Samsung CH140EZM1C, CH140CAV User's manual

Samsung CH140EZM1C, CH140CAV User's manual
ENGLISH
Safety Precautions
(Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment.)
WARNING
• Always disconnect the air conditioner from the power supply before servicing it or
accessing its internal components.
• Verify that installation and testing operations are performed by qualified personnel.
• Verify that the air conditioner is not installed in an easily accessible area.
GENERAL INFORMATION
 Carefully read the content of this manual before installing the air conditioner and store the manual in a safe place in order to be
able to use it as reference after installation.
 For maximum safety, installers should always carefully read the following warnings.
 Store the operation and installation manual in a safe location and remember to hand it over to the new owner if the
air conditioner is sold or transferred.
 This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other types of units
with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be responsible for
damages arising from the use of non compliant units.
 The manufacturer shall not be responsible for damage originating from unauthorized changes or the improper connection of
electric and requirements set forth in the “Operating limits” table, included in the manual, shall immediately invalidate the warranty.
 The air conditioner should be used only for the applications for which it has been designed: the indoor unit is not suitable to be
installed in areas used for laundry.
 Do not use the units if damaged. If problems occur, switch the unit off and disconnect it from the power supply.
 In order to prevent electric shocks, fires or injuries, always stop the unit, disable the protection switch and contact SAMSUNG’s
technical support if the unit produces smoke, if the power cable is hot or damaged or if the unit is very noisy.
 Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations should be
performed by qualified personnel only.
 The unit contains moving parts, which should always be kept out of the reach of children.
 Do not attempt to repair, move, alter or reinstall the unit. If performed by unauthorized personnel, these operations may cause
electric shocks or fires.
 Do not place containers with liquids or other objects on the unit.
 All the materials used for the manufacture and packaging of the air conditioner are recyclable.
 The packing material and exhaust batteries of the remote control(optional) must be disposed of in accordance with current laws.
 The air conditioner contains a refrigerant that has to be disposed of as special waste. At the end of its life cycle, the air conditioner
must be disposed of in authorized centers or returned to the retailer so that it can be disposed of correctly and safely.
INSTALLING THE UNIT
IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines.
Always disassemble the electric lines before the refrigerant tubes.
 Upon receipt, inspect the product to verify that it has not been damaged during transport. If the product appears damaged,
DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized technician has
collected the material from the retailer.)
 After completing the installation, always carry out a functional test and provide the instructions on how to operate
the air conditioner to the user.
 Do not use the air conditioner in environments with hazardous substances or close to equipment that release free flames to avoid
the occurrence of fires, explosions or injuries.
POWER SUPPLY LINE, FUSE OR CIRCUIT BREAKER
 Always make sure that the power supply is compliant with current safety standards. Always install the air conditioner in compliance
with current local safety standards.
 Always verify that a suitable grounding connection is available.
 Verify that the voltage and frequency of the power supply comply with the specifications and that the installed power is sufficient
to ensure the operation of any other domestic appliance connected to the same electric lines.
 Always verify that the cut-off and protection switches are suitably dimensioned.
 Verify that the air conditioner is connected to the power supply in accordance with the instructions provided in the wiring
diagram included in the manual.
 Always verify that electric connections (cable entry, section of leads, protections…) are compliant with the electric specifications
and with the instructions provided in the wiring scheme. Always verify that all connections comply with the standards applicable
to the installation of air conditioners.
E-2
ENGLISH
Contents














Preparation for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deciding on where to install the indoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purging the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the refrigerant pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cutting/Flaring the pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performing leak test & insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drainpipe and drain hose installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the connection cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assigning address to indoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the safety net & air blocking kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specification & Product feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts list (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
5
7
8
9
10
11
12
14
15
16
16
17
21
E-3
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.
Avoid installing the air conditioner:
 In areas where it is exposed to direct sunlight. Close to heat sources.
 In damp areas or locations where it could come into contact with water.
(for example rooms used for laundry)
 In areas where curtains and furniture could affect the supply and discharge of air.
 Without leaving the required minimum space around the unit. (as shown in the
drawing)
 In scarcely ventilated areas.
 On surfaces that are unable to support the weight of the unit without deforming,
breaking or causing vibrations during the use of the air conditioner.
 In a position that does not enable the condensate drainage pipe to be correctly
installed. (at the end of the installation. It is always essential to check the efficiency
of the drainage system)
Accessories
 The following accessories are supplied with the indoor unit.
The type and quantity may differ depending on the specifications.
E-4
Pattern sheet
Insulation cover
drain
Insulation
Insulation cover
band
Insulation pipe
Insulation drain
hose
Cable-tie
Flexible hose
M4x12
tapped screw
Pad stopper
Safety net
M4x12
tapped screw
Installation
manual
ENGLISH
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)
Space requirements for indoor unit
CAUTION
Our units must be installed in compliance with the spaces indicated
in the installation manual to ensure either accessibility from both
sides or ability to perform routine maintenance and repairs. The
units’ components must be accessible and that can be disassembled
in conditions of complete safety either for people or things.
E-5
Deciding on where to install the indoor unit (Continued)
Drawing of the indoor unit
Unit : mm
860~690 (Ceiling opening)
950
766(Suspension)
860~690(Ceiling opening)
699(Suspension position)
950
5
6
3
840
260
290
25
242
246
305
4
1
208
Branch duct
connection
2
No.
1
2
3
4
5
6
Description
140
Name
Liquid pipe connection
Gas pipe connection
Drain pipe connection
Drain supply connection
Air discharge grille
Air suction grille
ø9.52(3/8")
ø19.05(3/4")
OD 32, ID 26
-
Dimension and weight
Net dimension
Net weight
Indoor unit
Panel size
Outdoor unit
Indoor unit+Panel
Outdoor unit
mm
kg
840X298X 840
950X 950X35
932 x 1128 x 375
29+7
105
1000mm
or more
Required
space
64
322
E-6
57
158
138
68
25
160
190
200
310
78Adjustable
57
57
840
41
298
457
57
Indoor unit installation
ENGLISH
It is recommended to install the refnet joint before installing the indoor unit.
1
Place the pattern sheet on the ceiling at the spot where you want to install
the indoor unit.
Note
2
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.
Insert bolt anchors, use existing ceiling supports or construct a suitable
support as shown in figure.
Concrete
Insert
3
Install the suspension bolts depending on the ceiling type.
CAUTION
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.
Hole in anchor
Hole in plug
Suspension bolt(M8)-field supply
If the length of suspension bolt is more than 1.5m,
it is required to prevent vibration.
Ceiling support
4
Screw eight nuts to the suspension bolts making space for hanging the
indoor unit.
CAUTION
5
Hang the indoor unit to the suspension bolts between two nuts.
Note
6
You must install all the suspension rods.
Piping must be laid and connected inside the ceiling when
suspending the unit. If the ceiling is already constructed,
lay the piping into position for connection to the unit before
placing the unit inside the ceiling.
Screw the nuts to suspend the unit. Cut a pad stopper and place it on the
bracket at this time.
Pad stopper
Bracket
7
Adjust the unit to the appropriate position considering the installation area
for the front panel.
7-1 Place the pattern sheet on the indoor unit.
7-2 Adjust a space between the ceiling and the indoor unit by using the gauge
of dimensions.
7-3 Fix the indoor unit securely after adjusting level of the unit by using a leveler.
7-4 Remove the pattern sheet, connect the other cables and install the front
panel.
Indoor unit
17mm
20mm
Ceiling
Gauge of
Dimensions
E-7
Purging the unit
From factory the unit is supplied and set with a pre-charge of nitrogen gas.
(insert gas) Therefore, all insert gas must be purged before connecting the
assembly piping.
Unscrew the pinch pipe at the end of each refrigerant pipe.
Liquid refrigerant
port
Gas refrigerant port
E-8
Result:
All inert gas escapes from the indoor unit.
Note
To prevent dirt or foreign objects from getting into the pipes
during installation, do NOT remove the pinch pipe completely
until you are ready to connect the piping.
ENGLISH
Connecting the refrigerant pipe
There are two refrigerant pipes of different diameters:
 A smaller one for the liquid refrigerant
 A larger one for the gas refrigerant
 The inside of copper pipe must be clean & has no dust.
1
Remove the pinch pipe 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
6.35 mm (1/4”)
9.52 mm (3/8”)
12.70 mm (1/2”)
15.88 mm (5/8”)
19.05 mm (3/4”)
Torque (N•m)
18
42
55
65
100
Refrigerant oil
Torque wrench
Spanner
Flare nut
Note
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
Do not use joints or extensions for the pipes that connect the indoor and
outdoor unit. The only permitted connections are those for which the units
are designed.
Union
CAUTION
 Connect the indoor and outdoor units using pipes with flared
connections(not supplied). For the lines, use insulated, unwelded,
degreased and deoxidized copper pipe,(Cu DHP type to ISO 1337),
suitable for operating pressures of at least 4200kPa and for a burst
pressure of at least 20700kPa. Copper pipe for hydro-sanitary
applications is completely unsuitable.
 For sizing and limits (height difference, line length, max. bends,
refrigerant charge, etc.) see the outdoor unit installation manual.
 All refrigerant connection must be accessible, in order to permit either
unit maintenance or removing it completely.
E-9
Cutting/Flaring the pipes
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.
Oblique
Rough
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)
6.35 mm (1/4”)
9.52 mm (3/8”)
12.70 mm (1/2”)
15.88 mm (5/8”)
19.05 mm (3/4”)
5
6
Flare nut
Depth (A)
1.3mm
1.8mm
2.0mm
2.2mm
2.2mm
Check that the flaring is correct, referring to the illustrations below for
examples of incorrect flaring.
Inclined
Valve
Burr
Damaged Surface
Cracked
Uneven Thickness
Align the pipes and tighten the flare nuts first manually and then with
a torque wrench, applying the following torque.
Valve cap
Pressure port cap
Valve needle
Pressure port
N•m Wrench(mm) N•m Wrench(mm) N•m
Wrench(mm) N•m Wrench(mm) N•m Wrench(mm)
1/4"
3/8"
1/2"
5/8"
3/4"
17
22
26
29
36
18
42
55
65
100
23
23
29
29
38
20
20
40
40
40
18
18
18
18
18
16~18
16~18
16~18
16~18
16~18
Allen(hex.) 5 9
Allen(hex.) 5 9
Allen(hex.) 5 13
Allen(hex.) 5 13
Allen(hex.) 5 13
-
0.34
0.34
0.34
0.34
0.34
CAUTION
In case of welding the pipe, you must weld with nitrogen gas blowing.
E-10
ENGLISH
Performing leak test & insulation
Leak test
To identify potential gas leaks on the indoor unit, inspect the connection
area of each refrigerant pipe using a leak detector for R22.
Before recreating the vacuum and recirculating the refrigerant gas, it is
advisable to pressurize the whole system with nitrogen (using a cylinder
with pressure reducer) at a pressure above 30 bar in order to immediately
detect leaks on the refrigerant fittings.
Made vacuum for 15 minutes and pressurising system with nitrogen.
CAUTION
Discharge all the nitrogen to create a vacuum and charge
the system.
Insulation
Once you have checked that there are no leaks in the system,
you can insulate the piping and hose.
1
Note
2
No gap
To avoid condensation problems, place T13.0 or thicker Acrylonitrile
Butadien Rubber separately around each refrigerant pipe.
Always make the seam of pipes face upwards.
Wind insulating tape around the pipes and drain hose avoiding to compress
the insulation too much.
NBR(T13.0 or thicker)
Insulation cover pipe
3
4
Insulation pipe
Finish wrapping insulating tape around the rest of the pipes leading to the
outdoor unit.
The pipes and electrical cables connecting the indoor unit with the outdoor
unit must be fixed to the wall with suitable ducts.
Indoor unit
Be sure to overlap
the insulation
CAUTION
Must fit tightly against body
without any gap.
CAUTION
All refrigerant connection must be accessible, in order to permit
either unit maintenance or removing it completely.
E-11
Drainpipe and drain hose installation
Flexible hose
Drain pipe
Drain hose port
Care must be taken when installing the drainpipe and drain hose for the
indoor unit so that condensate water is drained correctly outside.
1
Fix the flexible hose to the drainpipe.
 The connection port of the flexible hose and PVC drainpipe must be fixed
with PVC adhesives.
 Check out that the connected part doesn’t leak.
2
Connect the flexible hose to the flexible hose port.
 Make sure that a rubber ring is installed on the drain hose port.
3
Install the drainpipe as shortly as possible.
 Give a slightly slant to the drainpipe for proper drainage of condensate
water.
 There must be no gap on the connected part so that the drainpipe is not
separated from the flexible hose .
4
Insulate the drainpipe, and then fix it as indicated.
Insulation cover band
Insulation drainpipe
Insulation cover drain
Indoor
unit
Band(Not supplied)
Drain
hose
port
Flexible
hose
Band
Adhesives
Band
Drain hose
Be horizontal
Note
Indoor
Unit
If a concentrated drain hose is installed, refer to the figure below.
550mm or less
Main drainpipe
Max. 20mm
 Max. allowable axis gap
Indoor
Unit
Max. 30˚
 Max. allowable bending angle
E-12
Main air vent
Individual
air vent
 Flexible hose Installation
Indoor
Unit
1~1.5m
Hanger
Flexible hose
Centralized horizontal drainpipe
(more than 1/100 slope)
ENGLISH
CAUTION
Check that the indoor unit is level with the ceiling by using the leveler.
Air ventilation
If it is necessary to increase the height of the drainpipe,
install the drainpipe straightly within 300 mm from the
flexible hose port. If it is raised higher than 550 mm,
there can be water leaks. 300mm or less
20mm or more
Band joint
Flexible hose
Ceiling
Do not give the hose and upward gradient after the
connection port. This will cause water to flow backwards
when the unit is stopped, resulting in water leaks.
1/100 or more
550mm or less
Install air ventilation to drain condensate water smoothly.
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.
Under gradient
Support pieces
1~1.5m
1/100 or more
Ceiling
Ceiling
Testing the drainage
You should test the drainage after completing the installation.
Prepare a little water about 2.0 liters.
1
Turn the cover drain pump, then pull it out.
Cover drain pump
2
Pour water into the indoor unit as shown in figure.
Note
3
Confirm that the water flows out through the drain hose.
Note
4
If you do not pour water inside the water supply intake, water
may spill from the indoor unit.
You can check the drainage only when the air conditioner is in
cool mode.
Reassemble the cover drain pump.
E-13
Connecting the connection cord
CAUTION
 Always remember to connect the refrigerant pipes before performing the electric connections.
When disconnecting the system, always disconnect the electric cables before disconnecting the refrigerant pipes.
 Always remember to connect the air conditioner to the grounding system before performing
the electric connections.
The indoor unit is powered by the outdoor unit by means of a H07 RN-F
connection cable (or a more power model), with insulation in synthetic rubber
and jacket in polychloroprene(neoprene), in accordance with the requirements
of standard EN 60335-2-40.
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.
Wiring diagram
Indoor unit
1(L) 2(N)
Vc
Vc
F1
F2
V1
V2
F3
F4
Communication
Outdoor unit
1(L)
2(N)
L
N
L1
L2
L3
N
Power
Size of the cables used to interconnect the indoor and outdoor units.
Indoor-Outdoor units
Power(±10%)
Power cable
Max. Length
Power supply
220-240V~,50Hz
1.25mm2, 2wires
1Km
-
0.75~1.0mm2, 2wires
1Km
Communication
For connection cord, use the grade H07RN-F or H05RN-F materials.
E-14
Screws on terminal block must not be unscrewed with the torque less than 12 kgf•cm.
ENGLISH
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(SW04) rotary switches.
78
01
23
9
456
�����������
�����������
��������������
����
����
����
78
23
0
9 1
456
���������
��������
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 centralized control
and/or the centralized control.
5
If you install optional accessories such as the wired remote control,
centralized control, 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 SW05 DIP switch to “ON”
position in this case.
7
Set the MAIN address by adjusting the rotary switch(SW02) from 0 to 9. 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 “0”
�����������
�����������
��������������
����
����
����
78
23
0
9 1
456
���������
��������
E-15
Installing the safety net & air blocking kits
Safety net
The electric
component
box cover
Install the safety net after installing the connection cord and fixing electric
component box cover. For your safety, you must install the safety net.
For details about installing the panel, refer to the manual for the panel.
1
Uncover the wrap of safety net.
2
Fix the safety net to the electric component cover box with four screws as
indicated.
The safety net
CAUTION
The maintenance of this unit is normally done by qualified personnel,
as following a “Commercial product”. So, if manufacturer puts the
recommendation to do by qualified personnel, manufacturer can avoid
supplying safety net and screws to fix it. (cost reduction)
Put safety net as optional kit.
Air blocking kits
Insulation
1
When installing the unit depending on the situation, you can fill up the air
outlet(s) with one or more air blocking kits (not supplied). Then install the
insulation to block air completely.
Air blocking
kits
Technical Specification & Product feature
Model
CH140EZM1C
Capacity (Cooling and Heating)
Power input
Running current
Refrigerant
Fuse
13.0/14.0kW
0.08kW
0.20A
3750g
30A
Maximum installation height: up to 3.6m
Condensate discharge pump(built-in): Max. 750mm
Length of pipes and difference in height: see the outdoor unit installation manual
Vacuum and refrigerant charge: see the outdoor unit installation manual
E-16
ENGLISH
Troubleshooting
Detection of errors
 If an error occurs during the operation, one or more 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
LED lamp display
Abnormal conditions
Operation Defrost Timer Air flow Filter
X
Power reset
Error of temperature sensor
in the indoor unitt (Open/Short)
X
Error of heat exchanger sensor
in the indoor unit
X
X
X
X
X
X
X
X
X
Remarks
Error of the outdoor temperature sensor
X
Error of the condensor temperature sensor
X
X
Error of the discharge temperature sensor
1. No communication for 2 minutes
between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the
communication error from outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication
error from the outdoor unit, the
mismatching of the communication
numbers and installed numbers after
completion of tracking
X
X
X
1. Indoor unit error
(Display is unrelated with
operation)
2. Outdoor unit error
(Display is unrelated with
operation)
(Communication error for more than 2 minutes)
On
Flickering
X Off
 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
E-17
Troubleshooting (Continued)
LED Display
LED lamp display
Abnormal conditions
Operation Defrost Timer Air flow Filter
1. EVA sensor secession
2. Cond-mid sensor secession
3. Refrigerant leak
4. Cond high temperature 6th detection
5. Discharge 6th detection
X
X
Detection of the float switch
X
X
Error of setting option switches for
optional accessories
X
X
6. Comp down
7. 6th detection of high temperature cond
8. 6th detection of high temperature
discharge
9. Compressor down due to 6th detection
of freezing
X
EEPROM error
X
X
X
EEPROM option error
On
Flickering
X Off
 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
E-18
Remarks
ENGLISH
Wired remote control
 If an error occurs,
is displayed on the wired remote control.
If you would like to see an error code, press the Test button.
Display
Explanation
Remark
Indoor unit Communication Error
Indoor/Outdoor unit Communication Time Out Error
60 Packet Over data
Indoor unit is not connected
Communication Error
Communication Error between Outdoor Main and Inverter
Micom (Occurred after 1 minute detection in Main and Inverter)
Indoor Temp. Sensor (Open/Short Error)
Indoor Unit Eva in Sensor (Open/Short Error)
Indoor Sensor Error
Indoor Unit Eva in Sensor Separation
Outdoor Temp. Sensor Error (Open/Short Error)
COND Temp. Sensor Error (Open/Short Error)
Inverter Compressor Discharge Temp. sensor Error
(Open/Short Error)
Outdoor Sensor Error
Power cable miss connection error
Indoor Float S/W 2nd Detection
Outdoor unit - indoor unit communication wire miss connection
(Connected to Power terminal)
Outdoor unit refrigerant Full leakage (Gas leak)
Self Diagnosys Error
Outdoor Fan 1 Error
Outdoor Fan 2 Error
Discharge over temperature
[Inverter] Compressor starting error
Primary Current Over Trip error
[Inverter] DC PEAK error(O.C)
[Inverter] Compressor Rotation error
[Inverter] Current Sensor error
Outdoor Unit Protection
Control Error
[Inverter] DC LINK Sensor error
[Inverter] EEPROM Read/Write Error
[Inverter] Heatsink temperature over Error
Outdoor unit Capacity Setup option error
Communication error between Indoor unit and wired remote control
Communication error between Master and Slave wired remote control
COM1/COM2 Cross-installed error
Wired Remote Control Error
Error of setting option for wired remote control COM2
E-19
Troubleshooting (Continued)
Indoor unit
Display
Explanation
Indoor unit communication reception error
Communication error between the outdoor and indoor unit
Indoor unit temperature sensor (Short/Open)
Indoor unit Eva In sensor (Short/Open)
Indoor unit Eva Out sensor (Short/Open)
Indoor unit Eva In sensor secession
Indoor unit Eva Out sensor secession
Indoor Eva In and Out sensor secession error
Secondary(Electronic)heater sensor 1 error
Secondary(Electronic)heater sensor 2 error
Secondary(Electronic)heater sensor 3 error
Indoor Float S/W 2nd Detection
Indoor fan error
Mixed operation error
EEPROM error
EEPROM option setting error
Error regarding special sales taxes
Electronic heater discharge temperature protection error
Electronic heater windless error
Indoor unit number setting error(The outdoor unit informs the error)
E-20
ENGLISH
Parts list(Option)
Wired remote control accessories
Wired remote
control
Cable-tie
Cable clamp
Indoor unit power
M4x16
tapped screw drawing cable
1
2
5
7
1
Communication
cable of the wired
remote control
Wire joint
User's
manual
Installation
manual
1
1
1
1
Wireless remote control accessories
Wireless remote
control
Battery
1
2
STS 2S-2x10
Remote
control holder tapped screw
1
2
User's
manual
Installation
manual
1
1
E-21
Parts list (Option)(Continued)
Centralized control accessories
Centralized
control
Cable-tie
Cable clamp
M4x16
tapped screw
User's
manual
Installation
manual
1
2
5
7
1
1
Function control accessories
Function
control
Cable-tie
Cable clamp
M4x16
tapped screw
User's
manual
Installation
manual
1
2
6
7
1
1
Transmitter accessories
Transmitter
1
Note
Transmitter
Transmitter
power cable communication cable
1
1
Installation
manual
1
If you would like to install the centralized control,
you must install the transmitter in the outdoor unit.
7-day scheduler accessories
E-22
7-day
scheduler
Cable-tie
Cable clamp
M4x16
tapped screw
User's
manual
Installation
manual
1
2
2
4
1
1
ENGLISH
Memo
E-23
INSTALLATION
MANUAL
CH140EZM1C
System Air Conditioner
(Cooling and Heating)
E R DB98-30844A(1)
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