
NOTE
• The airflow direction, fan speed and temperature setting can be
changed after a timer program has been set even when the unit is
stopped. Even when operation is stopped during an ON timer
program, the unit will start operating when the set time is reached
provided that the program is not canceled.
• When the ON timer and OFF timer are set to the same time, the
timer operates as if it is turned off.
OI-141-11-EG
11
01_XMS1272_EN.fm Page 12 Tuesday, June 9, 2009 6:52 PM
USING THE 1-HOUR OFF
TIMER
1. 1-Hour OFF Timer
This function causes the unit to operate for one hour and then
stop, regardless of whether the unit is on or off when this
button is pressed.
The
indicator in the display indicates that this function is
operating.
Setting procedure:
Regardless of whether the unit is operating or stopped, press the 1
HR. TIMER button.
appears in the display.
Cancellation procedure:
Press the ON/OFF operation button to turn the unit off, wait for the
unit to stop operating, and then press the ON/OFF operation button
again.
The 1-Hour Timer function is now cancelled and the unit operates
normally.
NOTE
• If, while the 1-Hour Timer function is operating, the 1HR. TIMER
button is pressed once to cancel the function and then again, the
unit continues to operate for one hour from that point in time and
then stops.
• It is not possible to use the OFF Timer and 1-Hour OFF Timer
together. Whichever function is set last takes precedence. If the 1
HR. TIMER button is pressed while the TIMER OFF function
operates, the OFF Timer is cancelled and the unit will stop
operating one hour later.
2. Operation together with the daily ON/OFF
repeat timer
The 1-Hour OFF Timer setting is given priority over the DAILY ON/
OFF REPEAT setting.
TIPS FOR ENERGY SAVING
ADJUSTING THE AIRFLOW
DIRECTION
The vertical airflow can be adjusted by moving the flap with the
remote control unit. Do not move the flap with your hands. Confirm
that the remote control unit has been turned on. Use the FLAP
button to set either the sweep function or one of the six airflow
direction settings.
A. Sweep function
The flap starts moving
up and down to deliver
air over the sweep
range.
B. Setting the airflow manually
SWEEP
Referring to the above
illustration, use the
COOL
FLAP button to set the DRY
airflow direction within
the range used during
the cooling or
dehumidifying operation.
SWEEP
FAN
C. Auto flap function
The flap is set to
the
recommended
position.
NOTE
The flap automatically closes when the unit is off.
CAUTION
• Use the FLAP button on the remote control unit to adjust the
position of the flap. If you move the flap by hand, the flap
position according to the remote control unit and the actual
flap position may no longer match. If this should happen,
shut off the unit, wait for the flap to close, and then turn on
the unit again; the flap position will now be normal again.
• Do not have the flap pointed down during cooling operation.
Condensation may begin to form around the air vent and drip
down.
Do not
• Block the air intake and outlet of the unit. If they are
obstructed, the unit will not work well, and may be damaged.
• Let direct sunlight into the room. Use sunshades, blinds or curtains.
If the walls and ceiling of the room are warmed by the sun, it will
take longer to cool the room.
Do
• Always try to keep the air filter clean. (Refer to “CARE AND
CLEANING”.) A clogged filter will impair the performance of the
unit.
• To prevent conditioned air from escaping, keep windows, doors and
any other openings closed.
12
OI-141-12-EG
01_XMS1272_EN.fm Page 13 Tuesday, June 9, 2009 6:52 PM
OPERATION WITHOUT THE
REMOTE CONTROL UNIT
CARE AND CLEANING
• Cleaning and maintenance operations
must be carried out by specially
trained personnel.
While working in high places, slipping
or falling may result in serious injury.
• For safety, be sure to turn the air
conditioner off and also to disconnect
the power before cleaning.
• Do not pour water on the indoor unit to
clean it. This will damage the internal
components and cause an electric
shock hazard.
INDOOR UNIT
OPERATION button
OPERATION lamp
Ceiling panel (Indoor Unit)
Clean the ceiling panel of the indoor unit with a vacuum cleaner
brush, or wipe it with a clean, soft cloth.
If you have lost the remote control unit or it has trouble, follow the
steps below.
When the air conditioner is not running
Each time the OPERATION button is pressed, the operation mode
changes cyclically.
Cooling operation
If it is stained, use a clean cloth moistened with a mild liquid
detergent. When cleaning it, be careful not to force the flaps out of
place.
CAUTION
Stop
NOTE
The temperature is set to the room temperature minus 4°F during
the cooling operation, and the fan speed and flap are set to Auto.
• Never use solvents, or harsh chemicals
when cleaning the indoor unit. Do not
wipe the plastic casing using very hot
water.
• Some metal edges and the fins are
sharp and may cause injury if handled
improperly; be especially careful when
you clean these parts.
• The internal coil and other components
of the outdoor unit must be cleaned
every year. Consult your dealer or
service center.
Cleaning the flaps
• The air outlet flap can be removed and washed with water.
• Be sure to always stop operation before removing the flap.
• After washing with water, allow it to dry, and then remount it.
CAUTION
• Do not move the flap with your hands.
• When using a footstool or the like, be careful not to let it tip
over.
Cleaning the main unit and remote control unit
• Wipe clean using a soft, dry cloth.
• To remove stubborn dirt, moisten a cloth in warm water no hotter
than 104 °F, wring thoroughly, and then wipe.
OI-141-13-EG
13
01_XMS1272_EN.fm Page 14 Tuesday, June 9, 2009 6:52 PM
Air filter
The air filter collects dust and other particles from the air and should
be cleaned once every 6 months.
If the filter gets blocked, the efficiency of the air conditioner drops
greatly.
How to remove the air intake grille
1. Open the air intake grille.
2. Detach the safety cord from the frame (remember to attach it
again after cleaning or maintenance).
3. Hold on the air intake grille and pull it towards you to detach the
NOTE
two air intake grille hinges.
The frequency with which the filter should be cleaned depends on
the environment in which the unit is used.
4. Clean the grille gently using a soft sponge, or the like. Then dry it
with care.
Neutral detergent may be used to remove stubborn dirt. Then
rinse thoroughly with water and dry it.
How to remove the filter
1. Slide the two latches of the air intake grille with your thumbs in the
Air intake grille hinge
direction of the arrow to open the grille.
Air intake
grille
Latch
Air intake grille hinge
Ceiling
panel
Safety cord
2. Open the air intake grille downward.
CAUTION
Air intake grille
3. Press the tabs on both sides of the air filter (indicated with
marks on the grill) to release the filter, and then, lift and pull the
filter up and out using the tabs to remove it.
• When cleaning the air filter, never
remove the safety cord. If it is
necessary to remove it for servicing
and maintenance inside, be sure to
reinstall the safety cord securely (hook
on the grille side) after the work.
• When the air intake grille has been
opened, rotating parts (such as the
fan), electrically charged areas, etc. will
be exposed in the unit’s opening. Bear
in mind the dangers that these parts
and areas pose, and proceed with the
work carefully.
• Periodically check the outdoor unit to
see if the air outlet or air intake is
clogged with dirt or soot.
Care: After a prolonged idle period
Check the indoor and outdoor unit air intakes and outlets for
blockage; if there is a blockage, remove it.
Safety cord
Air filter
Care: Before a prolonged idle period
•
•
•
•
Operate the fan for half a day to dry out the inside.
Disconnect the power supply and also turn off the circuit breaker.
Clean the air filter and replace it in its original position.
Outdoor unit internal components must be checked and cleaned
periodically.
Contact your local dealer for this service.
4. Use a vacuum cleaner to remove light dust. If there is sticky dust
on the filter, wash the filter in lukewarm, soapy water, rinse it in
clean water, and dry it.
5. Insert the filter correctly again inside the grille, close the grille
letting the latches slide towards the outside and fix again the
latch.
14
OI-141-14-EG
01_XMS1272_EN.fm Page 15 Tuesday, June 9, 2009 6:52 PM
TROUBLESHOOTING
OPERATING RANGE
If your air conditioner does not work properly, first check the following
points before requesting service. If it still does not work properly,
contact your dealer or service center.
Trouble
Air conditioner does
not run at all.
Possible Cause
The air conditioner is operable within the temperature ranges as
listed below:
For Cooling Only Models : CM1972, CM2472, CM3172
Remedy
1. Power failure.
1. Restore power.
2. Leakage circuit
breaker tripped.
2. Contact service
center.
3. Line voltage is too
low.
3. Consult your
electrician or
dealer.
4. Batteries in remote
control unit have
run down.
4. Replace batteries.
OPERATION lamp
blinks and air
conditioner does not
operate.
Trouble in system.
Contact service
center.
Compressor runs but
soon stops.
Obstruction in front of
condenser coil.
Remove obstruction.
Poor cooling
performance.
1. Dirty or clogged air
filter.
1. Clean air filter to
improve airflow.
2. Heat source or
many people in
room.
2. Eliminate heat
source if possible.
3. Doors and/or
windows are open.
3. Shut them to keep
the heat out.
4. Obstacle near air
intake or air
discharge port.
4. Remove it to ensure
good airflow.
COOLING
Temperature
Indoor air
temperature
Outdoor air
temperature
Max.
95 °F DB /
71 °F WB
115 °F DB
Min.
67 °F DB /
57 °F WB
67 °F DB
WIRED REMOTE CONTROLLER
A separately sold wired remote controller (STK-RCS7TWSU, 7TWSUA) used with this air conditioner is also
available. If you wish to use the wired remote control
function, you will need to purchase the optional wired
remote controller.
5. Thermostat is set
5. Set the temperature
too high for cooling.
lower.
This is normal, and
the sound will soon
disappear.
Clicking sound is
heard from the air
conditioner.
In cooling operation,
any plastic parts may
shrink due to a
sudden temperature
change. In this event,
a clicking sound may
occur.
OPERATION lamp
lights but outdoor unit
will not run.
1. Turn off the power
The use of cellular
then restart the air
phones near the air
conditioner after a
conditioner may cause
while.
disturbance to its
normal operation.
2. Consult your dealer.
TIMER lamp blinks
(3 sec. interval) and
air conditioner does
not operate.
FLOAT SWITCH is
actived.
OI-141-15-EG
Contact service
center.
15
APPENDIX B INSTRUCTION MANUAL
XS1872 & PNR-XS1872
(OI-852-6-4181-108-00-1)
A-2
00_XS1872_Cover.fm Page 1 Wednesday, April 22, 2009 9:45 AM
XS1271
XS1872
COOL/DRY Model
INSTRUCTION MANUAL
Inverter-Controlled Split System Air Conditioner
MODE D’EMPLOI
Climatiseur de type séparé contrôlé par inverseur
This air conditioner uses
the new refrigerant R410A.
Save These Instructions!
Conserver ce mode d’emploi
Pub.
OI-85264181108001
© SANYO 2009
01_XS1872_EN.fm Page 2 Tuesday, June 9, 2009 6:26 PM
FEATURES
This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below;
refer to these descriptions when using the air conditioner.
• Microprocessor Controlled Operation
The interior compartment of the remote control unit
contains several features to facilitate automatic operation,
easy logically displayed for easy use.
• Simple One-touch Wireless Remote Control
The remote control unit has several features to facilitate
automatic operation.
• 24-Hour ON or OFF Timer
This timer can be set to automatically turn the unit on or off
at any time within a 24 hour period.
• 1-Hour OFF Timer
This timer can be set to automatically turn off the unit at
any time after one hour.
• Night Setback
This function saves energy by controlling operation to
provide a quieter operating sound than normal.
• Automatic and 3-step Fan Speed
Auto/High/Medium/Low
• Air Sweep Control
This function moves a flap up and down in the air outlet,
directing air in a sweeping motion around the room and
providing comfort in every corner.
• Auto. Flap Control
This automatically sets the flap to the optimum position
during cooling and drying operation.
• Automatic Restart Function for Power Failure
Even when power failure occurs, preset programmed
operation can be reactivated once power resumes.
• High Power Operation
The unit operates at maximum output for 30 minutes,
regardless of the desired temperature.
The fan speed is 1 step above “High”.
CONTENTS
Page
FEATURES ......................................................................................................................................... 2
PRODUCT INFORMATION ................................................................................................................ 3
ALERT SYMBOLS .............................................................................................................................. 3
INSTALLATION LOCATION ................................................................................................................ 3
ELECTRICAL REQUIREMENTS........................................................................................................ 3
SAFETY INSTRUCTIONS .................................................................................................................. 3
NAMES OF PARTS............................................................................................................................. 4
USING THE REMOTE CONTROL UNIT ............................................................................................ 8
OPERATION WITH THE REMOTE CONTROL UNIT ........................................................................ 9
1. Operation............................................................................................................................. 9
2. Adjusting the Fan Speed ..................................................................................................... 9
3. Fan Only .............................................................................................................................. 9
4. Night Setback Mode .......................................................................................................... 10
5. HIGH POWER Mode ......................................................................................................... 10
SPECIAL REMARKS........................................................................................................................ 10
SETTING THE TIMER...................................................................................................................... 10
USING THE 1-HOUR OFF TIMER ................................................................................................... 12
TIPS FOR ENERGY SAVING........................................................................................................... 12
ADJUSTING THE AIRFLOW DIRECTION ....................................................................................... 12
OPERATION WITHOUT THE REMOTE CONTROL UNIT ............................................................... 13
CARE AND CLEANING.................................................................................................................... 13
TROUBLESHOOTING...................................................................................................................... 15
OPERATING RANGE ....................................................................................................................... 15
WIRED REMOTE CONTROLLER .................................................................................................... 15
2
OI-108-2-EG
01_XS1872_EN.fm Page 3 Tuesday, June 9, 2009 6:26 PM
PRODUCT INFORMATION
If you have problems or questions concerning your Air
Conditioner, you will need the following information. Model
and serial numbers are on the nameplate on the bottom of
the cabinet.
Model No. __________________________________
Serial No. ___________________________________
Date of purchase _____________________________
Dealer’s address _____________________________
Phone number ________________
ALERT SYMBOLS
The following symbols used in this manual, alert you
to potentially dangerous conditions to users, service
personnel or the appliance:
ELECTRICAL
REQUIREMENTS
1. All wiring must conform to the local electrical codes.
Consult your dealer or a qualified electrician for details.
2. Each unit must be properly grounded with a ground (or
earth) wire or through the supply wiring.
3. Wiring must be done by a qualified electrician.
SAFETY INSTRUCTIONS
• Read this Instruction Manual carefully before using
this air conditioner. If you still have any difficulties
or problems, consult your dealer for help.
• This air conditioner is designed to give you
comfortable room conditions. Use this only for its
intended purpose as described in this Instruction
Manual.
• Never use or store gasoline or other
flammable vapor or liquid near the air
conditioner — it is very dangerous.
• This air conditioner has no ventilator
for intaking fresh air from outdoors.
You must open doors or windows
frequently when you use gas or oil
heating appliances in the same room,
which consume a lot of oxygen from
the air. Otherwise there is a risk of
suffocation in an extreme case.
This symbol refers to a hazard or unsafe
practice which can result in severe
personal injury or death.
CAUTION
This symbol refers to a hazard or unsafe
practice which can result in personal
injury or product or property damage.
INSTALLATION LOCATION
• We recommend that this air conditioner be installed
properly by qualified installation technicians in
accordance with the Installation Instructions
provided with the unit.
• Before installation, check that the voltage of the electric
supply in your home or office is the same as the voltage
shown on the nameplate.
• Do not install this air conditioner
where there are fumes or flammable
gases, or in an extremely humid space
such as a greenhouse.
• Do not install the air conditioner where
excessively high heat-generating
objects are placed.
Avoid:
To protect the air conditioner from heavy corrosion, avoid installing
the outdoor unit where salty sea water can splash directly onto it or
in sulphurous air near a spa.
OI-108-3-EG
CAUTION
IMPORTANT
• Do not turn the air conditioner on and
off from the power mains switch. Use
the ON/OFF operation button.
• Do not stick anything into the air outlet
of the outdoor unit. This is dangerous
because the fan is rotating at high
speed.
• Do not let children play with the air
conditioner.
• Do not cool the room too much if
babies or invalids are present.
“Multiple use” is applied for the
model XS1872 only.
• “Single use” means that only one indoor unit is connected with one outdoor unit in a one-unit-to-one-unit
configuration.
• “Multiple use” (i.e. Flexi-Multi system) means that two
or more indoor units are connected with one outdoor
unit in a multiple-unit-to-one-unit configuration.
3
01_XS1872_EN.fm Page 4 Tuesday, June 9, 2009 6:26 PM
NAMES OF PARTS
UNIT DISPLAY AND OPERATION
BUTTON
INDOOR UNIT
INDOOR UNIT
Air intakes
OPERATION button
OPERATION lamp
Air outlet
(4 locations)
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
Remote control unit
IMPORTANT
Refrigerant tubes
OUTDOOR UNIT
Drain hose
Avoid using radio equipment such as mobile phone near (within
4 ft. (1.2 m)) the remote control receiver. Some radio equipment
may cause malfunction of the unit.
If the trouble happens, disconnect power and restart the air
conditioner after a few minutes.
Air outlet
REMOTE
CONTROL
receiver
This section picks up infrared signals from the
remote control unit (transmitter).
OPERATION
button
When the remote control unit cannot be used,
pressing this button enables cooling operation.
Each time this button is pressed, the operation
mode changes cyclically.
NOTE
Cooling operation
Stop
This illustration is based on the external view of a standard model.
Consequently, the shape may differ from that of the air conditioner
which you have selected.
This air conditioner consists of an indoor unit and an outdoor unit.
You can control the air conditioner with the remote control unit.
OPERATION
lamp
This lamp lights when the system is in the
continuous DRY (orange), COOL (green) and
FAN (green) mode.
Air Intake
Air from the room is drawn into this section and
passes through air filters which remove dust.
TIMER lamp
This lamp lights when the system is being
controlled by the timer.
Air Outlet
Conditioned air is blown out of the air
conditioner through the air outlet.
HIGH POWER
lamp
This lamp lights during operation in the HIGH
POWER mode.
Remote
Control Unit
The wireless remote control unit controls power
ON/OFF, operation mode selection,
temperature, fan speed, timer setting, and air
sweeping.
Refrigerant
Tubes
The indoor and outdoor units are connected by
copper tubes through which refrigerant gas
flows.
Drain Hose
Moisture in the room condenses and drains off
through this hose.
NOTE
The unit’s display lamps are dimmed during operation in the NIGHT
SETBACK mode.
The outdoor unit contains the compressor, fan
Outdoor
(Condensing) motor, heat exchanger coil, and other electrical
components.
Unit
4
OI-108-4-EG
01_XS1872_EN.fm Page 5 Tuesday, June 9, 2009 6:26 PM
REMOTE CONTROL UNIT (DISPLAY)
Displayed when transmitting data
Displayed when indoor unit sensor is
in use
Displayed when setting temperature
Displayed when temperature is shown
Displayed when setting timer
Displayed when the time
display is set to 12-hour
time.
Symbols
(1) Operation mode
(4) Timer
MILD DRY ..............................
24-hour clock with ON/OFF
program Timer .......................
COOL .....................................
ON Timer. ..............................
FAN ........................................
OFF Timer. ............................
(2) Fan speed
1-hour OFF Timer. .................
Automatic operation ...............
(5) NIGHT SETBACK..................
HIGH .....................................
MEDIUM.................................
(6) Confirmation
of transmission.......................
LOW .......................................
(7) Auto. flap indication................
(3) Temperature setting
60 – 86 °F
When set to 80 °F
temperature indication............
Flap angle indication..............
Sweep indication....................
(8) High power operation.............
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01_XS1872_EN.fm Page 6 Tuesday, June 9, 2009 6:26 PM
REMOTE CONTROL UNIT
Transmitter
When you press the buttons on the remote control unit, the
mark
appears in the display to transmit the setting changes to the receiver
in the air conditioner.
Display
Information on the operating conditions is displayed while the remote
control unit is switched on. If the unit is turned off, FLAP setting and
FAN SPEED setting are not displayed.
HIGH POWER button
: If this button is pressed during DRY, COOL or FAN operation, the unit
operates at maximum output for 30 minutes, regardless of the
desired temperature.
The fan speed is 1step above ‘‘HIGH’’.
FAN SPEED selector button
: The air conditioner automatically decides the fan speeds.
: High fan speed
: Medium fan speed
: Low fan speed
FLAP button
Press this button either to select the setting of the airflow direction to the auto.
flap in each mode or one of the six possible positions manually or to select the
sweep function which moves the flap up and down automatically.
: Auto flap setting: If selected in a cooling or dry operation, the flap is set
at position (7) in the following chart.
: The airflow direction can be set manually. (six positions)
: The flap moves up and down automatically.
NOTE
When you press the FLAP button, the air flow direction will be changed one by
one as follows.
SWEEP
ON TIME/OFF TIME setting buttons
Advance button
Return button
No display: The timer does not operate.
: The air conditioner starts at the set time.
: The air conditioner stops at the set time.
: The air conditioner stops and starts, or starts and
stops, at the set times every day. For details, see
“SETTING THE TIMER”.
CANCEL button
SENSOR button
When you press this button (use a small-tipped object such as a ballpoint
pen), the
mark will appear at the display. And the room temperature is
detected by the sensor which is built into the indoor unit and the air
conditioner is controlled accordingly.
NOTE
If the remote control unit is located near a heat source, such as a space
heater or in direct sunlight, press the SENSOR button to switch to the
sensor on the indoor unit.
ADDRESS switch
• The address switch changes to prevent mixing of signals from remote control units
when two air conditioners are installed next to each other. Normally, the address switch
is set to A. For more information, please contact the dealer where you made the
purchase.
• Normally, the tabs on the remote control unit should not be bent.
6
Temperature display selector button
This switches the temperature display
between °C and °F.
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01_XS1872_EN.fm Page 7 Tuesday, June 9, 2009 6:26 PM
Sensor
A temperature sensor inside the remote control unit senses the room
temperature.
ON/OFF operation button
This button is for turning the air conditioner on and off.
1 HR. TIMER button (1-HOUR OFF TIMER)
: When you press this button, regardless of whether the unit is operating
or stopping, the unit operates for one hour and then shuts down.
Temperature setting buttons (TEMP.)
Press the
button to increase the set temperature.
Press the
button to reduce the set temperature.
The temperature setting changes by 1 °C or 2 °F each time one of the TEMP.
buttons is pressed.
MODE selector button
Use this button to select DRY, COOL or FAN mode.
(DRY)
: The air conditioner reduces the humidity in the room.
(COOL)
: The air conditioner makes the room cooler.
(FAN)
: The air conditioner works only as a circulation fan.
NIGHT SETBACK button
For details, see “4. Night Setback Mode”. When you press this button in the
DRY or COOL mode, the
mark appears in the display, and the remote
control unit will automatically adjust the set temperature to save energy.
CLOCK button
Time display selector button
This switches the time display between 24-hour time and 12-hour time.
ACL button (ALL CLEAR)
Puts the remote control unit into pre-operation status. Always press this button
after replacing the batteries.
NOTE
(Cover closed)
• The illustration above pictures the remote control unit after the cover has been opened.
• The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals. If the signal from the
remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble, the air conditioner will
switch to the temperature sensor which is built into the indoor unit and control the room temperature. In these cases, the
temperature around the remote control unit may differ from the temperature detected at the air conditioner’s position.
• The indoor fan runs continuously when the system is in normal operation. It does not turn off when the desired room temperature is
reached. If Night Set Back mode is selected, the fan will turn off intermittently during cooling operation in order to control air flow.
OI-108-7-EG
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01_XS1872_EN.fm Page 8 Tuesday, June 9, 2009 6:26 PM
USING THE REMOTE CONTROL UNIT
HOW TO INSTALL BATTERIES
REMOTE CONTROL UNIT INSTALLATION
POSITION
The remote control unit may be operated either from a non-fixed
position or from a wall-mounted position. To ensure that the air
conditioner operates correctly, DO NOT install the remote control
unit in the following places:
DO NOT
• In direct sunlight
• Behind a curtain or other places where it is covered
• More than 26 ft.(8 m) away from the air conditioner
• In the path of the air conditioner’s airstream
• Where it may become extremely hot or cold
• Where it may be subject to electrical or magnetic noise
• Where there is an obstacle between the remote control unit and air
conditioner (since a check signal is sent from the remote control
unit every 5 minutes)
ACL button
MOUNTING THE REMOTE CONTROL UNIT
1. Slide the cover in the direction indicated by the arrow and remove
it.
2. Install two AAA alkaline batteries. Make sure the batteries point in
Before mounting the remote control unit, press the ON/OFF
operation button at the mounting location to make sure that the air
conditioner operates from that location. The indoor unit should make
a beeping sound to indicate that it has received the signal.
the direction marked in the battery compartment.
3. Use a thin object such as the tip of a pen to press the ACL button.
NOTE
Remote control unit mount
• The batteries last about six months, depending on how much
you use the remote control unit. Replace the batteries when
the remote control unit’s display fails to light, or when the
remote control unit cannot be used to change the air
conditioner’s settings.
• Use two fresh leak-proof type-AAA alkaline batteries.
• In replacing batteries, follow the instructions as mentioned in
the subsection “HOW TO INSTALL BATTERIES”.
• If you do not use the remote control unit more than 1 month,
take out the batteries.
• Dispose of the used batteries at the designated location in
compliance with the applicable local ordinances.
HOW TO USE THE REMOTE CONTROL UNIT
When using the remote control unit, always point the unit’s
transmitter head directly at the air conditioner’s receiver.
Press
Set in
place
Mounting screws
5/32 x 5/8"
(4 x 16 mm)
(included)
Hole
• To prevent loss of the remote control
unit, you can connect the remote
control unit to the mount by passing
a string through the remote control
unit and attachment hole.
To take out the remote control unit, pull it forward.
Air conditioner
(Indoor unit)
WHEN HOLDING THE REMOTE CONTROL UNIT
Receiver
Remote control
unit
8
Rear side
• When using the remote control unit and during air conditioner
operation, the transmitter on the remote control unit should be
pointed towards the receiver on the indoor unit.
• Make sure that there are no objects between the remote control
unit and receiver which could block the signal.
(Transmitter
head)
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01_XS1872_EN.fm Page 9 Tuesday, June 9, 2009 6:26 PM
OPERATION WITH THE REMOTE CONTROL UNIT
1. Operation
2. Adjusting the Fan Speed
A. Automatic fan speed
Simply set the FAN SPEED selector button to the
position.
This automatically sets the best fan speed for the room
temperature.
B. Manual fan speed
STEP 2
STEP 3
If you want to adjust fan speed manually during operation,
just set the FAN SPEED selector button as desired. [
,
, or
]
3. Fan Only
STEP 2
STEP 1
STEP 4
STEP 5
NOTE
Check that the circuit breaker on the power panel is
turned on.
STEP 3
STEP 1
Press the setting buttons as described below and
change the settings as desired.
STEP 1
STEP 2
STEP 3
Press the MODE selector button
and select the desired mode.
For dehumidifying operation
→
For cooling operation
→
For fan only operation
→
To start the air conditioner, press the ON/
OFF operation button.
Press the TEMP. setting buttons to change
the temperature setting to the desired
temperature.
Adjustable temperature range:
30 °C max.
16 °C min.
or
If you want to circulate air without any temperature
control, follow these steps:
STEP 1
Press the MODE selector button to switch to
the fan mode
.
STEP 2
Press the ON/OFF operation button.
STEP 3
Press the FAN SPEED selector button to
select the fan speed of your choice (
,
or
).
86 °F max.
60 °F min.
STEP 4
Set the FAN SPEED selector button to the
setting you want.
STEP 5
Press the FLAP button and set the airflow
direction as desired.
(Refer to “ADJUSTING THE AIRFLOW
DIRECTION” on page 12.)
To stop the air conditioner, press the ON/OFF
operation button again.
NOTE
OI-108-9-EG
• Choose the best position in the room for the remote
control unit, which also acts as the sensor for room
comfort and transmits the operating instructions.
Once you’ve found this best position, always keep the
remote control unit there.
• This appliance has a built-in 5-minute time delay
circuit to ensure reliable operation. When the
operation button is pressed, the compressor will start
running within three minutes. In the event of power
failure, the unit will stop.
9
01_XS1872_EN.fm Page 10 Tuesday, June 9, 2009 6:26 PM
4. Night Setback Mode
HIGH POWER mode can be used to increase the output of the
indoor unit for all operation modes.
Press the HIGH POWER button while operation.
The
mark appears in the display.
To cancel, press HIGH POWER button again.
• When the HIGH POWER button is pressed, the unit operates at
maximum output for 30 minutes, regardless of the desired
temperature. The fan speed is 1 step above “High”.
NOTE
Depending on the operating conditions, the fan speed may be
increased by a small amount only.
SPECIAL REMARKS
‘‘DRY’’ (
) Operation
How it works?
Night Setback Mode is used for saving energy.
Press the NIGHT SETBACK button while operation.
The
mark appears in the display.
To release the night setback function, press the NIGHT SETBACK
button again.
In Cooling and DRY Mode: (
and
)
When the night setback mode is selected, the air conditioner
automatically raises the temperature setting 2 °F when 30 minutes
have passed after the selection was made, and then another 2 °F
after another 30 minutes have passed, regardless of the indoor
temperature when night setback was selected. This enables you
to save energy without sacrificing comfort. This function is
convenient when gentle cooling is needed.
• Once the room temperature reaches the level that was set, the
unit’s operation frequency is changed automatically.
• During DRY operation, the fan speed automatically runs at lower
speed for providing a comfortable breeze.
• ‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F
or less.
Cooling ( ) operation
• Sometimes the indoor unit may not get to the set fan speed such as
LOW under cool operation at very low outdoor temperatures due to
the indoor unit being protected from ice or frost when combined with
the outdoor unit for Low Ambient Cooling models.
Power failure during operation
• In the event of power failure, the unit will stop. When the power is
resumed, the unit will restart automatically in approximately
5 minutes by the remote control unit.
Clicking Sound
Setting
temperature
Press the NIGHT
SETBACK button
2 °F
Clicking sound is heard from the air conditioner
• In cooling operation, any plastic parts may shrink due to a sudden
temperature change. In this event, a clicking sound may occur. This
is normal, and the sound will soon disappear.
2 °F
30 min.
5. HIGH POWER Mode
30 min.
Time
Remote Control Unit
• The remote control unit sends the setting condition to the air
conditioner regularly at five minute intervals.
SETTING THE TIMER
NOTE
In the descriptions below, the following settings are used for the
temperature and time indicator selector button on the bottom front
section of the remote control unit.
• Temperature: °F
• Time: AM, PM
10
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1. How to set the present time
Operation
(Example) To set to 10:30 pm.
Indication
1. Press the ON TIME setting
button once.
2. Press the Advance, Return
( , ) button until AM 7:10
is displayed.
Operation
1. Press the CLOCK button
once if the time indicator is
not flashing.
Indication
The time indication alone
flashes.
2. Press the Advance, Return
The time can be set in 1-minute
( , ) button until PM 10:30 increments. Holding down the
is displayed.
button advances the time rapidly
in 10-minute increments.
3. Press the CLOCK button
again.
The timer
indication is
displayed, and the present ON
time is shown.
The timer
indication
blinks.
The time can be set in 10-minute
increments. Holding down the
button advances the time rapidly
in 10-minute increments.
3. Wait a few seconds, and then The timer
indication
stops blinking and the present
time is displayed.
the setting is complete.
4. How to set daily ON/OFF repeat timer
(Example) To start operation at 7:10 am. and stop the air conditioner
at 11:00 am.
This completes the setting of the
current time.
2. How to set the OFF time
(Example) To stop the air conditioner at 11:00 am.
10:30 pm.
Present time
7:10 am.
ON
Operation
Operation
1. Press the OFF TIME setting
button once.
Indication
The timer
indication is
displayed, and the present OFF
time is shown.
2. Press the Advance, Return
The timer
indication
( , ) button until AM 11:00 blinks.
is displayed.
The time can be set in 10-minute
increments. Holding down the
button advances the time rapidly
in 10-minute increments.
3. Wait a few seconds, and then The timer
the setting is complete.
indication
stops blinking and the present
time is displayed.
3. How to set the ON time
(Example) To start operation at 7:10 am.
1. Set the timer ON/OFF times
as shown in 2-1, 2, 3 and 3-1,
2, 3.
11:00 am.
OFF
Indication
The present time 10:30 pm. and
are displayed.
NOTE
• The ON/OFF combination timer uses the current time as the
reference, and it is activated starting from whichever set time
comes first.
• With the ON/OFF combination timer, the settings are repeated
every day.
• You can check the timer ON/OFF times after you have set them by
pressing the ON TIME and OFF TIME setting buttons.
To cancel a timer program
• Press the CANCEL button.
• When either an ON or OFF timer is to be canceled, press the
button corresponding to the timer whose program is to be
canceled, and then press the CANCEL button.
NOTE
• The airflow direction, fan speed and temperature setting can be
changed after a timer program has been set even when the unit is
stopped. Even when operation is stopped during an ON timer
program, the unit will start operating when the set time is reached
provided that the program is not canceled.
• When the ON timer and OFF timer are set to the same time, the
timer operates as if it is turned off.
OI-108-11-EG
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01_XS1872_EN.fm Page 12 Tuesday, June 9, 2009 6:26 PM
USING THE 1-HOUR OFF
TIMER
1. 1-Hour OFF Timer
This function causes the unit to operate for one hour and then
stop, regardless of whether the unit is on or off when this
button is pressed.
The
indicator in the display indicates that this function is
operating.
Setting procedure:
Regardless of whether the unit is operating or stopped, press the 1
HR. TIMER button.
appears in the display.
Cancellation procedure:
Press the ON/OFF operation button to turn the unit off, wait for the
unit to stop operating, and then press the ON/OFF operation button
again.
The 1-Hour Timer function is now cancelled and the unit operates
normally.
NOTE
• If, while the 1-Hour Timer function is operating, the 1HR. TIMER
button is pressed once to cancel the function and then again, the
unit continues to operate for one hour from that point in time and
then stops.
• It is not possible to use the OFF Timer and 1-Hour OFF Timer
together. Whichever function is set last takes precedence. If the 1
HR. TIMER button is pressed while the TIMER OFF function
operates, the OFF Timer is cancelled and the unit will stop
operating one hour later.
2. Operation together with the daily ON/OFF
repeat timer
The 1-Hour OFF Timer setting is given priority over the DAILY ON/
OFF REPEAT setting.
TIPS FOR ENERGY SAVING
ADJUSTING THE AIRFLOW
DIRECTION
The vertical airflow can be adjusted by moving the flap with the
remote control unit. Do not move the flap with your hands. Confirm
that the remote control unit has been turned on. Use the FLAP
button to set either the sweep function or one of the six airflow
direction settings.
A. Sweep function
The flap starts moving
up and down to deliver
air over the sweep
range.
B. Setting the airflow manually
SWEEP
Referring to the above
illustration, use the
COOL
FLAP button to set the DRY
airflow direction within
the range used during
the cooling or
dehumidifying operation.
SWEEP
FAN
C. Auto flap function
The flap is set to
the
recommended
position.
NOTE
The flap automatically closes when the unit is off.
CAUTION
• Use the FLAP button on the remote control unit to adjust the
position of the flap. If you move the flap by hand, the flap
position according to the remote control unit and the actual
flap position may no longer match. If this should happen,
shut off the unit, wait for the flap to close, and then turn on
the unit again; the flap position will now be normal again.
• Do not have the flap pointed down during cooling operation.
Condensation may begin to form around the air vent and drip
down.
Do not
• Block the air intake and outlet of the unit. If they are
obstructed, the unit will not work well, and may be damaged.
• Let direct sunlight into the room. Use sunshades, blinds or curtains.
If the walls and ceiling of the room are warmed by the sun, it will
take longer to cool the room.
Do
• Always try to keep the air filter clean. (Refer to “CARE AND
CLEANING”.) A clogged filter will impair the performance of the
unit.
• To prevent conditioned air from escaping, keep windows, doors and
any other openings closed.
12
OI-108-12-EG
01_XS1872_EN.fm Page 13 Tuesday, June 9, 2009 6:26 PM
OPERATION WITHOUT THE
REMOTE CONTROL UNIT
CARE AND CLEANING
• Cleaning and maintenance operations
must be carried out by specially
trained personnel.
While working in high places, slipping
or falling may result in serious injury.
• For safety, be sure to turn the air
conditioner off and also to disconnect
the power before cleaning.
• Do not pour water on the indoor unit to
clean it. This will damage the internal
components and cause an electric
shock hazard.
INDOOR UNIT
OPERATION button
OPERATION lamp
Ceiling panel (Indoor Unit)
Clean the ceiling panel of the indoor unit with a vacuum cleaner
brush, or wipe it with a clean, soft cloth.
If you have lost the remote control unit or it has trouble, follow the
steps below.
When the air conditioner is not running
Each time the OPERATION button is pressed, the operation mode
changes cyclically.
Cooling operation
If it is stained, use a clean cloth moistened with a mild liquid
detergent. When cleaning it, be careful not to force the flaps out of
place.
CAUTION
Stop
NOTE
The temperature is set to the room temperature minus 4°F during
the cooling operation, and the fan speed and flap are set to Auto.
• Never use solvents, or harsh chemicals
when cleaning the indoor unit. Do not
wipe the plastic casing using very hot
water.
• Some metal edges and the fins are
sharp and may cause injury if handled
improperly; be especially careful when
you clean these parts.
• The internal coil and other components
of the outdoor unit must be cleaned
every year. Consult your dealer or
service center.
Cleaning the flaps
• The air outlet flap can be removed and washed with water.
• Be sure to always stop operation before removing the flap.
• After washing with water, allow it to dry, and then remount it.
CAUTION
• Do not move the flap with your hands.
• When using a footstool or the like, be careful not to let it tip
over.
Cleaning the main unit and remote control unit
• Wipe clean using a soft, dry cloth.
• To remove stubborn dirt, moisten a cloth in warm water no hotter
than 104 °F, wring thoroughly, and then wipe.
OI-108-13-EG
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01_XS1872_EN.fm Page 14 Tuesday, June 9, 2009 6:26 PM
Air filter
The air filter collects dust and other particles from the air and should
be cleaned once every 6 months.
If the filter gets blocked, the efficiency of the air conditioner drops
greatly.
How to remove the air intake grille
1. Open the air intake grille.
2. Detach the safety cord from the frame (remember to attach it
again after cleaning or maintenance).
3. Hold on the air intake grille and pull it towards you to detach the
NOTE
two air intake grille hinges.
The frequency with which the filter should be cleaned depends on
the environment in which the unit is used.
4. Clean the grille gently using a soft sponge, or the like. Then dry it
with care.
Neutral detergent may be used to remove stubborn dirt. Then
rinse thoroughly with water and dry it.
How to remove the filter
1. Slide the two latches of the air intake grille with your thumbs in the
Air intake grille hinge
direction of the arrow to open the grille.
Air intake
grille
Latch
Air intake grille hinge
Ceiling
panel
Safety cord
2. Open the air intake grille downward.
CAUTION
Air intake grille
3. Press the tabs on both sides of the air filter (indicated with
marks on the grill) to release the filter, and then, lift and pull the
filter up and out using the tabs to remove it.
• When cleaning the air filter, never
remove the safety cord. If it is
necessary to remove it for servicing
and maintenance inside, be sure to
reinstall the safety cord securely (hook
on the grille side) after the work.
• When the air intake grille has been
opened, rotating parts (such as the
fan), electrically charged areas, etc. will
be exposed in the unit’s opening. Bear
in mind the dangers that these parts
and areas pose, and proceed with the
work carefully.
• Periodically check the outdoor unit to
see if the air outlet or air intake is
clogged with dirt or soot.
Care: After a prolonged idle period
Check the indoor and outdoor unit air intakes and outlets for
blockage; if there is a blockage, remove it.
Safety cord
Air filter
Care: Before a prolonged idle period
•
•
•
•
Operate the fan for half a day to dry out the inside.
Disconnect the power supply and also turn off the circuit breaker.
Clean the air filter and replace it in its original position.
Outdoor unit internal components must be checked and cleaned
periodically.
Contact your local dealer for this service.
4. Use a vacuum cleaner to remove light dust. If there is sticky dust
on the filter, wash the filter in lukewarm, soapy water, rinse it in
clean water, and dry it.
5. Insert the filter correctly again inside the grille, close the grille
letting the latches slide towards the outside and fix again the
latch.
14
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TROUBLESHOOTING
OPERATING RANGE
If your air conditioner does not work properly, first check the following
points before requesting service. If it still does not work properly,
contact your dealer or service center.
Trouble
Air conditioner does
not run at all.
Possible Cause
Remedy
1. Power failure.
1. Restore power.
2. Leakage circuit
breaker tripped.
2. Contact service
center.
3. Line voltage is too
low.
3. Consult your
electrician or
dealer.
4. Batteries in remote
control unit have
run down.
4. Replace batteries.
OPERATION lamp
blinks and air
conditioner does not
operate.
Trouble in system.
Contact service
center.
Compressor runs but
soon stops.
Obstruction in front of
condenser coil.
Remove obstruction.
Poor cooling
performance.
1. Dirty or clogged air
filter.
1. Clean air filter to
improve airflow.
2. Heat source or
many people in
room.
2. Eliminate heat
source if possible.
3. Doors and/or
windows are open.
3. Shut them to keep
the heat out.
4. Obstacle near air
intake or air
discharge port.
4. Remove it to ensure
good airflow.
COOLING
This is normal, and
the sound will soon
disappear.
Clicking sound is
heard from the air
conditioner.
In cooling operation,
any plastic parts may
shrink due to a
sudden temperature
change. In this event,
a clicking sound may
occur.
OPERATION lamp
lights but outdoor unit
will not run.
1. Turn off the power
The use of cellular
then restart the air
phones near the air
conditioner after a
conditioner may cause
while.
disturbance to its
normal operation.
2. Consult your dealer.
TIMER lamp blinks
(3 sec. interval) and
air conditioner does
not operate.
FLOAT SWITCH is
actived.
Temperature
Indoor air
temperature
Outdoor air
temperature
Max.
95 °F DB /
71 °F WB
115 °F DB
Min.
67 °F DB /
57 °F WB
67 °F DB
For Low Ambient Cooling Models : CL1271, CL1872
COOLING
5. Thermostat is set
5. Set the temperature
too high for cooling.
lower.
OI-108-15-EG
The air conditioner is operable within the temperature ranges as
listed below:
For Cooling Only Models : C1271, C1872
Temperature
Indoor air
temperature
Outdoor air
temperature
Max.
95 °F DB /
71 °F WB
115 °F DB
Min.
67 °F DB /
57 °F WB
0 °F DB
For Cooling Only Models : CM1972, CM2472 and CM3172
COOLING
Temperature
Indoor air
temperature
Outdoor air
temperature
Max.
95 °F DB /
71 °F WB
115 °F DB
Min.
67 °F DB /
57 °F WB
67 °F DB
WIRED REMOTE CONTROLLER
A separately sold wired remote controller (STK-RCS7TWSU, 7TWSUA) used with this air conditioner is also
available. If you wish to use the wired remote control
function, you will need to purchase the optional wired
remote controller.
Contact service
center.
15
APPENDIX C INSTALLATION INSTRUCTIONS
XMS0972 & PNR-XS1872
XMS1272 & PNR-XS1872
XS1872 & PNR-XS1872
(II-852-6-4190-494-00-0)
A-3
09-073 CM3172_IU
7/3/09
5:48 PM
Page a
For Indoor Unit
INSTALLATION INSTRUCTIONS
– Inverter Split System Air Conditioner –
COOL / DRY Model
This air conditioner uses the new refrigerant R410A.
NOTE
Refrigerant service valve size = 5/16"
Contents
Model Combinations
Page
IMPORTANT!
Please Read Before Starting .................................. 2
1.
2.
3.
GENERAL .......................................................... 3
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Unit
1-3. Optional Copper Tubing Kit
1-4. Type of Copper Tube and Insulation Material
1-5. Additional Materials Required for Installation
INSTALLATION SITE SELECTION ................... 4
2-1. Indoor Unit
2-2. Embedding the Tubing and Wiring
HOW TO INSTALL THE INDOOR UNIT .............. 6
3-1. Preparation for Suspending
3-2. Suspending the Indoor Unit
3-3. Placing the Unit Inside the Ceiling
3-4. Installing the Drain Piping
3-5. Checking the Drainage
3-6. How to Install the Ceiling Panel
3-7. Wiring Instructions
3-8. Wiring Instructions for Inter-unit Connections
4.
HOW TO TEST RUN THE AIR CONDITIONER .... 13
5.
REMOTE CONTROL UNIT INSTALLATION
POSITION ......................................................... 14
5-1. Mounting on a Wall
6.
ADDRESS SWITCH .......................................... 15
6-1. Address Setting of the Remote
Control Unit
7.
CONNECTING A HOME AUTOMATION
DEVICE.............................................................. 16
8.
INSTALLATION CHECK SHEET ...................... 16
Combine indoor and outdoor units only as listed
below.
Indoor Unit
Outdoor Unit
XMS0972
CM1972
XMS1272
CM2472
XS1872
CM3172
Power Source:
60 Hz, single-phase, 230 / 208 VAC
Ceiling Panel
PNR-XS1872
CAUTION
Be sure to connect indoor and outdoor units
only in combinations that are listed in the
combination table(s) included in the outdoor
unit package.
Connecting any other model may result in
operation failure and malfunction.
Be sure to read the yellow instruction sheet
attached to the outdoor unit for models using the
new refrigerant R410A.
NOTE
The illustrations are based on the typical appearance of
a standard model. Consequently, the shape may differ
from that of the air conditioner that you are installing.
SANYO North America Corporation
Commercial Solutions Division
2055 Sanyo Ave., San Diego
CA 92154, U.S.A.
85264190494000 © SANYO 2009
In Canada
SANYO Canada Inc.
201 Creditview Road, Woodbridge
Ontario, L4L 9T1, Canada
09-073 CM3172_IU
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Page 2
IMPORTANT!
Please Read Before Starting
When Installing…
This air conditioning system meets strict safety and operating
standards. As the installer or service person, it is an important
part of your job to install or service the system so it operates
safely and efficiently.
…In a Ceiling or Wall
Make sure the ceiling/wall is strong enough to hold the
unit’s weight. It may be necessary to construct a strong
wood or metal frame to provide added support.
For safe installation and trouble-free operation, you
must:
G Carefully read this instruction booklet before beginning.
G Follow each installation or repair step exactly as shown.
G Observe all local, state, and national electrical codes.
G Pay close attention to all warning and caution notices
given in this manual.
This symbol refers to a hazard
or unsafe practice which can
WARNING
result in severe personal injury
or death.
This symbol refers to a hazard
or unsafe practice which can
result in personal injury or prodCAUTION
uct or property damage.
…In a Room
Properly insulate any tubing run inside a room to prevent
“sweating” that can cause dripping and water damage to
walls and floors.
When Connecting Refrigerant Tubing
• Do not add any refrigerant, air, or substance into the
refrigeration circuit other than the designated refrigerant
(R410A). Adding anything other than the specified refrigerant may cause the pressure to rise excessively in the
refrigeration circuit, rupturing the circuit and causing injury
or damage.
• Use all-new tubing and flare nuts to make the tubing connections. Using any previous parts (from R22-based systems) may result in damage to the equipment, and may
lead to the refrigeration circuit rupturing, causing a serious accident.
If Necessary, Get Help
These instructions are all you need for most installation
sites and maintenance conditions. If you require help for a
special problem, contact our sales/service outlet or your
certified dealer for additional instructions.
• Apply refrigerant lubricant to the matching surfaces of
the flare and union tubes before connecting them, then
tighten the nut with a torque wrench for a leak-free
connection.
In Case of Improper Installation
The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to
follow the instructions in this document.
• Check carefully for leaks before starting the test run.
When Servicing
SPECIAL PRECAUTIONS
WARNING
•
•
•
•
• Turn the power OFF at the main power box (mains) before
opening the unit to check or repair electrical parts and
wiring.
When Wiring
ELECTRICAL SHOCK CAN CAUSE SEVERE
PERSONAL INJURY OR DEATH. ONLY A
QUALIFIED, EXPERIENCED ELECTRICIAN
SHOULD ATTEMPT TO WIRE THIS SYSTEM.
Do not supply power to the unit until all wiring and tubing
are completed or reconnected and checked.
Highly dangerous electrical voltages are used in this
system. Carefully refer to the wiring diagram and these
instructions when wiring. Improper connections and
inadequate grounding can cause accidental injury or
death.
Ground the unit following local electrical codes.
Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.
• Keep your fingers and clothing away from any moving
parts.
• Clean up the site after you finish, remembering to check
that no metal scraps or bits of wiring have been left inside
the unit being serviced.
CAUTION
Others
• Ventilate any enclosed areas when installing or testing
the refrigeration system. Escaped refrigerant gas, on
contact with fire or heat, can produce dangerously
toxic gas.
When Transporting
Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when
lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers.
• Confirm upon completing installation that no refrigerant
gas is leaking. If escaped gas comes in contact with a
stove, gas water heater, electric room heater or other heat
source, it can produce dangerously toxic gas.
2
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Page 3
1. General
This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning.
1-1. Tools Required for Installation (not supplied)
1. Standard screwdriver
6. Sabre saw or key hole saw
2. Phillips head screwdriver
7. Hacksaw
3. Knife or wire stripper
8. Core bits
4. Tape measure
9. Hammer
5. Carpenter’s level
10. Drill
11.
12.
13.
14.
15.
Tube cutter
Tube flaring tool
Torque wrench
Adjustable wrench
Reamer (for deburring)
1-2. Accessories Supplied with Unit
Table 1
Parts
Figure
Q'ty
Washer
Flare
insulation
8
Insulation tape
Drain hose
insulation
Figure
2
For wide /
narrow tube /
flare nut connection
Hose band
8
For flare / drain
insulating
connection
Tapping screw
1
For drain tube
connection
Truss head screw
13/32"(T10)
Remote
control unit
1
Remote control
unit holder
1
AAA alkaline
battery
2
Full-scale
installation
diagram
1
3/16 13/32"
(5 10mm)
Truss head screw
Drain hose
3/32"(T2)
Vinyl tie
Parts
For wide /
narrow tube
connection
2
set
1/8"(T3)
3/16"(T5)
Remarks
For temporarily
suspending indoor
unit from ceiling
Q'ty
4
Remarks
For full-scale
installation
diagram
1
For unit & PVC
tube connection
2
For drain hose
connection
5-1/2"(L140)
Truss-head Phillips
5/32 5/8"
(4 16mm)
2
5/32 15/32"
(4 12mm)
4
Packed in the
ceiling panel
Special screw
3/16 1-9/16"
(5 40mm)
4
Use M10 or 3/8" for suspension bolts.
Suspension bolts and nuts (locally purchased)
Printed on
container box
1-3. Optional Copper Tubing Kit
Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing, fittings and insulation. Consult your nearest sales outlet or air conditioning workshop.
1-4. Type of Copper Tube and Insulation Material
If you wish to purchase these materials separately from a local source, you will need:
1.
Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2.
Cut each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to dampen vibration between units.
2.
Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing. Wall thickness
of the insulation should be not less than 5/16" (8 mm).
3.
Use insulated copper wire for field wiring. Wire size varies with the total length of wiring. Refer to 3-7. Wiring Instructions for details.
CAUTION
Table 2
Narrow Tube
Wide Tube
Model
Outer Dia.
Thickness
Outer Dia.
Thickness
XMS0972/1272
1/4" (6.35 mm)
0.0314" (0.8 mm)
3/8" (9.52 mm)
0.0314" (0.8 mm)
XS1872
1/4" (6.35 mm)
0.0314" (0.8 mm)
1/2" (12.70 mm)
0.0314" (0.8 mm)
3
Check local electrical codes
and regulations before
obtaining wire. Also, check
any specified instructions or
limitations.
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Page 4
1-5. Additional Materials Required for Installation
1.
2.
Refrigeration (armored) tape
Insulated staples or clamps for connecting wire
(See local codes.)
Putty
Refrigeration lubricant
Clamps or saddles to secure refrigerant tubing
3.
4.
5.
2. Installation Site Selection
2-1. Indoor Unit
WARNING
To prevent abnormal heat generation
and the possibility of fire, do not
place obstacles, enclosures and
grilles in front of or surrounding the
air conditioner in a way that may
block air flow.
AVOID:
G
direct sunlight.
G
nearby heat sources that may affect performance of the
unit.
G
areas where leakage of flammable gas may be expected.
G
placing or allowing any obstructions near the air conditioner
inlet or outlet.
G
installing in rooms that contain instant-on (rapid-start)
fluorescent lamps. (These may prevent the air conditioner
from receiving signals.)
G
places where large amounts of oil mist exist.
G
installing in locations where there are devices that
generate high-frequency emissions.
3.3 ft.
(1m)
3.3 ft.
(1m)
3.3 ft.
(1m)
INDOOR
UNIT (1)
Tubing length (L1)
Elevation
difference (H1)
select a location that will hold the weight of the unit.
G
select a location where tubing and drain hose have the
shortest run to the outside.
G
allow room for operation and maintenance as well as
unrestricted air flow around the unit. (Fig. 1)
G
install the unit within the maximum elevation difference
(H1, H2, H3, H4) above or below the outdoor unit and
within a total tubing length (L1+L2+L3, L1+L2+L3+L4)
from the outdoor unit as detailed in Table 3 and Fig. 2.
INDOOR
UNIT (2)
L2
OUTDOOR
UNIT
H2
L3
select an appropriate position from which every corner of
the room can be uniformly cooled.
G
3.3 ft.
(1m)
Fig. 1
DO:
G
3.3 ft.
(1m)
H4
INDOOR
UNIT (4)
L4
INDOOR
UNIT (3)
H3
Fig. 2
CAUTION
Air delivery will be degraded if the distance
from the floor to the ceiling is greater than
10 ft. (3 m).
4
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G
Install the indoor unit more than 3.3' (1 m) away from any
antenna or power lines or connecting wires used for television, radio, telephone, security system, or intercom.
Electrical noise from any of these sources may affect
operation.
G
install in a sturdy manner to avoid increased operating
noise.
Table 3
Model
Max.
Allowable
Tubing Length
per unit
(ft.)
Max. Allowable Total
Tubing Length
at shipment
(L1+L2+L3) or
(L1+L2+L3+L4)
(ft.)
Limit of
Total Tubing Length
(L1+L2+L3) or
(L1+L2+L3+L4)
(ft.)
Limit of Elevation
Difference
(H1, H2, H3, H4)
(ft.)
Required Amount
of Additional
Refrigerant
(oz./ft.)*
CM1972
82
150 (L1+L2+L3)
150 (L1+L2+L3)
50
—
CM2472
82
150 (L1+L2+L3+L4)
200 (L1+L2+L3+L4)
50
0.22
CM3172
100
150 (L1+L2+L3+L4)
230 (L1+L2+L3+L4)
50
0.22
* If total tubing length becomes 150 to 200 ft. (Max.) or 150 to 230 ft. (Max.), charge additional refrigerant (R410A) by 0.22 oz./ft.
No additional charge of compressor oil is necessary. For more detailed charging information, refer to the Technical & Service Manual.
2-2. Embedding the Tubing and Wiring
G
Before beginning embedding installation work, consult
fully with agencies or offices related to the building’s
foundation, construction, electricity, and water.
G
Wait to make connections to the embedded portion.
Each connection step is described later in this
manual.
G
Securely cover the end of the embedded tubing to
prevent intrusion of dirt or moisture.
G
If an embedded tube is to be left for a long time, fill
the tube with nitrogen and seal both ends securely.
If a tube is left open for an extended time, moisture in
the air inside the tubing may condense into water
droplets, and lead to water contamination of the refrigerant circuit.
G
In order to prevent insulation breakdown and ground
faults, do not allow wiring ends to come in contact with
rainwater, or be subjected to condensation or dew.
G
Apply sufficient thermal insulation to the refrigerant
tubing and drain pipes.
5
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3. How to Install the Indoor Unit
Hole-in-anchor
Hole-in-plug
Concrete
Insert
3-1. Preparation for Suspending
This unit uses a drain pump. Use a carpenter’s level to
check that the unit is level.
3-2. Suspending the Indoor Unit
Suspension bolt (M10 or 3/8")
(locally purchased)
(1) Fix the suspension bolts securely in the ceiling using
the method shown in the diagrams, by attaching
them to the ceiling support structure, or by any other
method that ensures that the unit will be securely
and safely suspended. (Fig. 6-1)
Fig. 6-1
23-5/8"(600mm)
Ceiling opening dimensions
21-1/32"(534mm)
Suspension bolt pitch
(2) Follow the diagram to make the holes in the ceiling.
(3) Determine the pitch of the suspension bolts using
the supplied full-scale installation diagram. The diagram shows the relationship between the positions
of the suspension fitting, unit, and panel. (Fig. 6-2)
3-3. Placing the Unit Inside the Ceiling
(4) Thread the 3 hexagonal nuts (locally purchased) and
2 supplied washers onto each of the 4 suspension
bolts as shown in the diagram. Use 1 nut and 1
washer for the upper side, and 2 nuts and 1 washer
for the lower side, so that the unit will not fall off the
suspension lugs. (Fig. 6-4)
Supplied screw
Refrigerant tubing joint
(narrow tube side)
1/4( 6.35mm) (flared)
Fig. 6-2
1/2" — 23/32" (13~18mm)
(3) The length of suspension bolts must be appropriate
for a distance between the bottom of the bolt and the
bottom of the unit of more than 19/32" (15 mm) as
shown in the diagram. (Fig. 6-3)
(30mm)
8-15/32"
(215mm)
Over 19/32" (15mm)
Power supply port
1-3/16"
4-19/32"
(117mm)
(2) When placing the unit inside the ceiling, determine
the pitch of the suspension bolts using the supplied
full-scale installation diagram. (Fig. 6-3)
Tubing and wiring must be laid inside the ceiling
when suspending the unit. If the ceiling is already
constructed, lay the tubing and wiring into position
for connection to the unit before placing the unit
inside the ceiling.
Drain tube
connection port
(outer dia 1-1/32"( 26mm))
6-5/16" 6-11/16"
(160mm) (170mm)
1-25/32"
(45mm)
1-25/32"
(45mm)
22-5/8"(575mm)
2-3/32"
(53mm)
11-5/32"(283mm)
(1) Be sure to remove the fan protection (4pcs) for
transportation before hanging up the indoor unit.
23-5/8"(600mm)
Ceiling opening dimensions
21-1/32"(534mm)
Suspension bolt pitch
Full-scale installation diagram
(printed on top of container box)
Fig. 6-3
(5) Adjust so that the distance between the unit and the
ceiling bottom is 1/2" (13 mm) to 23/32" (18 mm).
Tighten the nuts on the upper side and lower side of
the suspension lug. (Fig. 6-4)
Suspension bolt
Suspension lug
Nuts and washers
(used for upper and lower)
Notch
Double nut
1/2" — 23/32"
(13~18mm)
Fig. 6-4
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Twist tie
(4 vinyl ties, supplied)
3-4. Installing the Drain Piping
(1) Prepare standard hard PVC pipe (locally purchased O.D.
1-1/32" (26 mm)) for the drain and use the supplied hose
band to prevent water leaks. (Fig. 6-5)
Drain port
Drain hose
insulation
(supplied)
Hard PVC pipe
Position to
(equivalent to
O.D. 1-1/32" (26mm)) fasten hose
bands
(locally purchased)
(2) To install the drain hose, first place 1 of the 2 hose bands
over the unit drain port and the other hose band over the
hard PVC pipe (not supplied). Then connect both ends of
the supplied drain hose. (Fig. 6-5)
(3) On the unit drain side, grasp the hose band with pliers
and insert the drain hose all the way to the base.
G If other commercially available hose bands are used, the
drain hose may become pinched or wrinkled and there is
danger of water leakage. Therefore be sure to use the
supplied hose bands. When sliding the hose bands, be
careful to avoid scratching the drain hose.
G Do not use adhesive when connecting the supplied drain
hose to the drain port (either on the main unit or the PVC
pipe).
Reasons: a) It may cause water to leak from the connection. Since the connection is slippery just
after the adhesive has been applied, the
pipe easily slips off.
b) The pipe cannot be removed when maintenance is needed.
Drain hose
(supplied)
3/16"
(5mm)
15/16"
(25mm)
3/16"
(5mm)
15/16"
(25mm)
5-1/2"(140mm)
Unit
Fig. 6-5
CAUTION
G
G
(4) Wrap the hose with the supplied drain hose insulation
and use the 4 twist ties so that the hose is insulated with
no gaps.
G Do not bend the supplied drain hose 90° or more. The
hose may slip off.
Fig. 6-6
Make sure the drain pipe has a downward gradient (1/100 or
more) and that there are no water traps.
CAUTION
CAUTION
G
G
G
G
Attach so that the hose band
fastener is on the side of the
drain port.
Attach the hose bands so that
each is approximately 3/16"
(5 mm) to 15/16" (25 mm) from
the end of the supplied drain
hose.
Air bleeder prohibited
NOTE
G
Hose band
(2 bands, supplied)
In cases where it is necessary to raise the height of the
drain piping, the drain piping can be raised to a maximum
height of 2.78 ft. (850 mm) above the bottom surface of
the ceiling. Under no conditions attempt to raise it higher
than 2.78 ft. (850 mm) above the bottom surface of the
ceiling. Doing so will result in water leakage. (Fig. 6-7)
Do not use natural drainage.
Do not install the pipe with an upward gradient from the
connection port. This will cause the drain water to flow
backward and leak when the unit is not operating.
(Fig. 6-8)
Do not apply force to the piping on the unit side when
connecting the drain pipe. The pipe should not be allowed
to hang unsupported from its connection to the unit. Fasten the pipe to a wall, frame, or other support as close to
the unit as possible. (Fig. 6-9)
Provide insulation for any pipes that are run indoors.
G
Do not install an air bleeder as
this may cause water to spray
from the drain pipe outlet.
(Fig. 6-6)
1 ft.(300mm) or less
2.78 ft.(850mm) or less
0 - 45
* Length of supplied drain hose = 5-1/2"(140mm)
Fig. 6-7
Uphill slope
Fig. 6-8
Support
bracket
Fig. 6-9
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3-5. Checking the Drainage
After wiring and drain piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water.
G
Water drain
Be sure to do the wiring between the units before installing the
ceiling panel. (Refer to 3-8. Wiring Instructions for Inter-unit
Connections)
(1) Turn on the power. (Here, “power” refers to the power supply
from the outdoor unit.)
(2) Slowly pour approx. 16 ounces (500 ml) of water into the drain
pan to check drainage. (Fig. 6-10a)
(3) Remove the 2 screws from the control box cover, then open
the cover. Be careful not to drop the cover at this time.
(4) Disconnect the FS 3P connector (red) on the control PCB and
operate the drain pump. (Fig. 6-10b) Check the water flow
through the transparent drain pipe and see if there is any
leakage.
(5) When the check of drainage is complete, reconnect the FS
3P connector and remount the control cover.
CAUTION
The drain pump will continue to
operate for a minimum of 6 minutes after the FS 3P connector is
reconnected.
Over 4"
(100mm)
Control box
Plastic container
Drain pan outlet
for water intake Water
(Approx. 16 ounces (500m ) )
Fig. 6-10a
Control box
FLAP
FS
IND
RC
Fig. 6-10b
A must be within the range of 1/2"(13mm) to 23/32"(18mm). (Fig. 6-11)
If not within this range, malfunction or other trouble may occur.
3-6. How to Install the Ceiling Panel
Indoor unit
Checking the unit position
(1) Check that the ceiling hole is 23-5/8" (600 mm) × 23-5/8"
(600 mm) (Fig. 6-11)
(2) Confirm that the position of the indoor unit and the ceiling
as shown in the diagram. If the positions of the ceiling surface and unit do not match, air leakage, water leakage, flap
operation failure, or other problems may occur. (Fig. 6-11)
A
Ceiling opening
dimension
Ceiling side
Latch
Fig. 6-11
NO
Flap
CAUTION
G
G
Never place the panel face-down. Neither hang it vertically nor place it on top of a projecting object. Placing it face-down will damage the surface.
Do not touch the flap or apply force to it. (This may
cause flap malfunction.) (Fig. 6-12)
Fig. 6-12
Fig. 6-13
Ceiling panel
Air-intake grille
1
1
3-6-1. Before Installing the Ceiling Panel
(1) Remove the air-intake grille and air filter from the ceiling
panel.
a) Press on and slide the two latches of the air-intake grille
with your thumb in the direction shown by the arrow 1
to open the grille. (Figs. 6-13 and 6-14)
Air-intake grille hinge
Fig. 6-14
2
b) With the air-intake grille opened, remove the grille hinge
from the ceiling panel by sliding it in the direction shown
by the arrow 2 . (Fig. 6-15)
Fig. 6-15
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(2) Removing the corner cover and
indicator cover
a) While lightly pressing the center of the corner cover, pull up
the tab for the screw hole. Use
the same procedure to
remove the indicator cover.
(Fig. 6-16)
1 Press
Corner cover
2 Pull up
Indicator cover
Fig. 6-16
3-6-2. Installing the Ceiling Panel
Temporary latches
(1) Hang the temporary latches on the inside of the ceiling panel to the receptacle on the unit to temporarily
attach the ceiling panel in place. (Fig. 6-17)
G The ceiling panel must be installed in the correct
direction relative to the unit. Align the REF. PIPE and
DRAIN marks on the ceiling panel corner with the
correct positions on the unit.
Temporary
latch
Fig. 6-17
Refrigerant tubing joint
Drainage check
(2) Align the panel installation holes and the unit screw
holes. (Fig. 6-18)
(3) Tighten the supplied special screws at the 4 panel
installation locations so that the panel is attached
tightly to the unit.
G Check that the wiring connectors are not caught
between the unit and the ceiling panel.
REF.PIPE mark
Ceiling panel
DRAIN mark
(4) Check that the panel is attached tightly to the ceiling.
(Fig. 6-19)
G At this time, make sure that there are no gaps
between the unit and the ceiling panel, or between
the ceiling panel and the ceiling surface.
G If there is a gap between the panel and the ceiling,
leave the ceiling panel attached and make fine
adjustments to the installation height of the unit to
eliminate the gap with the ceiling.
Special screws
Fig. 6-18
Ceiling surface
Ceiling panel
Fig. 6-19
If a gap remains between the ceiling
surface and the ceiling panel even
after the screws are tightened,
adjust the height of the unit again.
Air leakage
Air leakage from
ceiling surface
Staining
Do not allow
gaps
Indoor unit
CAUTION
If the screws are not sufficiently tightened,
trouble such as that shown in the figure
below may occur. Be sure to tighten
the screws securely.
Panel installation hole
(4 locations)
Adjust so that there are no gaps.
Condensation, water leakage
Fig. 6-20
9
The height of the unit can be adjusted from the ceiling
panel corner hole, with the ceiling panel attached, to
an extent that does not affect the unit levelness,
the drain hose, or other elements.
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3-6-3. Wiring the Ceiling Panel and the Indicator
Drain pipe side
(1) Remove the 2 screws from the control box cover, then open
the cover. Be careful that the cover does not fall.
(2) Connect the 5P FLAP wiring connector from the ceiling
panel to the connector on the control PCB in the control box.
(Fig. 6-21)
Control box
Refrigerant tube side
(3) Connect the 7P IND and 4P RC wiring connector from the
indicator to the connectors on the control PCB in the control
box. (Fig. 6-21)
Indicator cover
Power box
As to how to attach the indicator cover, refer to Fig.6-23.
(4) Be sure to use the clamps to fasten the connector wires in
place. (Fig. 6-21)
Indoor unit
Ceiling panel
7P IND and 4P RC
wiring connector
Indicator
5P FLAP wiring connector
5P
FLAP
Clamps
IND RC
(5) Tighten the 2 cover screws to
close the cover.
G Check that the wiring
connectors are not caught
between the electrical
component box and the cover.
G If the indicator connector is
not securely connected,
the remote controller
signal will not be
received.
G If the connectors are not
connected, the auto flap will not
operate. Be sure
to connect them securely.
Fig. 6-22
5P FLAP
wiring connector
7P IND and 4P RC wiring connector
4P
7P
Control box
Indicator
* Pass the wiring connectors through the clamps to fasten them in place,
as shown in the figure.
Fig. 6-21
3-6-4. How to Attach the Corner Cover and Air-Intake Grille
A. Attaching the corner cover
Pin
(1) Check that the safety strap from the corner cover is fastened to the ceiling panel pin, as shown in the figure.
(Fig. 6-23)
(2) Use the supplied screws to attach the corner cover to the
ceiling panel.
B. Attaching the air-intake grille
G To install the air-intake grille, follow the steps for 3-6-1.
Before Installing the Ceiling Panel in the reverse order.
By rotating the air-intake grille, it is possible to attach the
grille onto the ceiling panel
Hole for ceiling
panel hook
from any of 4 directions.
(Fig. 6-25)
G When attaching the air-intake
grille, be careful that the flap
and the indicator wiring do
not become caught.
G Be sure to attach the safety
cord that prevents the air-intake
Hook that prevents
grille from dropping off to the
the grille from
ceiling panel unit as shown
dropping
in Fig. 6-24.
Fig. 6-24
10
Place the corner cover so that the 3 tabs
fit into the holes in the ceiling panel.
Then fasten it in place with the supplied screws.
Fig. 6-23
* The grille can be installed
with these hinges facing
in any of 4 directions.
Can be installed rotated 90
Fig. 6-25
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Page 11
3-6-5. Checking After Installation
G
G
Check that there are no gaps between the unit and the ceiling panel, or between the ceiling panel and the ceiling surface. Gaps may cause water leakage and condensation.
Check that the wiring is securely connected.
If it is not securely connected, the auto flap will not operate. In addition, water leakage and condensation may occur.
3-6-6. When Removing the Ceiling Panel for Servicing
When removing the ceiling panel for servicing, remove the air-intake grille and air filter, disconnect the flap and the indicator wiring connectors inside the control box, and then remove the 4 mounting screws.
3-6-7. Adjusting the Auto Flap
The air-direction flap on the ceiling panel outlet can be adjusted as follows.
G Adjust the flap to the desired angle using the remote controller. The flap also has an automatic air-sweeping mechanism.
NOTE
G
G
Never attempt to move the flap by hand.
Proper air flow depends on the location of the air conditioner, the layout of the room and furniture, etc. If cooling or
heating seems inadequate, try changing the direction of the air flow.
3-7. Wiring Instructions
General precautions on wiring
(1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram.
(2) Provide a power outlet to be used exclusively for each unit, with a power supply disconnect and circuit breaker for
overcurrent protection provided in the exclusive line.
(3) To prevent possible hazards due to insulation failure, the unit must be grounded.
(4) Each wiring connection must be done tightly and in accordance with the wiring system diagram. Wrong wiring may
cause the unit to misoperate or become damaged.
(5) Do not allow wiring to touch the refrigerant tubing, compressor, or any moving parts of the fan.
(6) Unauthorized changes in the internal wiring can be very dangerous. The manufacturer will accept no responsibility
for any damage or misoperation that occurs as a result of such unauthorized changes.
3-8. Wiring Instructions for Inter-unit Connections
(1) Remove the 1 screw from the terminal cover, then open the
cover. Be careful that the cover does not fall.
(2) Remove the 3 screws from the power box cover, then open
the cover. Be careful that the cover does not fall.
(4) Remove the transparent plastic cover from the 3P terminal
plate.
(5) While viewing the wiring diagram, connect the inter-unit and
power supply line to terminals 1, 2 and 3 on the 3P terminal
plate.
(6) Remount the transparent plastic cover onto the 3P terminal
plate.
1 2
3
(3) Use the screw to securely fasten the ground wire from the
outdoor unit in place.
Power wiring
(Locally purchased)
Clamping strap
Earth screw
(7) Be sure to use the clamping strap to fasten the wires in place.
(8) Tighten the screws to remount the terminal and the power
box cover.
Inter unit
(Conduit)
Fig. 8
11
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WARNING
Page 12
Loose wiring may cause the
terminal to overheat or result
in unit malfunction. A fire
hazard may also exist. Therefore, be sure all wiring is
tightly connected.
When connecting each power wire to the corresponding
terminal, follow the instructions “How to connect wiring
to the terminal” and fasten the wire securely tight with
the fixing screw of the terminal plate.
STRIP
SIZE
How to connect wiring to the terminal
9/32"
(7 mm) (ACTUAL
SIZE)
a) For Indoor Unit
Fig. 28
Strip 15/16" (25 mm)
(1) Cut the wire end with a cutting pliers, then strip the
insulation to expose the wire about 9/32" (7 mm).
See the label (Fig. 28) near the terminal plate.
(2) Using a screwdriver, loosen the terminal screw on
the terminal plate.
(3) Insert the wire and tighten the terminal screw completely using a screwdriver.
Solid wire
Loop
Insulation
b) For Outdoor Unit
Fig. 29
I For solid core wiring (or F-cable)
Strip 3/8" (10 mm)
(1) Cut the wire end with a cutting pliers, then strip the
insulation to expose the solid wire about 15/16" (25
mm). (Fig. 29)
(2) Using a screwdriver, remove the terminal screw(s)
on the terminal plate.
Stranded wire
Ring
connector
(3) Using the pliers, bend the solid wire to form a loop
suitable for the terminal screw.
Fig. 30
(4) Shape the loop wire properly, place it on the terminal plate and fix it securely with the removed terminal screw using a screwdriver.
Twist wire ends
I For stranded wiring
(1) Cut the wire end with a cutting pliers, then strip the
insulation to expose the stranded wiring about 3/8"
(10 mm) and tightly twist the wire ends. (Figs. 30
and 31)
Fig. 31
(2) Using a screwdriver, remove the terminal screw(s)
on the terminal plate.
Special
washer
(3) Using a ring connector fastener or pliers, securely
clamp each stripped wire end with a ring connector.
(Fig. 30)
Screw
Ring connector
Wire
(4) Place the ring connector wire, and replace and
tighten the removed terminal screw using a screwdriver. (Fig. 32)
Terminal plate
Wire
Fig. 32
12
Screw and
special washer
Ring
connector
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Page 13
4. How to Test Run the Air Conditioner
After turning on the power of the air conditioner, use the
remote controller and follow the steps below to conduct
the test run.
(1) Set the remote controller in Test Run mode. (Fig. 33)
a)Press and hold the HIGH POWER button and the
1HR. TIMER button.
b)Then press and hold the ACL (Reset) button with
a pointed object such as the tip of a pen. After 5
seconds, release the ACL button first.
ON/OFF
operation
button
HIGH POWER
button
c) Then release the HIGH POWER and 1HR. TIMER
buttons.
d)
1HR.
TIMER
button
appears and “oP-1” blinking in the remote controller clock display area. (Fig. 34)
(2) Start Cooling mode test run by pressing the ON/OFF
operation button of the remote controller. (Fig. 33)
• This starts the fan producing uncooled forced air
with the 3 indicator lamps (OPERATION lamp,
TIMER lamp, and HIGH POWER lamp) on the
main unit blinking. (Fig. 35)
• After 3 minutes, the system shifts into cooling
operation, and cool air will start to be felt. Cooling
mode test run is unaffected by the room temperature.
ACL
(Reset)
button
Fig. 33
(3) Press the ON/OFF operation button of the remote
controller again to stop the test run. (Fig. 33)
(4) Finally press the ACL (Reset) button of the remote
controller to release it from Test Run mode to return
to normal mode. (Fig. 33)
• “ ” and “oP-1” will disappear from the remote
controller clock display area.
NOTE
Fig. 34
Troubleshooting:
In the event that the green OPERATION lamp is blinking
upon powering up the system, an error condition exists.
In this case, refer to the self-diagnostics procedure
which can be seen by opening the air-intake grille.
IMPORTANT
After the test run is completed, be sure to press the ACL
(Reset) button to return to normal mode. The air conditioner will not operate correctly if this is not done.
OPERATION button
OPERATION lamp
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
Fig. 35
13
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Page 14
5. Remote Control Unit Installation Position
The remote control unit can be operated from either a
non-fixed position or a wall-mounted position.
To ensure that the air conditioner operates correctly, do
not install the remote control unit in the following places:
G In direct sunlight
G Behind a curtain or other place where it is covered
G More than 26' (8 m) away from the air conditioner
G In the path of the air conditioner’s airstream
G Where it may become extremely hot or cold
G Where it may be subject to electrical or magnetic
interference
G Where there is an obstacle between the remote con-
trol unit and the air conditioner (since a check signal
is sent from the remote control unit every 5 minutes)
5-1. Mounting on a Wall
Before mounting the remote control unit, press the
ON/OFF operation button at the mounting location to
make sure that the air conditioner operates from that
location. The indoor unit should make a beeping sound
to indicate that it has received the signal.
Rear side
Remote control
unit mount
Press
Set in
place
Hole
To prevent loss of the remote control
unit, you can connect the remote
control unit to the mount by passing
a string through the remote control
unit and attachment hole.
Mounting screws
5/32 5/8" (4 16 mm)
(included)
To take out the remote control unit, pull it forward.
Fig. 36
14
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Page 15
6. Address Switch
Tab
6-1. Address Setting of the Remote Control Unit
The address can be set in order to prevent interference between remote controllers when 2 indoor units
are installed near each other. The address is normally
set to “A.” To set a different address, it is necessary to
change the address on the second remote controller.
NOTE
Fig. 37
Once changed, you cannot restore the original
address setting of the air conditioner.
(1) Switch on the power source.
(2) Break the address-setting tab marked “A” on the
second remote controller to change the address
(Fig. 37). When the tab is removed, the address is
automatically set to B (Fig. 38).
(3) Press and hold the remote controller HIGH
POWER button and 1HR. TIMER button. Then,
press and hold the ACL (Reset) button with a
pointed object such as the tip of a pen. After 5
seconds, release the ACL button first, then
release the HIGH POWER and 1HR. TIMER buttons. “oP-1” (Test Run) appears, blinking in the
remote controller clock display area.
ACL button
Fig. 38
(4) Each time the 1HR. TIMER button is pressed, the
display changes as shown below. Press this button 2 times to change the display to “oP-7”
(Address setting). (Fig. 39)
Test run mode
Self-diagnostic mode
ON/OFF
operation
button
Address setting mode
HIGH POWER
button
(5) “oP-7” has now been selected for address setting.
1HR.
TIMER
button
(6) Press the ON/OFF operation button on the remote
controller. (Fig. 39) Check that the “beep” signalreceived sound is heard from the second indoor
unit (approximately 5 times). The sound you hear
is the signal that the remote controller address
has been changed.
(7) Finally press the remote controller ACL (Reset)
button to cancel the blinking “oP-7” display.
(Fig. 39)
Changing of the second remote controller address is
now completed.
ACL
(Reset)
button
Fig. 39
15
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Page 16
7. Connecting a Home Automation Device
The HA (white) 4P terminal is located on the indoor unit PCB. If a HA device will
be used, connect it to this terminal.
8. Installation Check Sheet
The strength of the installation location is sufficient to support the air
conditioner weight.
The indoor and outdoor units are installed level and vertically.
The power and voltage are as specified.
Inter-unit cables are securely inserted into the
terminal block.
Inter-unit cables are securely fixed.
The power cable and inter-unit cables are not connected anywhere along
their paths.
The ground wire is securely connected.
Thermal insulation has been applied to the tubing connections.
Drain connections are secure and water drains properly.
Putty has been used to close the hole in the wall.
Remote controller signals are being positively received.
16
APPENDIX D INSTRUCTION MANUAL
STK-RCS-7TWSUA
(OI-852-6-4181-139-00-0)
A-4
00_STK-RCS-7TWSUA_Cover.fm Page 1 Tuesday, February 24, 2009 11:37 AM
STK-RCS-7TWSUA
INSTRUCTION MANUAL
Wired Remote Controller
This wired remote controller is designed for
both the “COOL/DRY/HEAT Model” and
“COOL/DRY Model” indoor unit.
Before using the remote controller, be sure
to confirm the “model type” specified on the
front cover of the INSTRUCTION MANUAL
supplied with the indoor unit.
MODE D’EMPLOI
Télécommande Filaire
Once the wired remote controller is
connected, the wireless remote controller
cannot be used.
Save These Instructions!
Conserver ce mode d’emploi
Pub.
OI-85264181139000
© SANYO 2009
01_STK-RCS-7TWSUA_EN.fm Page 2 Thursday, March 12, 2009 5:14 PM
CONTENTS
Page
PRODUCT INFORMATION ................................................................................................................ 2
ALERT SYMBOLS .............................................................................................................................. 2
INSTALLATION LOCATION ................................................................................................................ 2
ELECTRICAL REQUIREMENTS........................................................................................................ 2
SAFETY INSTRUCTIONS .................................................................................................................. 2
FEATURES ......................................................................................................................................... 3
REMOTE CONTROL UNIT................................................................................................................. 4
OPERATION WITH THE REMOTE CONTROL UNIT ........................................................................ 6
1. Automatic Operation (only for COOL/DRY/HEAT Model) .................................................... 6
2. Manual Operation ................................................................................................................ 6
3. Adjusting the Fan Speed ..................................................................................................... 7
4. Fan Only .............................................................................................................................. 7
5. Night Setback Mode ............................................................................................................ 7
SPECIAL REMARKS.......................................................................................................................... 7
SETTING THE TIMER........................................................................................................................ 8
USING THE 1-HOUR OFF TIMER ..................................................................................................... 9
ADJUSTING THE AIRFLOW DIRECTION ......................................................................................... 9
PRODUCT INFORMATION
If you have problems or questions concerning your wired
remote controller, you will need the following information.
Model No. __________________________________
Date of purchase _____________________________
Dealer’s address _____________________________
Phone number ________________
ALERT SYMBOLS
The following symbols used in this manual, alert you
to potentially dangerous conditions to users, service
personnel or the appliance:
This symbol refers to a hazard or unsafe
practice which can result in severe
personal injury or death.
CAUTION
ELECTRICAL
REQUIREMENTS
1. All wiring must conform to the local electrical codes.
Consult your dealer or a qualified electrician for details.
2. Each unit must be properly grounded with a ground (or
earth) wire or through the supply wiring.
3. Wiring must be done by a qualified electrician.
SAFETY INSTRUCTIONS
• Read this Instruction Manual carefully before using
this air conditioner. If you still have any difficulties
or problems, consult your dealer for help.
• This air conditioner is designed to give you
comfortable room conditions. Use this only for its
intended purpose as described in this Instruction
Manual.
• Never use or store gasoline or other
flammable vapor or liquid near the air
conditioner — it is very dangerous.
• This air conditioner has no ventilator
for intaking fresh air from outdoors.
You must open doors or windows
frequently when you use gas or oil
heating appliances in the same room,
which consume a lot of oxygen from
the air. Otherwise there is a risk of
suffocation in an extreme case.
This symbol refers to a hazard or unsafe
practice which can result in personal
injury or product or property damage.
INSTALLATION LOCATION
We recommend that this wired remote controller be
installed properly by qualified installation technicians
in accordance with the Installation Instructions
provided with the unit.
CAUTION
• Do not install this wired remote
controller where there are fumes or
flammable gases, or in an extremely
humid space such as a greenhouse.
• Do not install the wired remote
controller where excessively high
heat-generating objects are placed.
Avoid:
To protect the air conditioner from heavy corrosion, avoid installing
the outdoor unit where salty sea water can splash directly onto it or
in sulphurous air near a spa.
2
• Do not turn the air conditioner on and
off from the power mains switch. Use
the ON/OFF operation button.
• Do not stick anything into the air outlet
of the outdoor unit. This is dangerous
because the fan is rotating at high
speed.
• Do not let children play with the air
conditioner.
• Do not cool or heat the room too much
if babies or invalids are present.
OI-139-2-EG
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FEATURES
• Microprocessor Controlled Operation
• Automatic Restart Function for Power Failure
• 24-Hour ON or OFF Timer
• Automatic Switching between Cooling and Heating
(This function is available only for “Single use” of COOL/DRY/
HEAT Model.)
• 1-Hour OFF Timer
• Night Setback
• Hot Start Heating System
(This function is available only for COOL/DRY/HEAT Model.)
• Automatic and 3-step Fan Speed
• Air Sweep Control
NOTE
• Since the wired remote controller is designed to be commonly used for various air conditioners, some of the functions of the wireless
remote controller supplied with the indoor unit cannot be used.
• “Single use” means that only one indoor unit is connected with one outdoor unit in a one-unit-to-one-unit configuration.
• “Multiple use” (i.e. Flexi-Multi system) means that two or more indoor units are connected with one outdoor unit in a multiple-unit-to-one-unit
configuration.
REMOTE CONTROL UNIT (DISPLAY)
Displayed when indoor unit sensor
is in use
Displayed when operating NIGHT
SETBACK mode
Displayed when setting
temperature
Displayed when temperature is
shown
Displayed when setting timer
Symbols
(1) Operation mode
AUTO .....................................
(only for COOL/DRY/HEAT
Model)
HEAT ......................................
(only for COOL/DRY/HEAT
Model)
(3) Temperature setting
60 – 86 °F ..............................
When set to 80 °F
temperature indication ...........
(4) Timer
MILD DRY ..............................
24-hour clock with ON/OFF
program Timer .......................
COOL .....................................
ON Timer. ..............................
FAN ........................................
OFF Timer. ............................
(2) Fan speed
Automatic operation ...............
1-hour OFF Timer. .................
HIGH .....................................
(5) NIGHT SETBACK..................
MEDIUM.................................
(6) Flap angle indication..............
LOW .......................................
Sweep indication....................
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REMOTE CONTROL UNIT
NOTE
The descriptions on the AUTO (
“COOL/DRY Model.”
) or HEAT (
) operation mode are only for the “COOL/DRY/HEAT Model,” and not for the
Display
Information on the operating conditions is displayed while the remote control
unit is switched on. If the unit is turned off, only the mode that was set
previously is still displayed.
Temperature setting buttons (TEMP.)
Press the
button to increase the set temperature.
Press the
button to reduce the set temperature.
The temperature setting changes by 2 °F each time one of the TEMP. buttons
is pressed.
FAN SPEED selector button
: The air conditioner automatically decides the fan speeds.
: High fan speed
: Medium fan speed
: Low fan speed
NIGHT SETBACK button
For details, see “5. Night Setback Mode”. When you press this button in the
HEAT, DRY or COOL mode, the
mark appears in the display, and the
remote control unit will automatically adjust the set temperature to save
energy.
FLAP button
Press this button either to select the setting of the airflow direction to one of
the six possible positions manually or to select the sweep function which
moves the flap up and down automatically.
: The airflow direction can be set manually. (six positions)
: The flap moves up and down automatically.
NOTE
When you press the FLAP button, the air flow direction will be changed one by
one as follows.
SWEEP
Timer and Present Time setting buttons
First, press the SET button to select the mode (ON, OFF and Present Time
settings) you want.
Each time you press the ‘‘HH’’ button, the hours advance by one.
(PM0, PM1.....PM11, AM0, AM1.....AM11)
Each time you press the ‘‘MM’’ button, the minutes advance by one when
setting Present Time and by ten when setting ON and OFF Time.
ACL button (ALL CLEAR)
When you press the ACL button while the
operation button is ON, all settings are cleared.
Press the ACL button if the air conditioner is not
operating correctly.
SET button
For details, see ‘‘Setting the Timer’’.
Press this button to select the mode you want to program.
4
OI-139-4-EG
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ON/OFF operation button
This button is for turning the air conditioner on and off.
MODE selector button
Use this button to select AUTO, HEAT, DRY, COOL or FAN mode.
(AUTO)
: When this setting is selected, the air conditioner calculates the difference between the
thermostat setting and the room temperature and automatically switches to the ‘‘COOL’’ or
‘‘HEAT’’ mode as appropriate. (This function is available only for “Single use” of COOL/DRY/
HEAT Model.)
(HEAT)
(DRY)
(COOL)
(FAN)
: The air conditioner makes the room warmer.
: The air conditioner reduces the humidity in the room.
: The air conditioner makes the room cooler.
: The air conditioner works only as a circulation fan except for “Multiple use” of COOL/DRY/
HEAT Model.
1 HR. TIMER button (1-HOUR OFF TIMER)
: When you press this button, regardless of whether the unit is operating or stopping, the unit operates for
one hour and then shuts down.
TIMER SELECT button
No display : The timer does not operate.
:
The air conditioner starts at the set time.
:
The air conditioner stops at the set time.
:
The air conditioner stops and starts, or starts and stops, at the set times every day.
Sensor
A temperature sensor inside the remote control unit senses the room temperature.
SENSOR button
When you press this button (use a small-tipped object such as a ballpoint pen), the
mark will disappear at the
display. And the room temperature is detected by the sensor which is built into the remote control unit and the air
conditioner is controlled accordingly.
NOTE
If the remote control unit is located near a heat source, such as a space heater or in direct sunlight, press the
SENSOR button to switch to the sensor on the indoor unit.
NOTE
The indoor fan runs continuously when the system is in normal operation. It does not turn off when the desired room temperature is
reached. If Night Set Back mode is selected, the fan will turn off intermittently during cooling operation in order to control air flow.
OI-139-5-EG
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OPERATION WITH THE REMOTE CONTROL UNIT
1. Automatic Operation
(only for COOL/DRY/HEAT Model)
2. Manual Operation
• Single use
This unit automatically switches between cooling operation and
heating operation according to the difference between the room
temperature and the temperature setting.
• Multiple use
The air conditioner calculates the difference between the
thermostat setting and room temperature, and automatically
determines the mode to operate under cooling or heating. Then,
the air conditioner continuously operates under the mode selected
at initial operation.
STEP 2
STEP 3
STEP 1
STEP 4
STEP 5
NOTE
STEP 2
Check that the circuit breaker on the power panel is
turned on.
If the automatic operation settings of the unit do not
meet your needs, press the setting buttons as
described below and change the settings as desired.
STEP 1
STEP 1
NOTE
Press the MODE selector button
and select the desired mode.
For heating operation
→
For dehumidifying operation
→
For cooling operation
→
For fan only operation
→
(No Fan mode in “Multiple use” of
COOL/DRY/HEAT Model)
STEP 2
To start the air conditioner, press the ON/
OFF operation button.
STEP 3
Press the TEMP. setting buttons to change
the temperature setting to the desired
temperature.
Adjustable temperature range:
86 °F max.
60 °F min.
STEP 4
Set the FAN SPEED selector button to the
setting you want.
STEP 5
Press the FLAP button and set the airflow
direction as desired.
(Refer to “ADJUSTING THE AIRFLOW
DIRECTION” on page 9.)
To stop the air conditioner, press the ON/OFF
operation button again.
Check that the circuit breaker on the power panel is
turned on.
Once
mode is selected and the unit is preset by
following the steps below, you can have the air
conditioner automatically bring the room to the desired
temperature simply by pressing the ON/OFF operation
button.
STEP 1
Press the MODE selector button to
STEP 2
Press the ON/OFF operation button.
.
To stop the air conditioner, press the ON/OFF operation
button again.
NOTE
To change the temperature setting; press the
temperature setting buttons and change the setting to
the desired temperature.
NOTE
6
• Choose the best position in the room for the remote
control unit, which also acts as the sensor for room
comfort and transmits the operating instructions.
Once you’ve found this best position, always keep the
remote control unit there.
• This appliance has a built-in 5-minute time delay
circuit to ensure reliable operation. When the
operation button is pressed, the compressor will start
running within three minutes. In the event of power
failure, the unit will stop.
• The display on the remote control unit shows the
setting temperature and not the room temperature.
• When multiple indoor units are used and units in other
rooms are already operating, they will be operating
with the same mode as the operating indoor units.
(only for “Multiple use” of COOL/DRY/HEAT Model)
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3. Adjusting the Fan Speed
A. In Cooling and DRY Mode: (
A. Automatic fan speed
Simply set the FAN SPEED selector button to the
position.
This automatically sets the best fan speed for the room
temperature.
B. Manual fan speed
and
)
When the night setback mode is selected, the air conditioner
automatically raises the temperature setting 2 °F when 30 minutes
have passed after the selection was made, and then another 2 °F
after another 30 minutes have passed, regardless of the indoor
temperature when night setback was selected. This enables you
to save energy without sacrificing comfort. This function is
convenient when gentle cooling is needed.
If you want to adjust fan speed manually during operation,
just set the FAN SPEED selector button as desired. [
,
, or
]
4. Fan Only
Setting
temperature
STEP 2
STEP 3
STEP 1
If you want to circulate air without any temperature
control, follow these steps:
STEP 1
NOTE
Press the MODE selector button to switch to
the fan mode
.
STEP 2
Press the ON/OFF operation button.
STEP 3
Press the FAN SPEED selector button to
select the fan speed of your choice (
,
or
).
There is no FAN only function in “Multiple use” of
COOL/DRY/HEAT Model.
5. Night Setback Mode
Press the NIGHT
SETBACK button
2 °F
2 °F
30 min.
30 min.
Time
B. In Heating Mode: ( )
(only for COOL/DRY/HEAT Model)
When the night setback mode is selected, the air conditioner
automatically lowers the temperature setting 4 °F when 30
minutes have passed after the selection was made, and then
another 4 °F after another 30 minutes have passed, regardless of
the indoor temperature when night setback was selected. This
enables you to save energy without sacrificing comfort. This
function is convenient when gentle heating is needed.
Setting
temperature
4 °F
4 °F
Press the NIGHT
SETBACK button
30 min.
30 min.
Time
SPECIAL REMARKS
Power failure during operation
In the event of power failure, the unit will stop. When the power is
resumed within 8 hours, the unit will restart automatically in
approximately five minutes, or 15 minutes in “Multiple use” of COOL/
DRY/HEAT Model on AUTO mode by the remote control unit.
Remote Control Unit
The remote control unit sends the setting condition to the air
conditioner regularly at five minute intervals.
Remote Control Unit Display
If the display malfunctions, press the ACL button.
This resets the remote control unit back to the initial settings.
Make the settings again.
Night Setback Mode is used for saving energy.
Press the NIGHT SETBACK button while operation.
The
mark appears in the display.
To release the night setback function, press the NIGHT SETBACK
button again.
OI-139-7-EG
7
01_STK-RCS-7TWSUA_EN.fm Page 8 Thursday, March 12, 2009 5:14 PM
SETTING THE TIMER
3. How to set the ON time
(Example) To start operation at 7:10 am.
ON TIME
Present time
Operation
1. How to set the present time
Indication
1. Press the SET button once.
The timer
indication alone
flashes and the previous settime is only displayed.
2. • Press the HH button until
The display will change
automatically back to show the
present time after about 10 sec.
AM 7 is displayed.
• Press the MM button until
10 is displayed.
(Example) To set to 9:10 pm.
3. Press the TIMER SELECT
button once to set ON time.
The present time and
displayed.
are
To cancel the setting, press the TIMER SELECT button three times.
Operation
1. Press the SET button three
times.
2. • Press the HH button until
PM 9 is displayed.
• Press the MM button until
10 is displayed.
4. How to set daily ON/OFF repeat timer
Indication
(Example) To start operation at 7:10 am. and stop the air conditioner
at 11:30 pm.
The time indication alone
flashes.
The display will flash for 10 sec.
and automatically stop flashing
except for the “ : ” symbol.
2. How to set the OFF time
Present time
OFF TIME
ON TIME
Programmed
daily ON / OFF
(Example) To stop the air conditioner at 11:30 pm.
OFF TIME
Operation
Present time
9:10 pm.
Present time
Indication
1. Press the SET button twice.
The timer
indication alone
flashes and the previous settime is only displayed.
2. • Press the HH button until
The display will change
automatically back to show the
present time after about 10 sec.
PM 11 is displayed.
• Press the MM button until
30 is displayed.
3. Press the TIMER SELECT
button twice to set OFF time.
The present time and
displayed.
To cancel the setting, press the TIMER SELECT button twice.
7:10 am.
ON
Operation
Set the timer ON/OFF times as
shown in 2 and 3.
11:30 pm.
OFF
Indication
The present time PM 9:10 and
are displayed.
are
To cancel the setting, press the TIMER SELECT button once.
NOTE
You can check the timer ON/OFF times after you have set them by
pressing the SET button.
5. Backup function
Even if the main power supply to the unit is turned off, the remote
controller will store the previous settings in its internal memory for up
to 8 hours. If the power is not turned back on within 8 hours, the
previous settings will be lost. In this case, the mode settings must be
reset by the user.
8
OI-139-8-EG
01_STK-RCS-7TWSUA_EN.fm Page 9 Thursday, March 12, 2009 5:14 PM
USING THE 1-HOUR OFF
TIMER
1. 1-Hour OFF Timer
This function causes the unit to operate for one hour and then
stop, regardless of whether the unit is on or off when this
button is pressed.
The
indicator in the display indicates that this function is
operating.
Setting procedure:
Regardless of whether the unit is operating or stopped, press the 1
HR. TIMER button.
appears in the display.
Cancellation procedure:
Press the ON/OFF operation button to turn the unit off, wait for the
unit to stop operating, and then press the ON/OFF operation button
again.
The 1-Hour Timer function is now cancelled and the unit operates
normally.
NOTE
• If, while the 1-Hour Timer function is operating, the 1HR. TIMER
button is pressed once to cancel the function and then again, the
unit continues to operate for one hour from that point in time and
then stops.
• It is not possible to use the OFF Timer and 1-Hour OFF Timer
together. Whichever function is set last takes precedence. If the 1
HR. TIMER button is pressed while the TIMER OFF function
operates, the OFF Timer is cancelled and the unit will stop
operating one hour later.
2. Operation together with the daily ON/OFF
repeat timer
The 1-Hour OFF Timer setting is given priority over the DAILY ON/
OFF REPEAT setting.
OI-139-9-EG
ADJUSTING THE AIRFLOW
DIRECTION
The vertical airflow can be adjusted by moving the flap with the
remote control unit. Do not move the flap with your hands. Confirm
that the remote control unit has been turned on. Use the FLAP
button to set either the sweep function or one of the six airflow
direction settings.
A. Sweep function
The flap starts moving
up and down to deliver
air over the sweep
range.
B. Setting the airflow manually
SWEEP
Referring to the above
illustration, use the
COOL
FLAP button to set the DRY
airflow direction within
the range used during
the heating, cooling, or
dehumidifying
operation.
SWEEP
HEAT
FAN
NOTE
• The flap automatically closes when the unit is off.
• During the heating operation, the fan speed will be very low and the
flap will be in the horizontal position (position ) until the air being
blown out of the unit begins to warm. Once the air warms up, the
flap position and fan speed change to the settings specified with
the remote control unit.
CAUTION
• Use the FLAP button on the remote control unit to adjust the
position of the flap. If you move the flap by hand, the flap
position according to the remote control unit and the actual
flap position may no longer match. If this should happen,
shut off the unit, wait for the flap to close, and then turn on
the unit again; the flap position will now be normal again.
• Do not have the flap pointed down during cooling operation.
Condensation may begin to form around the air vent and drip
down.
9
APPENDIX E INSTALLATION INSTRUCTIONS
STK-RCS-7TWSUA
(OI-852-6-4190-481-00-1)
A-5
09-027 STK-RCS-7TWSUA
3/10/09
12:46 PM
Page 1
INSTALLATION INSTRUCTIONS
IMPORTANT
• In order to install this wired remote controller onto a wall-mounted model, the connection kit
(STK-KCW1), which must be purchased separately, is required.
• Once the wired remote controller is connected, the wireless remote controller cannot be used.
I Parts supplied with the remote controller
Table 1
Parts
See Table 1.
I Remote controller installation guidelines
Installation location
• Mount the remote controller 3.3 to 4.9 ft. (1 to 1.5
meters) off the floor where it can sense the average
temperature of the room.
• Do not mount the remote controller in a place
exposed to direct sunlight or where it is exposed to
outside air such as near a window.
• Do not mount the remote controller behind a curtain or
other object so that it is separated from the air circulation of the room.
• Mount the remote controller inside the room being air
conditioned.
Figure
Tapping
screws
Parts
Figure
Q'ty
26.2 ft. (8m)
Wired
remote
controller
Machine
screws
Q'ty
5/32 15/16"
(4 25mm)
5/32 15/16"
(4 25mm)
1
Wire
harness
1
2
Instruction
manual
1
2
Installation
Instructions
1
2
Spacers
Switching the room temperature sensor
Room temperature sensors are separately incorporated in both the indoor unit and the remote controller. Either sensor can
be used to sense the room temperature. The indoor unit sensor is usually used.
If you wish the remote controller to sense the room temperature, press the SENSOR button with a ballpoint pen or tool with
a small tip. (Refer to Fig. 9 on page 4 to locate the SENSOR button.)
I How to install the remote controller
IMPORTANT
• The remote controller is set to “Cool/Dry/Heat model” at
the time of shipment from the factory. If the purchased air
conditioner is a COOL/DRY model, follow the instructions
on the label and change the switch on the reverse side of
the remote controller unit to “Cool/Dry model”. (Fig. 1)
• The remote controller is also set to “Single” at the time of
shipment from the factory. For multiple use, set the
switch on the reverse side of the remote controller unit to
“Multi”. (Fig. 1)
• After all work is completed, if any switches have been
changed, then be sure to press the ACL (Reset) button.
(Refer to Fig. 9 on page 4 to locate the ACL (Reset) button.)
Fig. 1
85264190481001 © SANYO 2009
SANYO Commercial Solutions
A Division of SANYO North America Corporation
1300 Michael Drive, Suite A
Wood Dale, IL 60191, U.S.A.
In Canada
SANYO Canada Inc.
1-300 Applewood Crescent, Concord
Ontario, L4K 5C7, Canada
W
12:46 PM
Page 2
A. Installing with in-wall junction box
(1) Install the junction box (locally purchased) into the wall.
(Figs. 2-a and 3)
(2) Pass the wire harness through the junction box and
conduit. (Fig. 3)
(3) Insert a flathead screwdriver into the 5 tab locations
and disconnect the back plate of the remote controller by
lifting up slightly. (Fig. 2-b)
The tabs are thin; take care not to chip them.
(4) Pass the wire harness connector through the cord opening on the back plate of the remote controller.
Use nippers or a similar tool to cut out the slots for the
remote controller back plate screws. Insert the spacers
and use the machine screws to install the remote controller back plate. (Fig. 3)
(5) Insert the connector into the PCB of the remote controller
unit, and wrap the wire harness around the hook. (Fig. 4)
(6) Store the excess wire harness inside the junction box,
then hook the remote controller unit onto the top of the
back plate and install the remote controller unit.
(7) To remove the remote controller unit after it has been
installed, insert a flathead screwdriver into the slot on the
bottom of the case and turn it. (Fig. 5)
B. Installing directly onto the wall
(1) Insert a flathead screwdriver into the 5 tab locations and
disconnect the back plate of the remote controller by lifting up slightly. (Fig. 2-b)
The tabs are thin; take care not to chip them.
(2) Use tapping screws to directly fasten the remote controller back plate onto the wall. (Fig. 6)
(3) Insert the connector into the PCB of the remote controller
unit, and wrap the wire harness around the hook. (Fig. 4)
(4) Use nippers or a similar tool to cut out the slot on the top
of the remote controller unit. Pass the wire harness
through the slot, then hook the remote controller unit
onto the top of the back plate and install the remote controller unit.
(5) In order to conceal the exposed wiring, use a wire cover
(locally purchased) or similar means.
In-wall junction box (locally purchased)
4-3/16"
(106mm)
3/10/09
3-9/32"
(83.5mm)
09-027 STK-RCS-7TWSUA
Tab
2-3/8"
(60mm)
Back
plate
Fig. 2-a
Fig. 2-b
from the indoor unit
In-wall junction box
Wire harness
Opening
Wall
Back plate
Spacers
Machine
screws
Remote
controller
Fig. 3
PCB
Hook
Slot
Connector
Fig. 4
Fig. 5
NOTE
• When installing the remote controller back plate, be sure
that it is flat and straight. Do not over-tighten the installation screws.
Wire harness
Cut out
• Install the remote controller away from all sources of electrical noise.
• Install a noise filter or take other appropriate action if electrical noise affects the power supply circuit of the unit.
Wall
Back plate
Tapping
screws
Remote
controller
Fig. 6
2
12:46 PM
Page 3
I How to wire the remote controller
Ceiling
panel
(1) Turn OFF the power and remove the ceiling panel
air-intake grille. (Refer to 3-6-1 Before Installing the
Ceiling Panel in the Installation Instructions supplied
with the indoor unit.)
(2) Remove the 3 power box cover screws and 2 control
box cover screws, then remove both covers. At this
time, take care not to drop the covers. (Fig. 7)
(3) Disconnect the 7P (IND) terminal and 4P (RC) terminal of the 7P IND and 4P RC wiring connectors and
the 5P terminal of the 5P FLAP wiring connector
from the control box PCB connectors (IND, RC,
FLAP). Disconnect each wiring connector from the
clamp that fastens it. (Fig. 7)
(4) Remove the ceiling panel. (To remove the ceiling
panel, follow the steps for 3-6 How to Install the
Ceiling Panel in the reverse order. Refer to the
Installation Instructions supplied with the indoor unit.)
Ceiling
panel
5P FLAP
wiring connector
5P FLAP
wiring connector
7P IND and 4P RC
wiring connector
Control
box
cover
Power box cover
Indicator
Fig. 7
Fig. 8-a
Indicator
7P IND and 4P RC
wiring connector
7P IND and 4P RC
wiring connector
Clamps
Wire harness
Remote
controller
IND RC
3/10/09
FLAP
09-027 STK-RCS-7TWSUA
4P
7P
5P FLAP
wiring
connector
Control PCB
Putty
Terminal cover
Indicator
Wire harness
Wire harness
Clamping strap
Fig. 8
Fig. 8-b
(5) Remove the terminal cover screws, then remove the cover. At this time, take care not to drop the cover. (Fig. 8)
(6) Pull in the wire harness from the remote controller as shown in Fig. 8-b.
• Remove the putty before wiring. After wiring, make sure to restore the putty.
(7) Insert the wire harness 4P terminal into the control box PCB connector (RC). (Fig. 8-a)
(8) Install the terminal cover. Then install the ceiling panel. (Refer to 3-6 How to Install the Ceiling Panel in the
Installation Instructions supplied with the indoor unit.)
(9) Insert only the 7P (IND) terminal of the 7P IND and 4P RC wiring connector into the connector (IND) on the control
box PCB. Store the 4P terminal inside the control box. (Fig. 8-a)
(10) Next, insert the 5P terminal of the 5P FLAP wiring connector into the connector (FLAP) on the control box PCB.
(Fig. 8-a)
(11) When the connections are completed, fasten the wire harness and each wiring connector with the clamps.
(12) Install the power box cover and control box cover.
(13) Install the air-intake grille. (Refer to 3-6 How to Install the Ceiling Panel in the Installation Instructions supplied
with the indoor unit.)
3
09-027 STK-RCS-7TWSUA
3/10/09
12:46 PM
Page 4
I How to Test Run the Air Conditioner
After turning on the power of the air conditioner, use the
remote controller and follow the steps below to conduct
the test run.
(1) Set the remote controller in Test Run mode. (Fig. 9)
a)Press and hold the NIGHT SETBACK button and
the 1HR. TIMER button.
b)Then press and hold the ACL (Reset) button with
a pointed object such as the tip of a pen. After 5
seconds, release the ACL button first.
ON/OFF
operation button
NIGHT SETBACK
button
c) Then release the NIGHT SETBACK and 1HR.
TIMER buttons.
d)
appears and “oP-1” blinking in the remote
controller clock display area. (Fig. 10)
1 HR.TIMER
button
(2) Start Cooling mode test run by pressing the ON/OFF
operation button of the remote controller. (Fig. 9)
• This starts the fan producing uncooled forced air
with the 3 indicator lamps (OPERATION lamp,
TIMER lamp, and HIGH POWER lamp) on the
main unit blinking. (Fig. 11)
ACL (Reset)
button
SENSOR button
Fig. 9
• After 3 minutes, the system shifts into cooling
operation, and cool air will start to be felt. Cooling
mode test run is unaffected by the room temperature.
(3) Press the ON/OFF operation button of the remote
controller again to stop the test run. (Fig. 9)
(4) Finally press the ACL (Reset) button of the remote
controller to release it from Test Run mode to return
to normal mode. (Fig. 9)
Fig. 10
• “ ” and “oP-1” will disappear from the remote
controller clock display area.
NOTE
Troubleshooting:
In the event that the green OPERATION lamp is blinking upon powering up the system, an error condition
exists. In this case, refer to the self-diagnostics procedure which can be seen by opening the air-intake grille.
OPERATION button
IMPORTANT
OPERATION lamp
After the test run is completed, be sure to press the
ACL (Reset) button to return to normal mode. The air
conditioner will not operate correctly if this is not done.
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
Fig. 11
4
For Parts or Service Assistance please contact your local Sanyo HVAC Contractor or Distributor
United States: SCS, HVAC Solutions
Web: www.SanyoHVAC.com
Parts: [email protected]
Service: [email protected]
Canada: Sanyo Canada Inc.
Web: www.SanyoHVAC.com
Parts/Service: [email protected]
8/09 Printed in Japan
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