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INSTALLATION MANUAL
MANUAL DE INSTALACIÓN
MANUEL D’INSTALLATION
MANUALE D’INSTALLZIONE
MANUAL DE INSTALAÇÃO
INSTALLATIONS-HANDBUCH
E°XEIPI¢IO E°KATA™TA™H™
àçëíêìäñàü èé ìëíÄçéÇäÖ
HH105ECM
HH140ECM
HH175ECM
HH175EZM
Duct-type Air Conditioner (Cool & Heat)
Aire acondicionador Tipo Canal
(Enfriamiento & Calefacción)
Climatiseur de type Conduit (Refroidissement et Chauffage)
Ar Condicionado Tipo Conduto
(Refrigeração e Aquecimento)
Climatiseur de type Conduit (Refroidissement et Chauffage)
Ventiltype Klimaanlage
(Kühlen und Wärmen)
KÏÈÌ·ÙÈÛÙÈÎfi T‡Ô˘ AÂÚ·ÁˆÁÔ‡ (æ‡Í˘ Î·È £¤ÚÌ·ÓÛ˘)
ÇÓÁ‰Û¯Ì˚È äÓ̉ˈËÓÌ íÛ·ÌÓ„Ó íËÔ‡ (éı·ʉÂÌËÂ Ë é·Ó„‚)
E S F I P D G R DB98-08778A(3)
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Contents
Chapter
D
U C T
II II
N S T A L L A T II II O N
■ Preparation for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
■ Deciding on where to install the indoor unit . . . . . . . . . . . . . . . . .
5
■ Indoor unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
■ Purging the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
■ Connecting the indoor unit assembly piping . . . . . . . . . . . . . . . . .
9
■ Cutting/Flaring the pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
■ Performing leak tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
■ Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
■ Drain hose installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
■ Connecting the connection cord . . . . . . . . . . . . . . . . . . . . . . . . . . 14
■ Group control installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
■ Assigning address to indoor unit . . . . . . . . . . . . . . . . . . . . . . . . . 17
■ Additional functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
■ Increasing fan speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
■ Air filter installation (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
■ Drain pump installation (Optional) . . . . . . . . . . . . . . . . . . . . . . . . 22
■ Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter
O
P T II II O N A L
A
C C E S S O R II II E S
■ Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chapter
D
U U C TT
II II
N N S TT A LL LL A TT II II O N
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
Preparation for installation . . . . . . . . . . . . . . . . . . . . . 4
Deciding on where to install the indoor unit . . . . . . . . 5
Indoor unit installation . . . . . . . . . . . . . . . . . . . . . . . . . 7
Purging the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connecting the indoor unit assembly piping . . . . . . . . 9
Cutting/Flaring the pipes . . . . . . . . . . . . . . . . . . . . . . 10
Performing leak tests . . . . . . . . . . . . . . . . . . . . . . . . 11
Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Drain hose installation . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting the connection cord . . . . . . . . . . . . . . . . 14
Group control installation . . . . . . . . . . . . . . . . . . . . . . 16
Assigning address to indoor unit . . . . . . . . . . . . . . . 17
Additional functions . . . . . . . . . . . . . . . . . . . . . . . . . 19
Increasing fan speed . . . . . . . . . . . . . . . . . . . . . . . . 20
Air filter installation (Optional) . . . . . . . . . . . . . . . . . . 21
Drain pump installation (Optional) . . . . . . . . . . . . . . 22
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
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Preparation for installation
When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account.
General
Do NOT install the air conditioner in a location where it will come into contact with the following elements:
◆ Combustible gases
◆ Saline air
◆ Machine oil
◆ Sulphide gas
◆ Special environmental conditions
If you must install the unit in such conditions, first consult your dealer.
Accessories
◆ The following accessories are supplied with the indoor unit.
The type and quantity may differ depending on the specifications.
Owner’s
Instructions
OWNER’S IN STRUCTION
MANUAL DE
INSTRUCCI
S
ONES
ISTRUZIONI PER L’USO
MANUAL DE
INSTRU ˝ES
MANUEL D’U G
GEBRAUCH
SANWEISUN
Splut-type Room Air Conditioner
Aire acondicionado dom
Condizionatore d’aria per ambienti ad unit
Aparelho de ar condicionado tipo Split
Climatiseur de type s
Geteilte raumklimaanlage par
Separate
Installation
Manual
OWNER’S IN STRUCTION
MANUAL DE
INSTRUCCI
S
ONES
ISTRUZIONI PER L’USO
MANUAL DE
INSTRU ˝ES
TILISATION
MANUEL D’U G
GEBRAUCH
SANWEISUN
Splut-type Room Air Conditioner
Aire acondicionado dom stico sistema Split
Condizionatore d’aria per ambienti ad unit
Separate
Aparelho de ar condicionado tipo Split
Climatiseur de type s par
Pattern Sheet Drain Plug
Insulation Drain Insulation
Cover Pipe
Insulation pipe Insulation
Drain Pipe
Nut Rubber Cable-Tie Drain socket
Deciding on where to install the indoor unit
Indoor Unit
◆ There must be no obstacles near the air inlet and outlet.
◆ Install the indoor unit on a ceiling that can support its weight.
◆ Maintain sufficient clearance around the indoor unit.
◆ Make sure that the water dripping from the drain hose runs away correctly and safely.
◆ The indoor unit must be installed in this way, that they are out of public access. (Not touchable by the users)
◆ After connecting a chamber, insulate the connection part between the indoor unit and the chamber with t10 or thicker insulation. Otherwise, there can be air leak or dew from the connection part.
Space Requirements for Indoor Unit
1210mm x 433mm or more
(A space for repair and service)
You must have 5mm or more space between the ceiling and the bottom of indoor unit.
Otherwise, the noise from the vibration of indoor unit may bother the user.
When the ceiling is under construction, the hole for check-up must be made to take service, clean and repair the unit.
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5
Deciding on where to install the indoor unit (Cont.)
Drawing of the indoor unit
◆ The inside of ( ) is for HH105/140ECM models.
◆ The outside of ( ) is for HH175ECM/EZM models.
Unit : mm
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No.
4
5
6
7
8
1
2
3
Name
Liquid pipe connection
Gas pipe connection
Drain pipe connection
Drain pipe connection
Power supply connection
Air discharge flange
Air suction flange
Hook
Remark
ø9.52
ø19.05
For M8~M10
Indoor unit installation
1 Place the pattern sheet on the ceiling at the spot where you want to
N o tt tt install the indoor unit.
e
◆ Since the diagram is made of paper, it may shrink or stretch slightly due to temperature or humidity. For this reason, before drilling the holes maintain the correct dimensions between the markings; refer to page 6.
2 Insert bolt anchors. Use existing ceiling supports or construct a suitable support as shown in figure.
3 Install the suspension bolts depending on the ceiling type.
IM PORTANT Ensure that the ceiling is strong enough to support the weight of the indoor unit.
Before hanging the unit, test the strength of each attached suspension bolt.
4 Screw eight nuts to the suspension bolts making space for hanging the indoor unit.
IM PORTANT You must install the suspension bolts more than four when installing the indoor unit.
5 Hang the indoor unit to the suspension bolts between two nuts.
N o tt tt e
◆ Tubing must be laid and connected inside the ceiling when suspending the unit. If the ceiling is already constructed, lay the tubing into position for connection to the unit before placing the unit inside the ceiling.
6 Screw the nuts to suspend the unit.
7 Adjust level of the unit by using measurement plate for all 4 sides.
N o tt tt e
◆ For proper drainage of condensate, give a 10mm slant to the left or right side of the unit which will be connected with the drain hose, as shown in the figure. Make a tilt when you wish to install the drain pump, too.
Concrete
Hole in anchor
Hole in plug
Suspension bolt(M8)-field supply
Insert
Ceiling support
10mm
Rubber
Drain hose connection port
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Purging the unit
On delivery, the indoor unit is loaded with an inert nitrogen gas.
All this gas must therefore be purged before connecting the assembly piping. To purge the inert gas, proceed as follows.
Unscrew the caps at the end of each pipe.
Result: All inert gas escapes from the indoor unit.
N o tt e
◆ To prevent dirt or foreign objects from getting into the pipes during installation, do NOT remove the caps completely until you are ready to connect the piping.
Connecting the indoor unit assembly piping
There are two refrigerant pipes of different diameters:
◆ A smaller one(9.52mm, 3/8") for the liquid refrigerant
◆ A larger one(19.05mm, 3/4") for the gas refrigerant
◆ The thickness of tube should not less than 1.0mm.
◆ The inside of copper tube must be clean & has no dust.
The connection procedure for the refrigerant pipes varies according to the exit position of the pipes from the indoor unit, as seen when facing the indoor in the “A” side.
◆ Liquid refrigerant port
◆ Gas refrigerant port
◆ Drain hose connection port
◆ Drain pump hose connection port
1
N o tt tt
Remove the protection caps on the pipes and connect the assembly pipes to each pipe, tightening the nuts, first manually and then with a torque wrench, a spanner applying the following torque.
Outer Diameter
9.52 mm (3/8")
19.05 mm (3/4")
Torque (kgf•cm)
250~280
990~1210 e
◆ If the pipes must be shortened refer to page 10.
2 Must use insulator which is thick enough to cover the refrigerant tube to protect the condensate water on the outside of pipe falling onto the floor and the efficiency of the unit will be better.
3 Cut off any excess foam insulation.
4 Be sure that there must be no crack or wave on the bended area.
5 It would be necessary to double the insulation thickness (10mm or more) to prevent condensation even on the insulator when if the installed area is warm and humid.
6 Shape an oil trap as shown in figure the oil trap must be formed every level difference of 10m.
A
Gas refrigerant port
Drain pump hose connection port
Liquid refrigerant port
Drain hose connection port a. When the indoor unit is above the outdoor unit
Indoor unit
Outdoor unit b. When the outdoor unit is above the indoor unit
Outdoor unit
Oil trap(suction tube)
Indoor unit
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Cutting/Flaring the pipes
Connect the pipe within 50m and cutting pieces will not be gone into the pipe as being clean to pipe section.
1 Make sure that you have the required tools available (pipe cutter, reamer, flaring tool and pipe holder).
2 If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle with the side of the pipe.
Refer to the illustrations below for examples of edges cut correctly and incorrectly.
90 O
Oblique Rough Burr
3 To prevent any gas from leaking out, remove all burrs at the cut edge of the pipe, using a reamer.
4 Slide a flare nut on to the pipe and modify the flare.
Outer Diameter (D)
9.52 mm (3/8")
19.05 mm (3/4")
Depth (A)
1.8 mm
2.2 mm
5 Check that the flaring is correct, referring to the illustrations below for examples of incorrect flaring.
Inclined Damaged Surface Cracked Uneven Thickness
6 Align the pipes and tighten the flare nuts first manually and then with a torque wrench, applying the following torque.
Outer Diameter
9.52 mm (3/8")
19.05 mm (3/4")
Torque (kgf•cm)
250~280
990~1210
C A U T II II O N
◆
In case of welding the pipe, you must weld with nitrogen gas blowing.
Performing leak tests
Before completing the installation (insulation of the hose and piping), you must check that there are no gas leaks.
To check for gas leaks on the...
Then, using a leak detector, check the...
Indoor unit
Outdoor unit
Flare nuts at the end of sections A and B.
Valves on sections C and D.
B
A
C
D
Insulation
Once you have checked that there are no leaks in the system, you can insulate the piping and hose.
1 To avoid condensation problems, place heat-resistant polyethylene
foam separately around each refrigerant pipe.
N o tt tt e
◆ Always make the seam of pipes face upwards.
2 Wind insulating tape around the pipes.
No gap
3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit.
Heat resistant polyethylene foam
Insulation cover pipe
Insulation pipe
Body
Be sure to overlap the insulation
C A U T II II O N
Must fit tightly against body without any gap.
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Drain hose installation
Drain pump hose connection port
Drain hose connection port
Indoor
Unit
Cable-Tie
Insulation drain
Drain Socket Insulation drain pipe
C A U T II II O N
Must fit tightly against body without any gap.
Care must be taken when installing the drain hose for the indoor unit to ensure that any condensate water is correctly drained outside.
1 Install the drain hose so that its length can be as short as possible.
Internal diameter of the drain hose should be the same or slightly bigger than the external diameter.
N o tt e
◆ Give a 10mm slant to the drain hose for proper drainage of condensate ; refer to page 7.
◆ Secure the drain hose with the cable-tie not to be separated from the unit.
◆ Never remove the rubber cap located on the drain pump hose connection port. The drain pump hose connection port is used only when installing an optional drain pump.
2 Wrap the drain hose with the insulation drain pipe, the insulation drain as shown in figure and secure them.
C A U T II II O N
When not installing the drain pump
Do not give the hose upward gradient after the connection port.
This will cause water to flow backwards when the unit is stopped, resulting in water leaks.
Upward gradient
When installing the drain pump
The maximum height of drain pump hose is
75cm or less. If it is raised higher than 75cm, there can be water leaks.
75cm or less
Ceiling
Ceiling
Do not apply force to the piping on the unit side when connecting the drain hose. The hose should not be allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as possible.
Support pieces
Ceiling
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12
Testing the drainage
Prepare a little water about 5 liters.
1 Pour water into the base pan in the indoor unit as shown in figure.
2 Confirm that the water flows out through the drain hose.
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Connecting the connection cord
The indoor unit is powered from the outdoor unit via the connection cord.
1 Remove the screw on the electrical component box and remove the cover plate.
2 Route the connection cord through the side of the indoor unit and connect the cable to terminals; refer to the figure below.
3 Route the other end of the cable to the outdoor unit through the ceiling & the hole on the wall.
4 Reassemble the electrical component box cover, carefully tightening the screw.
Between Indoor and Outdoor Connection Cord
Specifications
Power Supply (Single Phase)
Power Supply Max/Min(V) Connection Wire
Earth Cable
Communication
Cable
220-240V~
/50Hz
±10%
2.0mm
2
(H07RN-F,
3G)
Ø 1.6mm
(2 wires)
0.75~
1.25mm
2
(H07RN-F,
2 wires)
Home server
0.75~
1.25mm
2
(2 wires)
C A U T II II O N
◆ Keep the power cable and the connection cord in a steel pipe to protect them against liquids, outside impacts and so on.
Wiring and Communication Cable Connection
Connect the power cable, which is connected with the outdoor unit and supplied by another source, making sure that the power cable terminal should not be changed. Since the communication cable has the polarities, be careful to connect the terminal of F1, F2 and FA, FB rightly.
Indoor Unit
Receiver &
Display Unit
(Optional)
MAIN PCB
Float Switch
Drain Pump
(Optional)
1(L) 2(N) Vc Vc Vw Vw FA FB F1 F2 V1 V2
Communication
Between Indoor
Units(Use for
Group Control)
Transmitter
(Optional)
Centralized
Controller
(Optional)
Wired Remote
Controller
(Optional)
1(L) 2(N)
Indoor
Power
Terminal
Outdoor Unit
Between Indoor and Outdoor
Communication
Terminal
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Group control installation
Master Indoor Unit
K9 K10 K11 K12
Slave Indoor Unit
K9 K10 K11 K12
Group Control
The group control can control 16 rooms(64 indoor units/standard) with a wired controller. When a whole unit is operating, each unit operates in the same mode(such as mode settings and the fan speed, etc.).
To control each unit separately, you can control it with the centralized controller or PC controller(S-Net) too. However, the group control and the separate control can' t be operated at the same time.
Group Control Installation
1 Connect the power cable (F1, F2 and FA, FB) between indoor units.
2 Set the optional switch(SW05).
N o tt e
◆ Set the set you want to control as Master. (Set only a set of 16 rooms)
◆ Set the optional switch(K9) of the indoor unit to do a group control as OFF.
◆ Set the indoor unit as Master and then set its optional switch(K10) as OFF.
Indoor unit
Switch No.
Master
Indoor unit
Slave
Indoor Unit
Function
K9
K10
OFF
OFF
OFF
ON
Set during the group control
Set Master indoor unit during the group control
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Assigning address to indoor unit
1 Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.
2 The address of the indoor unit is assigned by adjusting MAIN(SW02) and
RMC(SW01) rotary switches.
K1 K2 K3 K4
SW03
K5 K6 K7 K8
SW04
K9 K10 K11 K12
SW05
SW02 MAIN SW01 RMC
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Assigning address to indoor unit (Cont.)
3 The MAIN address is for communication between the indoor unit and the outdoor unit. Therefore, you must set it to operate the air conditioner properly.
4 It is required to set the RMC address if you install the wired remote controller and/or the centralized controller.
5 If you install optional accessories such as the wired remote controller, centralized controller, etc. see an appropriate installation manual.
6 If an optional accessory is not installed, you do not have to set the RMC address. However, adjust K1 and K2 switches of the SW03 DIP switch to "ON" position in this case.
7 Set the MAIN address by adjusting the rotary switch(SW02) from 0 to F. Each indoor unit connected to the same outdoor unit must have different address.
i. e. If an indoor unit does not have an optional accessory and its MAIN address is "4"
K1 K2 K3 K4
SW03
K5 K6 K7 K8
SW04
K9 K10 K11 K12
SW05
SW02 MAIN SW01 RMC
Additional functions
Compensation for lost temperature in heating operation
◆ Reduces the difference between an actual room temperature and a sensed temperature by the air conditioner when heating.
Switch No.
K5
Switch ON
2°C compensation
Switch OFF
5°C compensation
K5 K6 K7 K8
SW04
Adjusting filter cleaning cycle
◆ You can adjust the cycle for filter sign indicator.
Switch No.
K6
Switch ON
1000 hours
Switch OFF
2000 hours
K5 K6 K7 K8
SW04
Hot water heater
◆ You must adjust the K7 when you install the hot water heater.
Switch No.
K7
Switch ON
No use of hot water heater
Switch OFF
Use of hot water heater
K5 K6 K7 K8
SW04
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19
Increasing fan speed
K1 K2 K3 K4
SW03
Range of static pressure
Model
External static pressue(mmAq)
Min.
Normal Max.
HH105ECM
HH140ECM
HH175ECM
HH175EZM
8 14 20
Without air filter
25
HH105ECM
20
15
10
HH
Maximum Air Flow
5
Minimum Air Flow
0
10 15 20 25 30 35 40 45
Air Flow (m 3 /min)
If external static pressure is too great(due to long extension of ducts, for example), the air flow volume may drop too low at each air outlet.
This problem can be solved by increasing the fan speed using the following procedure.
Switch No.
Switch Position Function
K3
ON
OFF
Normal speed
High speed
How to Read Diagram
1 The vertical axis is the external static pressure(mmAq) while the horizontal axis represents the AIR FLOW(m 3 /min).
2 The characteristic curves for ‘HH’, ‘H’, ‘Med’, and ‘Low’ fan speed controller are shown.
3 The nameplate values are shown based on the ‘H’ air flow.
4 If external static pressure is too great, the air flow volume may drop too low as explained above.
N o tt tt e
◆ HH : DIP Switch OFF position(High speed)
H : At shipment(Normal speed)
Without air filter
25
HH140ECM
20
15
10
HH
5
0
20 25 30 35
Air Flow (m 3 /min)
40 44
Without air filter
25
HH175ECM/175EZM
20
15
10
Maximum Air Flow
5
Minimum Air Flow
0
15 20 25 30 35 40 45 50 55 60
Air Flow (m 3 /min)
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Air filter installation (Optional)
Accessories
Air Filter (1) TH M4 X 12 Tapped
Screw (18)
1 Remove the air inlet duct flange.
2 Attach the air filter kit to the air inlet side of indoor unit.
3 To clean the air filter, remove the fixing bracket on the base of air filter kit, then pull out the filter.
C A U T II II O N
◆ The optional kits must be installed by an installation specialist.
◆ Before installing the optional kits, ensure that you have turned off the main power.
◆ The optional air filter has to be cleaned only by an authorized person or service agent.
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Drain pump installation (Optional)
Accessories
Drain Pump and
Float Switch (1)
M4 X 12 Tapped
Screw (4)
Cable-Tie (3) Insulation Drain (2)
;;;;
Drain Hose (1)
;;;;
;;;;
1 Open the side of indoor unit.
Drain pump
Drain pump hose
Must fit tightly against body without any gap.
Insulation
Cable-tie
Drain pump hose port
Drain pump hose
Drain pump
Indoor unit
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22
2 Screw the drain pump with two screws.
N o tt e
◆ When installing the drain pump, leave a 7mm space between the bottom of the drain pan and the drain pump.
3 Connect the drain hose to the drain socket.
N o tt e
◆ Wrap the drain tube outlet with an insulating materials.
4 Install the drain hose so that its length can be as short as possible.
Internal diameter of the drain hose should be the same or slightly bigger than the external diameter of the drain port.
N o tt tt e
◆ Give a slant to the drain hose for proper drainage of condensate.
◆ Insulate the drain hose, then secure it with the cable-tie not to be separated from the unit.
5 Connect the cable to the electrical component box as shown at the figure.
N o tt tt e
◆ Connect the drain pump cable to yellow terminal(CN74) and the float switch to black terminal(CN51).
Must fit tightly against body without any gap.
Cable-tie
Indoor unit Drain hose Insulation
Drain pump hose port
Drain pump Float switch
6 Adjust K4 DIP switch(SW03) to the "OFF" position.
N
Switch No.
K4 o tt tt e
Switch Position
ON
OFF
Using Drain Pump
X
O
◆ Wrap the drain tube outlet on the right and left side of the indoor unit with an insulating materials.
C A U T II II O N
◆ The optional kits must be installed by an installation specialist.
◆ Before installing the optional kits, ensure that you have turned off the main power.
K1 K2 K3 K4
SW03
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Troubleshooting
Detection of errors
◆ If an error occurs during the operation, an LED flickers and the operation is stopped except the LED.
◆ If you re-operate the air conditioner, it operates normally at first, then detect an error again.
LED Display on the receiver & display unit
LED Display
Concealed Type
Indicators
Abnormal conditions Operating
Blue Red
Standard Type
Power reset
Error of temperature sensor in indoor unit
(OPEN/SHORT)
Error of heat exchanger sensor in indoor unit(OPEN/SHORT)
Error of outdoor temperature sensor
Error of COND sensor
Error of DISCHARGE sensor
(OPEN/SHORT)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Displayed on appropriate indoor unit which is operating
Displayed on appropriate indoor unit which is operating
Displayed on appropriate indoor unit which is operating
Displayed on outdoor unit
1. No communication for 2 minutes between indoor unit and outdoor unit
(communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from outdoor unit
3. Outdoor unit tracking 3 minute error
4. When sending the communication error from outdoor unit the mismatching of the communication numbers and installed numbers after completion of tracking.
(communication error for more than
2 minutes)
X X X
1. Error of indoor unit: Displayed on the indoor unit regardless of operation
2. Error of outdoor unit:
Displayed on the indoor unit which is operating
●
On Flickering X Off
◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
◆ If you re-operate the air conditioner, it operates normally at first, then detect an error again.
LED Display
Abnormal conditions
Concealed Type
Indicators
Blue Red
Standard Type
Operating
1. Communication error between indoors
(Communication error for more than 2 minutes)
2. Slave of indoor unit tracking error
1. 2nd detection of high temperature
COND
2. 2nd detection of high temperature
DISCHARGE
3. Error of reverse phase
Error of float switch
Error of setting option switches for optional accessories
EEPROM error
EEPROM option error
X
X
X
X
X
X
X
X
X
X
X
X
X
Error of indoor unit: Displayed on the indoor unit regardless of operation
Displayed on appropriate indoor unit which is operating
Displayed on outdoor unit
●
On Flickering X Off
◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
◆ If you re-operate the air conditioner, it operates normally at first, then detect an error again.
E-
25
E-
26
Troubleshooting (Cont.)
Wired remote controller
◆ If an error occurs, is displayed on the wired remote controller.
◆ If you would like to see an error code, press the Test button.
Display x x x x x x
Explanation
Error of communication between the outdoor unit and the wird remote controller
Error of communication between the indoor unit and the wired remote controller
Error of float switch
OPEN/SHORT error of room sensor in indoor unit
OPEN/SHORT error of eva in sensor in indoor unit
EEPROM error
EEPROM option error
Error of fan starting
Remark
Communication errors
Displays related to indoor unit
(x : 0~F)
Error of outdoor unit
For the details, refer to the installation manual of the outdoor unit.
The order of priority : EA
→ Eb → ox → qx → rx → tx → Ux → vx → Eo
- In case that the same error displays from multi-indoor units, the one having the faster address has the priority.
Chapter
O
P T II II O N A L
A
C C E S S O R II II E S
■ Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
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27
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28
Parts list
Receiver & Display Unit Accessories
Concealed Type
◆ Receiver & display unit
Receiver & display unit
STS 2S-2x10 2S-4x12 tapped screw tapped screw
1 4 2
Owner’s instructions
1
Installation manual
1
◆ Wire kit
Wire kit
(length 10m)
1
Standard Type
◆ Receiver & display unit
Receiver & display unit
M4x16 tapped screw
1 7
Cable-tie
2
Cable clamp
5
Owner’s instructions
1
Installation manual
1
◆ Wire kit
Wire kit
(length 10m)
1
Wireless Remote Controller Accessories
Wireless remote controller
1
Battery
2
Remote control holder
1
STS 2S-2x10 tapped screw
Owner’s instructions
2 1
Installation manual
1
Wired Remote Controller Accessories
Wired remote controller
1
Cable-tie
2
Cable clamp
6
M4x16 tapped screw
Indoor unit power drawing cable
7 1
Owner’s instructions
1
Installation manual
1
Centralized Controller Accessories
Centralized controller
1
Cable-tie
2
Cable clamp
5
M4x16 tapped screw
7
Owner’s instructions
1
Installation manual
1
Function Controller Accessories
Function controller
1
Cable-tie
2
Cable clamp
6
M4x16 tapped screw
7
Owner’s instructions
1
Installation manual
1
Transmitter Accessories
Transmitter
1
Transmitter power cable
Transmitter communication cable
1 1
Installation manual
1
N o tt tt e ◆ If you would like to install the centralized controller, you must install the transmitter in the outdoor unit.
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THIS AIR CONDITIONER IS MANUFACTURED BY:
ESTE AIRE ACONDICIONADO HA SIDO FABRICADO POR:
CE CLIMATISEUR EST FABRIQUE PAR:
QUESTO CONDIZIONATORE D’ARIA È PRODOTTO DA:
ESTE APARELHO DE AR CONDICIONADO É FABRICADO POR:
DIESE KLIMAANLAGE IST FABRIZIERT VON:
AYTH H ™Y™KEYH KATA™KEYA™THKE A¶O:
ùíéí äéçÑàñàéçÖê àáÉéíéÇãÖç îàêåéâ:
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Table of contents
- 2 Cutting/Flaring the pipes
- 3 Performing leak tests
- 3 Insulation
- 4 Drain hose installation
- 6 Connecting the connection cord
- 8 Group control installation
- 9 Assigning address to indoor unit
- 11 Additional functions
- 12 Increasing fan speed
- 13 Air filter installation (Optional)
- 14 Drain pump installation (Optional)
- 16 Troubleshooting
- 20 Parts list
- 4 Preparation for installation
- 5 Deciding on where to install the indoor unit
- 7 Indoor unit installation
- 8 Purging the unit
- 9 Connecting the indoor unit assembly piping
- 10 Cutting/Flaring the pipes
- 11 Performing leak tests
- 11 Insulation
- 12 Drain hose installation
- 14 Connecting the connection cord
- 16 Group control installation
- 17 Assigning address to indoor unit
- 19 Additional functions
- 20 Increasing fan speed
- 21 Air filter installation (Optional)
- 22 Drain pump installation (Optional)
- 24 Troubleshooting