General Climate GC-S05CR User manual

Climatic Control Corporation Wall-Mounted Split Type
Service manual
Room air conditioner
Split Wall-Mounted Type
GC/GU-S05CR
GC/GU-S07CR
GC/GU-S09CR
GC/GU-S12CR
GC/GU-S18CR

www.generalclimate.com Wall-Mounted Split Type
Content
1. Precaution....................................................................................................................1
1.1 Safety Precaution ...................................................................................................................... 1
1.2 Warning ..................................................................................................................................... 1
2. Function .......................................................................................................................3
3. Dimension ....................................................................................................................5
3.1 Indoor unit.................................................................................................................................. 5
3.2 Outdoor unit ............................................................................................................................... 6
4. Specification ................................................................................................................7
5. Refrigerant cycle diagram...........................................................................................9
6. Operation limits .........................................................................................................10
6.1 Cooling operation..................................................................................................................... 10
6.2 Heating operation .................................................................................................................... 10
7. Schematic diagram and Wiring diagram ................................................................. 11
7.1 Schematic diagram ...................................................................................................................11
7.2 Wiring diagram......................................................................................................................... 12
8. Installation details......................................................................................................15
8.1 Wrench torque sheet for installation......................................................................................... 15
8.2 Connecting the cables ............................................................................................................. 15
8.3 Pipe length and the elevation...................................................................................................15
8.4 Air purging of the piping and indoor unit .................................................................................. 16
8.5 Pumping down (Re-installation) ............................................................................................... 17
8.6 Re-air purging (Re-installation) ................................................................................................18
8.7 Balance refrigerant of the 2-way, 3-way valves........................................................................ 19
8.8 Evacuation ............................................................................................................................... 20
8.9 Gas charging ........................................................................................................................... 21
9. Capacity table ............................................................................................................22
9.1 GC/GU-S05CR ........................................................................................................................ 22
9.2 GC/GU-S07HR ........................................................................................................................ 22
9.3 GC/GU-S09HR ........................................................................................................................ 23
9.4 GC/GU-S12HR ........................................................................................................................ 23
9.5 GC/GU-S18HR ........................................................................................................................ 24
10. Electronic function....................................................................................................25
10.1 Electronic control working environment ................................................................................... 25
10.2 Proper symbols and their meaning .......................................................................................... 25
10.3 Function ................................................................................................................................... 25
10.4 Protection................................................................................................................................. 26
10.5 Fan-only mode......................................................................................................................... 26
10.6 Cooling mode........................................................................................................................... 26
10.7 Dehumidifying mode ................................................................................................................ 27
10.8 Heating mode .......................................................................................................................... 28
10.9 Defrosting mode(available for heating mode) .......................................................................... 29

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10.10 Auto mode ............................................................................................................................... 30
10.11 Force cooling function.............................................................................................................. 31
10.12 Sleep mode.............................................................................................................................. 31
10.13 Auto restart function................................................................................................................. 32
10.14 Anion (optional)........................................................................................................................ 32
11. Model and Parameters .............................................................................................. 33
12. Troubleshooting.........................................................................................................34
12.1 Display board........................................................................................................................... 34
12.2 Troubleshooting ....................................................................................................................... 35
12.3 Diagnostic chart ....................................................................................................................... 36
12.4 Resetting phenomenon often occurs during operation............................................................. 37
12.5 Operation lamp flashes and Timer lamp off. ............................................................................ 37
12.6 Operation lamp flashes and Timer lamp on. ............................................................................ 37
12.7 Operation lamp off and Timer lamp flashes ............................................................................. 38
12.8 Operation lamp on and Timer lamp flashes ............................................................................. 38
12.9 Operation lamp flashes, Timer lamp flashes . .......................................................................... 38
13. Characteristic of temperature sensor......................................................................39

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1. Precaution
1.1 Safety Precaution
To prevent injury to the user or other people and property damage, the following instructions must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage.
Before service unit, be sure to read this service manual at first.
1.2 Warning
¾Installation
Do not use a defective or underrated circuit breaker.
Use this appliance on a dedicated circuit.
There is risk of fire or electric shock.
For electrical work, contact the dealer, seller, a
qualified electrician, or an Authorized service center.
Do not disassemble or repair the product, there is risk
of fire or electric shock.
Always ground the product.
There is risk of fire or electric shock.
Install the panel and the cover of control box
securely.
There is risk of fire of electric shock.
Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric
shock.
Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
Do not modify or extend the power cable.
There is risk of fire or electric shock.
Do not install, remove, or reinstall the unit by
yourself (customer).
There is risk of fire, electric shock, explosion, or injury.
Be caution when unpacking and installing the
product.
Sharp edges could cause injury, be especially careful of
the case edges and the fins on the condenser and
evaporator.
For installation, always contact the dealer or an
Authorized service center.
There is risk of fire, electric shock, explosion, or injury.
Do not install the product on a defective installation
stand.
It may cause injury, accident, or damage to the product.
Be sure the installation area does not deteriorate
with age.
If the base collapses, the air conditioner could fall with it,
causing property damage, product failure, and personal
injury.
Do not let the air conditioner run for a long time
when the humidity is very high and a door or a
windows is left open.
Moisture may condense and wet or damage furniture.
Take care to ensure that power cable could not be
pulled out or damaged during operation.
There is risk of fire or electric shock.
Do not place anything on the power cable.
There is risk of fire or electric shock.
Do not plug or unplug the power supply plug during
operation.
There is risk of fire or electric shock.
Do not touch (operation) the product with wet hands.
There is risk of fire or electric shock.
Do not place a heater or other appliance near the
power cable.
There is risk of fire and electric shock.
Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric shock.
Do not store or use flammable gas or combustible
near the product.
There is risk of fire or failure of product.
Do not use the product in a tightly closed space for a
long time.
Oxygen deficiency could occur.
When flammable gas leaks, turn off the gas and open
a window for ventilation before turn the product on.
Do not use the telephone or turn switches on or off.
There is risk of explosion or fire.
If strange sounds, or small or smoke comes from
product. Turn the breaker off or disconnect the
power supply cable.
There is risk of electric shock or fire.
Stop operation and close the window in storm or
hurricane. If possible, remove the product from the
window before the hurricane arrives.
There is risk of property damage, failure of product, or
electric shock.
Do not open the inlet grill of the product during
operation. (Do not touch the electrostatic filter, if the
unit is so equipped.)

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There is risk of physical injury, electric shock, or product
failure.
When the product is soaked (flooded or submerged),
contact an Authorized service center.
There is risk of fire or electric shock.
Be caution that water could not enter the product.
There is risk of fire, electric shock, or product damage.
Ventilate the product from time to time when
operating it together with a stove, etc.
There is risk of fire or electric shock.
Turn the main power off when cleaning or
maintaining the product.
There is risk of electric shock.
When the product is not be used for a long time,
disconnect the power supply plug or turn off the
breaker.
There is risk of product damage or failure, or unintended
operation.
Take care to ensure that nobody could step on or fall
onto the outdoor unit.
This could result in personal injury and product damage.
¾CAUTION
Always check for gas (refrigerant) leakage after
installation or repair of product.
Low refrigerant levels may cause failure of product.
Install the drain hose to ensure that water is drained
away properly.
A bad connection may cause water leakage.
Keep level even when installing the product.
To avoid vibration of water leakage.
Do not install the product where the noise or hot air
from the outdoor unit could damage the
neighborhoods.
It may cause a problem for your neighbors.
Use two or more people to lift and transport the
product.
Avoid personal injury.
Do not install the product where it will be exposed to
sea wind (salt spray) directly.
It may cause corrosion on the product. Corrosion,
particularly on the condenser and evaporator fins, could
cause product malfunction or inefficient operation.
¾Operational
Do not expose the skin directly to cool air for long
periods of time. (Do not sit in the draft).
This could harm to your health.
Do not use the product for special purposes, such as
preserving foods, works of art, etc. It is a consumer
air conditioner, not a precision refrigerant system.
There is risk of damage or loss of property.
Do not block the inlet or outlet of air flow.
It may cause product failure.
Use a soft cloth to clean. Do not use harsh
detergents, solvents, etc.
There is risk of fire, electric shock, or damage to the
plastic parts of the product.
Do not touch the metal parts of the product when
removing the air filter. They are very sharp.
There is risk of personal injury.
Do not step on pr put anything on the product.
(outdoor units)
There is risk of personal injury and failure of product.
Always insert the filter securely. Clean the filter
every two weeks or more often if necessary.
A dirty filter reduces the efficiency of the air conditioner
and could cause product malfunction or damage.
Do not insert hands or other object through air inlet
or outlet while the product is operated.
There are sharp and moving parts that could cause
personal injury.
Do not drink the water drained from the product.
It is not sanitary could cause serious health issues.
Use a firm stool or ladder when cleaning or
maintaining the product.
Be careful and avoid personal injury.
Replace the all batteries in the remote control with
new ones of the same type. Do not mix old and mew
batteries or different types of batteries.
There is risk of fire or explosion.
Do not recharge or disassemble the batteries. Do not
dispose of batteries in a fire.
They may burn of explode.
If the liquid from the batteries gets onto your skin or
clothes, wash it well with clean water. Do not use the
remote of the batteries have leaked.
The chemical in batteries could cause burns or other
health hazards.

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2. Function
The function will be
operate in any operation
Indoor unit
Operation ON/OFF by remote controller
Room temperature sensor.
Pipe temperature sensor.
Sensing by room temperature
Maintain the room temperature in accordance with the setting temperature.
Room temperature control
Indoor fan is delayed for 5 sec at the starting.
Starting temperature control
Restarting is for approx. 3 minutes..
Time Delay Safety control
High, med, low, breeze.
Indoor fan speed control
Light up in the LED (LCD) for each operation mode.
The unit will decide the louver direction according to operation mode.
Two-direction air vane
The fan is turn to low speed (cooling/heating).
The unit will be turn off after seven hours.
Sleep mode auto control
The function is usually used in rainy days in
springtime or damp areas.
Independent dehumidification
Operation indication Lamps (LED)
The louver can be set at the desired position or swing up and
down automatically
Air flow Direction control
The unit can be change by the room temperature.
Auto mode
Easy clean panel
Flexible wiring connection
Defrost mode
Temp. Compensation
Prevent the cold wind at
the beginning of unit start.
Anti-cold function
Auto-restart function
Self-diag. function

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The unit can operate in cooling mode at low ambient temperature conditions.
The unit has 3 mins delay between continuously ON/OFF operations.
Outdoor unit
Power relay control
Low ambient kit
Bird tail propeller fan makes the outdoor unit run more quietly.
Low noise air flow system
The hydrophilic fin can improve the heating efficiency at operation mode.
Hydrophilic aluminum fin
It is only operated in the heating operation mode except defrosting operation.
Discharge pipe temperature protect
Anti-rust cabinet
4 way valve control
Made from electrolytic zinc steel sheet and anti-rust coated components.
It protects the valves and prevents water from dripping.
Valve protection

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3. Dimension
3.1 Indoor unit
Dimension
Mode WH L
5K 750 250 188
7K 750 250 188
9K 750 250 188
12K 750 250 188
18K 906 286 235

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3.2 Outdoor unit
Dimension
Mode W H D L1L2L3
5K 700 535 235 458 280 540
7K 700 535 235 458 280 540
9K 700 535 235 458 280 540
12K 780 540 250 530 315 590
18K 760 590 285 540 335 615

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4. Specification
GC/GU-S05CR GC/GU-S07HR
Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz
Capacity Btu/h 5000 7000
Input W 560 760
Rated current A 2,6 3,6
EER Btu/w.h 9 9,2
Capacity Btu/h ----- 7600
Input W ----- 760
Rated current A ----- 3,4
COP W/W ----- 10
A3,8 5
A16 18
Model KH104VFHC 2P14C235ANA
Type Rotary Rotary
Brand SHANGHAI SENLIN GD Matsushita
Capacity Btu/h 5700 7500
Input W 590 725
Rated current(RLA) A 2,7 3,4
Locked rotor Amp(LRA) A 13 15
Thermal protector BF540-KB MRA98854
Capacitor uF 15 25
Refrigerant oil ml MS-56 270 ATOMOS M60 270
Model RPG13H RPG13H
Brand WELLING WELLING
Input W 36,5 36,5
Capacitor uF 1.2µF/450V 1.2µF/450V
Speed(hi/mi/lo) r/min 1020/ 960/ 900 1020/ 960/ 900
m3/h 300/270/240 380/350/320
dB(A) 32/30/28 32/30/28
Model YDK24-6T YDK24-6T
Brand WELLING WELLING
Input W 70 70
Capacitor uF 33
Speed r/min 850 850
m
3
/
h1400 1400
dB(A) 49 49
g480 620
MPa 2,6 2,6
Liquid side/ Gas side mm Ф6.35/Ф9.53 Ф6.35/Ф9.53
Max. refrigerant pipe length m 10 10
Max. difference in level m 5 5
17-30 17-30
 18-45 -7 - 45
m
2
8-12 10-14
Operation temp
Ambient temp
Application area
Outdoor noise level
Refrigerant type R22
Design pressure
Refrigerant
piping
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Outdoor
fan motor
Outdoor air flow
Max. current
Starting current
Compressor
Indoor
fan motor
Model
Power supply
Cooling
Heating
Note:
The noise date is base on hemi-anechoic chamber, during actual operation; these values are normally somewhat
different as a result of ambient condition.
The above design and specifications are subject to change without prior notice for product improvement.

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GC/GU-S09HR GC/GU-S12HR GC/GU-S18HR
Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz
Capacity Btu/h 9000 12000 18000
Input W 960 1230 1920
Rated current A 4,5 5,7 9
EER Btu/w.h 9,4 9,8 9,4
Capacity Btu/h 10000 13000 20000
Input W 980 1290 1980
Rated current A 4,4 6 9,2
COP W/W 10,2 9,8 10,1
A7 9,1 10
A25 26 36
Model 2P18S225ANK PH225X2C-4FT SHY33MC2-U
Type Rotary Rotary rotary
Brand GD Matsushita GD Toshiba Hitachi
Capacity Btu/h 9920 13610 17620
Input W 970 1305 1725
Rated current(RLA) A 4,5 6,1 8,1
Locked rotor Amp(LRA) A 24 26 36
Thermal protector ExternalMRA98745

External Internal
Capacitor uF 30 35 50
Refrigerant oil ml SUNISO 350 430 600
Model RPG13H RPG13H RPG25
Brand WELLING Welling WELLING
Input W 36,5 36,5 53
Capacitor uF 1.2µF/450V 1,2 1.5uF/450V
Speed(hi/mi/lo) r/min 1100/1020/950 1350 1180
m3/h 450/420/390 550/500/460 750/710/650
dB(A) 37/34/31 41/ 38 /34 41/38/35
Model YDK24-6T YDK24-6 YDK25-6H
Brand WELLING WELLING WELLING
Input W 55 72 96
Capacitor uF 2.5µF/450V 2.5µF/450V 2.5µF/450V
Speed r/min 800 850 900
m
3
/
h1500 1800 2000
dB(A)505254
g650 820 1370
MPa 2,6 2,6 2,6
Liquid side/ Gas side mm Ф6.35/Ф9.53 Ф6.35/Ф12.7 Ф6.35/Ф12.7
Max. refrigerant pipe length m 10 10 15
Max. difference in level m 5 5 8
17-30 17-30 17-30
 -7 - 45 -7 - 45 -7 - 45
m
2
14-21 18-26 25-35
Operation temp
Ambient temp
Application area
Outdoor noise level
Refrigerant type R410A
Design pressure
Refrigerant
piping
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Outdoor
fan motor
Outdoor air flow
Max. current
Starting current
Compressor
Indoor
fan motor
Model
Power supply
Cooling
Heating
Note:
The noise date is base on hemi-anechoic chamber, during actual operation; these values are normally somewhat
different as a result of ambient condition.
The above design and specifications are subject to change without prior notice for product improvement.

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5. Refrigerant cycle diagram
¾Cooling only
¾Heat pump mode

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6. Operation limits
6.1 Cooling operation
Outdoor unit air temp.DB
Indoor air temp. DB
Note: The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.
6.2 Heating operation
Indoor air temp. DB
Outdoor unit air temp.DB
Note: The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.

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7. Schematic diagram and Wiring diagram
7.1 Schematic diagram

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7.2 Wiring diagram
7.2.1 Cooling mode
GC/GU-S05CR
COMPRESSOR
CAPACITOR
YЈ¦G
INDOOR UNIT
FAN
CAPACITOR
YЈ¦G
YЈ¦G

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7.2.2 GC/GU-S07HR, GC/GU-S09HR, GC/GU-S12HR

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MSG-18HR

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8. Installation details
8.1 Wrench torque sheet for installation
Torque
mm inch Kg.m
φ6.35 1/4 1.8
φ9.52 3/8 4.2
φ12.7 1/2 5.5
φ15.88 5/8 6.6
φ19.05 3/4 6.6
Outside diameter
8.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Unit 7K 9K 12K 18K
mm2 1,0 1,0 1,5 2,5
Grade
8.3 Pipe length and the elevation
Standard
len
g
th Max. Max. Additional
(m) Elevation Elevation refrigerant
Btu/h GAS LIQUID B (m)
A
(m) (g/m)
3/8’’ (φ9.52) 1/4’’ (φ6.35) 5 5 10 30
1/2’’
(
φ12.7
)
1/4’’
(
φ6.35
)
5 5 10 30
18K 1/2’’ (φ12.7) 1/4’’ (φ6.35) 5 8 15 30
Pipe size
7k~12K
Capacity
Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be install per 5-7 meters.
In case that
more than 5m.

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8.4 Air purging of the piping and indoor unit
Required tools:
Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak
detector.
Note:
The air in the indoor unit and in the piping must be purged. If air remains in the refrigeration piping, it will
affect the compressor, reduce the cooling capacity, and could lead to a malfunction of unit.
Be sure, using a torque wrench to tighten the service port cap (after using the service port), so that it
prevents the gas leakage from the refrigeration cycle.
Procedure
1. Recheck the piping connections.
2. Open the valve stem of the 2-way valve
counterclockwise approximately 90’, wait
10 seconds, and then set it to closed
position.
Be sure to use a hexagonal wrench to operate
the valve stem
3. Check for gas leakage.
Check the flare connection for gas leakage
4. Purge the air from the system.
Set the 2-way valve to the open position and
remove the cap from the 3-way valve’s service
port.
Using the hexagonal wrench to press the
valve core pin, discharge for three seconds
and then wait for one minute.
5. Use torque wrench to tighten the service
port cap to a torque of 1.8 kg.m. (18n.m)
6. Set the 3-way valve to the opened
position.
7. Mounted the valve stem nuts to the 2-way
and 3-way valves.
8. Check for gas leakage.
At this time, especially check for gas leakage
from the 2-way and 3-way stem nuts, and from
the service port.
Caution:
If gas leakage is discovered in step (3) above,
take the following measures.
If the leaks stop when the piping connections
are tightened further, continue working from step
(4).
If the gas leaks do not stop when the
connections are retightened, repair the location
of the leak, discharge all of the gas through the
service port, and then recharge with the
specified amount of gas from a gas cylinder.

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8.5 Pumping down (Re-installation)
Procedure
1. Confirm that both the 2-way and 3-way valves are set to the opened position.
Remove the valve stem caps and confirm that the valve stems are in the opened position.
Be sure to use a hexagonal wrench to operate the valve stems.
2. Operate the unit for 10 to 15 minutes.
3. Stop operation and wait for 3 minutes, then connect the charge set to the service port of the
3-way valve.
Connect the charge hose with the push pin to the gas service port.
4. Air purging of the charge hose.
Open the low-pressure valve on the charge set slightly to purge air from the charge hose.
5. Set the 2-way valve to the close position.
6. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa.
7. Immediately set the 3-way valve to the closed position.
Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa.
8. Disconnect the charge set, and amount the 2-way and 3-way valve’s stem nuts and service
port caps.
Use a torque wrench to tighten the service port cap to a torque of 1.8 kg.m.
Be sure to check for gas leakage.