n To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage.
n Before service unit, be sure to read this service manual at first.
1.2 Warning
Ø Installation
n Do not use a defective or underrated circuit breaker. Use
this appliance on a dedicated circuit.
There is risk of fire or electric shock.
n 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.
n Always ground the product.
There is risk of fire or electric shock.
n Install the panel and the cover of control box securely.
There is risk of fire of electric shock.
n Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or
electric shock.
n Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
n Do not modify or extend the power cable.
There is risk of fire or electric shock.
n Do not install, remove, or reinstall the unit by yourself
(customer).
There is risk of fire, electric shock, explosion, or
injury.
n 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.
n For installation, always contact the dealer or an
Authorized service center.
There is risk of fire, electric shock, explosion, or
injury.
n Do not install the product on a defective installation
stand.
It may cause injury, accident, or damage to the
product.
n 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.
n 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.
n Take care to ensure that power cable could not be pulled
out or damaged during operation.
There is risk of fire or electric shock.
n Do not place anything on the power cable.
There is risk of fire or electric shock.
n Do not plug or unplug the power supply plug during
operation.
There is risk of fire or electric shock.
n Do not touch (operation) the product with wet hands.
There is risk of fire or electric shock.
n Do not place a heater or other appliance near the power
cable.
There is risk of fire and electric shock.
n Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric
shock.
n Do not store or use flammable gas or combustible near
the product.
There is risk of fire or failure of product.
n Do not use the product in a tightly closed space for a
long time.
Oxygen deficiency could occur.
n 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.
n 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.
n Stop operation and close the window in storm or
hurricane. If possible, remove the product from the
window before the hurricane arrives.
www.generalclimate.com 1 Wall-Mounted Split Type
There is risk of property damage, failure of product,
or electric shock.
n Do not open the inlet grill of the product during operation.
(Do not touch the electrostatic filter, if the unit is so
equipped.)
There is risk of physical injury, electric shock, or
product failure.
n When the product is soaked (flooded or submerged),
contact an Authorized service center.
There is risk of fire or electric shock.
n Be caution that water could not enter the product.
There is risk of fire, electric shock, or product
damage.
n Ventilate the product from time to time when operating it
together with a stove, etc.
There is risk of fire or electric shock.
n Turn the main power off when cleaning or maintaining
the product.
There is risk of electric shock.
n 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.
n Take care to ensure that nobody could step on or fall
onto the outdoor unit.
This could result in personal injury and product
damage.
Ø CAUTION
n Always check for gas (refrigerant) leakage after
installation or repair of product.
Low refrigerant levels may cause failure of product.
n Install the drain hose to ensure that water is drained
away properly.
A bad connection may cause water leakage.
n Keep level even when installing the product.
To avoid vibration of water leakage.
n 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.
n Use two or more people to lift and transport the product.
Avoid personal injury.
n 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.
Ø Operational
n 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.
n 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.
n Do not block the inlet or outlet of air flow.
It may cause product failure.
n 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.
n Do not touch the metal parts of the product when
removing the air filter. They are very sharp.
There is risk of personal injury.
n Do not step on pr put anything on the product. (outdoor
units)
There is risk of personal injury and failure of
product.
n 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.
n 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.
n Do not drink the water drained from the product.
It is not sanitary could cause serious health issues.
n Use a firm stool or ladder when cleaning or maintaining
the product.
Be careful and avoid personal injury.
n 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.
n Do not recharge or disassemble the batteries. Do not
dispose of batteries in a fire.
They may burn of explode.
n 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.
www.generalclimate.com 2 Wall-Mounted Split Type
2. Function
Indoor unit
Operation ON/OFF by remote controller
Sensing by room temperature
Room temperature sensor.
Pipe temperature sensor.
Room temperature control
Maintain the room temperature in accordance with the setting temperature.
Starting temperature control
Indoor fan is delayed for 5 sec at the
Time Delay Safety control
Restarting is for approx. 3 minutes..
Indoor fan speed control
High, med, low, breeze.
Operation indication Lamps (LED)
Light up in the LED (LCD) for each operation mode.
Two-direction air vane
The unit will decide the louver direction according to operation mode.
Sleep mode auto control
The fan is turn to low speed (cooling/heating).
The unit will be turn off after seven hours.
Independent dehumidification
The function is usually used in rainy days in
springtime or damp areas.
Self-diag. function
The function will be
operate in any operation
Anti-cold function
Prevent the cold wind at
the beginning of unit
Temp. Compensation
Defrost mode
Auto-restart function
Flexible wiring connection
Air flow Direction control
The louver can be set at the desired position or swing up
and down automatically
Auto mode
The unit can be change by the room temperature.
www.generalclimate.com 3 Wall-Mounted Split Type
Easy clean panel
Outdoor unit
Power relay control
The unit has 3 mins delay between continuously ON/OFF operations.
Low ambient kit
The unit can operate in cooling mode at low ambient temperature conditions.
Low noise air flow system
Bird tail propeller fan makes the outdoor unit run more quietly.
Hydrophilic aluminum fin
The hydrophilic fin can improve the heating efficiency at operation mode.
4 way valve control
It is only operated in the heating operation mode except defrosting operation.
Discharge pipe temperature protect
Anti-rust cabinet
Made from electrolytic zinc steel sheet and anti-rust coated components.
Valve protection cover
It protects the valves and prevents water from dripping.
www.generalclimate.com 4 Wall-Mounted Split Type
3. Dimension
3.1 Indoor unit
Dimension
Mode
5K750250188
7K750250188
9K750250188
12K750250188
18K906286235
WHL
www.generalclimate.com 5 Wall-Mounted Split Type
458
280
540
458
280
540
458
280
540
530
315
590
3.2 Outdoor unit
Dimension
Mode
5K700535235
7K700535235
9K700535235
12K780540250
18K760590285540335615
WHDL1L2L3
www.generalclimate.com 6 Wall-Mounted Split Type
GC/GU-S05CR
GC/GU-S07HR
m3/h
Ф
Ф
m
4. Specification
Model
Power supply
Capacity Btu/h
Cooling
Heating
Max. current
Starting current
Compressor
Indoor
fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Outdoor
fan motor
Outdoor air flow
Outdoor noise level
Refrigerant type R22
Design pressure
Refrigerant
piping
Operation temp
Ambient temp
Application area
Input W560760
Rated current A2,63,6
EER Btu/w.h99,2
Capacity Btu/h
Input W
Rated current A
COP W/W
Model
Type
Brand
Capacity Btu/h57007500
Input W590725
Rated current(RLA) A2,73,4
Locked rotor Amp(LRA) A1315
Thermal protector BF540-KBMRA98854
Capacitor uF
Refrigerant oil ml
Model
Brand WELLINGWELLING
Input W
Capacitor uF
Speed(hi/mi/lo) r/min1020/ 960/ 9001020/ 960/ 900
Model
Brand WELLINGWELLING
Input W
Capacitor uF
Speed r/min
Liquid side/ Gas side mm
Max. refrigerant pipe length m1010
Max. difference in level m55
Ph-V-Hz
1, 220-240V~,50Hz1, 220-240V~,50Hz
50007000
-----
7600
-----760
-----3,4
-----
10
A3,85
A
SHANGHAI SENLIN
1618
KH104VFHC
Rotary
15
MS-56 270
2P14C235ANA
Rotary
GD Matsushita
25
ATOMOS M60 270
RPG13HRPG13H
36,536,5
1.2μF/450V1.2μF/450V
m3/h
dB(A)
300/270/240380/350/320
32/30/2832/30/28
YDK24-6TYDK24-6T
7070
33
850850
14001400
dB(A)4949
g
MPa
℃
℃
2
480620
2,62,6
6.35/Ф9.53
6.35/Ф9.53
17-3017-30
18-45-7 - 45
8-1210-14
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.
www.generalclimate.com 7 Wall-Mounted Split Type
GC/GU-S09HR
GC/GU-S12HR
GC/GU-S18HR
)
m3/h
Ф
Ф
Ф
m
Model
Power supply
Capacity Btu/h90001200018000
Cooling
Input W96012301920
Rated current A4,55,79
EER Btu/w.h9,49,89,4
Capacity Btu/h100001300020000
Heating
Input W98012901980
Rated current A4,469,2
COP W/W10,29,810,1
Max. current
Starting current
Model 2P18S225ANKPH225X2C-4FT
Type RotaryRotary
Brand GD MatsushitaGD Toshiba
Capacity Btu/h99201361017620
Compressor
Input W97013051725
Rated current(RLA) A4,56,18,1
Locked rotor Amp(LRA) A242636
Thermal protector External(MRA98745
Capacitor uF3035
Refrigerant oil mlSUNISO 350430
Model
Indoor
fan motor
Brand WELLINGWellingWELLING
Input W
Capacitor uF
Speed(hi/mi/lo) r/min1100/1020/95013501180
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Model
Outdoor
fan motor
Brand WELLINGWELLINGWELLING
Input W5572
Capacitor uF
Speed r/min800850
Outdoor air flow
Outdoor noise level
Refrigerant type R410A
Design pressure
Refrigerant
piping
Liquid side/ Gas side mm
Max. refrigerant pipe length m101015
Max. difference in level m558
Operation temp
Ambient temp
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.
5. Refrigerant cycle diagram
Ø Cooling only
Ø Heat pump mode
www.generalclimate.com 9 Wall-Mounted Split Type
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.
www.generalclimate.com 10 Wall-Mounted Split Type
7. Schematic diagram and Wiring diagram
7.1 Schematic diagram
www.generalclimate.com 11 Wall-Mounted Split Type
7.2 Wiring diagram
7.2.1 Cooling mode
GC/GU-S05CR
INDOOR UNIT
OUTDOOR UNIT
OVERLOAD
RELAY
COMPRESSOR
Y& G
C
S
BLACK
RED
BLUE
BLACK
R
COMPRESSOR
CAPACITOR
1 2︵N︶
RED
MOTOR
Y& G
FAN
Y& G
BLACK
RED
RED
BLUE
FAN
CAPACITOR
www.generalclimate.com 12 Wall-Mounted Split Type
7.2.2 GC/GU-S07HR, GC/GU-S09HR, GC/GU-S12HR
www.generalclimate.com 13 Wall-Mounted Split Type
MSG-18HR
www.generalclimate.com 14 Wall-Mounted Split Type
length
Btu/h
GAS
LIQUID
B (m)A
(m)
(g/m)
3/8’’ (φ9.52)
1/4’’ (φ6.35)
5510301/2’’ (φ12.7)
1/4’’ (φ6.35)
55103018K1/2’’ (φ12.7)
1/4’’ (φ6.35)
5815
30
In case that more
8. Installation details
8.1 Wrench torque sheet for installation
Outside diameter
Torque
mminchKg.m
φ6.351/41.8
φ9.523/84.2
φ12.71/25.5
φ15.885/86.6
φ19.053/46.6
8.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Grade
Unit7K9K12K18K
mm21,01,01,52,5
8.3 Pipe length and the elevation
Capacity
7k~12K
Standard
Pipe size
(m)ElevationElevationrefrigerant
Max.Max.Additional
than 5m.
Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be install per 5-7 meters.
www.generalclimate.com 15 Wall-Mounted Split Type
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.
www.generalclimate.com 16 Wall-Mounted Split Type
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.
www.generalclimate.com 17 Wall-Mounted Split Type
8.6 Re-air purging (Re-installation)
Procedure:
1. Confirm that both the 2-way and 3-way valves are set to the closed position.
2. Connect the charge set and a charging cylinder to the service port of the 3-way valve.
§Leave the valve on the charging cylinder closed.
3. Air purging.
§ Open the valves on the charging cylinder and the charge set. Purge the air by loosening the flare nut on the 2-way valve
approximately 45’ for 3 seconds then closing it for 1 minutes; repeat 3 times.
§After purging the air, use a torque wrench to tighten the flare nut to on the 2-way valve.
4. Check the gas leakage.
§Check the flare connections for gas leakage.
5. Discharge the refrigerant.
§Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicate 0.3 to 0.5 Mpa.
6. Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open position.
§Be sure to use a hexagonal wrench to operate the valve stems.
7. Mount the valve stems nuts and the service port cap.
§ Be sure to use a torque wrench to tighten the service port cap to a torque 18N.m.
§ Be sure to check the gas leakage.
www.generalclimate.com 18 Wall-Mounted Split Type
8.7 Balance refrigerant of the 2-way, 3-way valves
Procedure:
1. Confirm that both the 2-way and 3-way valves are set to the open position.
2. Connect the charge set to the 3-way valve’s service port.
§ Leave the valve on the charge set closed.
§ Connect the charge hose with the push pin to the service port.
3. Open the valves (Low side) on the charge set and discharge the refrigerant until the gauge indicates 0.05 to 0.1 Mpa.
§ If there is no air in the refrigeration cycle [the pressure when the air conditioner is not running is higher than 0.1Mpa,
discharge the refrigerant until the gauge indicates 0.05 to 0.1 Mpa. If this is the case, it will not be necessary to apply a
evacuation.
§ Discharge the refrigeration gradually; if it is discharged too suddenly, the refrigeration oil sill be discharged.
www.generalclimate.com 19 Wall-Mounted Split Type
8.8 Evacuation
Procedure:
1. Connect the vacuum pump to the charge set’s centre hose.
2. Evacuation for approximately one hour.
§Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less].
3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle does not move
(approximately 5 minutes after turning off the vacuum pump).
4. Disconnect the charge hose from the vacuum pump.
§ Vacuum pump oil, if the vacuum pump oil becomes dirty or depleted, replenish as needle.
www.generalclimate.com 20 Wall-Mounted Split Type
8.9 Gas charging
Procedure:
1. Connect the charge hose to the charging cylinder.
§Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.
2. Purge the air from the charge hose.
§ Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the
liquid refrigerant).
3. Open the valves (Low side) on the charge set and charge the system with liquid refrigerant.
§ If the system cannot be charge with the specified amount of refrigerant, if can be charged with a little at a time
(approximately 150g each time0 while operating the air conditioner in the cooling cycle; however, one time is not sufficient,
wait approximately 1 minute and then repeat the procedure.(pumping down-pin).
4. Immediately disconnect the charge hose from the 3-way valve’s service port.
§ Stopping partway will allow the refrigerant to be discharged.
§ If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air conditioner before
disconnecting the hose.
5. Mounted the valve stem caps and the service port
§ Use torque wrench to tighten the service port cap to a torque of 18N.m.
§ Be sure to check for gas leakage.
www.generalclimate.com 21 Wall-Mounted Split Type
9. Capacity table
Cooling mode
Conditions
21ºC D
Total capacity kW
1.41
1.33
1.23
1.13
1.06
0.98
15ºC W
Sensitive capacity kW
1.03
0.99
0.93
0.86
0.81
0.76
24ºC D
Total capacity kW
1.53
1.46
1.37
1.29
1.20
1.11
17ºC W
Sensitive capacity kW
1.12
1.09
1.04
0.99
0.93
0.86
27ºC D
Total capacity kW
1.63
1.56
1.39
1.30
1.19
19ºC W
Sensitive capacity kW
1.24
1.20
1.09
1.02
0.94
0.60
0.67
0.69
32ºC D
Total capacity kW
1.81
1.74
1.68
1.57
1.43
1.35
23ºC W
Sensitive capacity kW
1.40
1.36
1.32
1.24
1.14
1.09
Cooling mode
Conditions
21ºC D
Total capacity kW
1.97
1.85
1.71
1.58
1.47
1.37
15ºC W
Sensitive capacity kW
1.44
1.38
1.29
1.20
1.13
1.05
24ºC D
Total capacity kW
2.13
2.04
1.90
1.80
1.68
1.55
17ºC W
Sensitive capacity kW
1.57
1.52
1.45
1.38
1.29
1.20
27ºC D
Total capacity kW
2.27
2.17
1.94
1.81
1.66
19ºC W
Sensitive capacity kW
1.73
1.67
1.52
1.42
1.32
0.82
0.91
0.94
32ºC D
Total capacity kW
2.53
2.43
2.35
2.18
2.00
1.88
23ºC W
Sensitive capacity kW
1.95
1.89
1.84
1.72
1.60
1.52
-7ºC D
-8ºC W
2.22
0.73
9.1 GC/GU-S05CR
SUMMER
Indoor
Input kW.0.480.510.530.570.630.65
Input kW.0.490.520.540.590.650.67
Input kW.0.510.54
OUTDOOR TEMPERATURE DRY
25ºC30ºC35ºC40ºC45ºC50ºC
1.47
1.15
0.56
Input kW.0.530.560.580.630.700.72
9.2 GC/GU-S07HR
SUMMER
Indoor
Input kW.0.650.690.710.770.860.89
Input kW.0.670.710.740.800.880.91
Input kW.0.690.73
Input kW.0.720.760.790.850.950.98
WINTER
Indoor
Conditions
15ºC
18ºC
20ºC
22ºC
Capacity kW
Input kW.
Capacity kW
Input kW.
Capacity kW
Input kW.
Capacity kW
Input kW.
OUTDOOR TEMPERATURE DRY
25ºC30ºC35ºC40ºC45ºC50ºC
2.05
1.60
0.76
OUTDOOR CONDITIONS
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-4ºC D
-6ºC W
2.622.302.101.851.591.40
0.780.710.660.610.530.48
2.572.262.051.781.511.31
0.800.720.670.630.550.49
2.55
0.83
2.031.741.431.19
0.690.640.570.52
2.522.202.001.711.411.16
0.860.740.700.670.600.54
www.generalclimate.com 22 Wall-Mounted Split Type
9.3 GC/GU-S09HR
Cooling mode
Conditions
21ºC D
Total capacity kW
2.50
2.35
2.17
2.00
1.87
1.73
15ºC W
Sensitive capacity kW
1.82
1.75
1.64
1.52
1.43
1.34
24ºC D
Total capacity kW
2.71
2.58
2.42
2.28
2.13
1.96
17ºC W
Sensitive capacity kW
1.99
1.93
1.84
1.75
1.64
1.52
27ºC D
Total capacity kW
2.88
2.75
2.46
2.29
2.11
19ºC W
Sensitive capacity kW
2.19
2.12
1.93
1.80
1.67
1.08
1.20
1.24
32ºC D
Total capacity kW
3.21
3.08
2.98
2.77
2.53
2.38
23ºC W
Sensitive capacity kW
2.47
2.40
2.34
2.19
2.02
1.93
-7ºC D
-8ºC W
2,93
0,98
12ºC D
7ºC D
4ºC D
0ºC D
-4ºC D
Cooling mode
Conditions
21ºC D
Total capacity kW
3.36
3.16
2.93
2.69
2.52
2.33
15ºC W
Sensitive capacity kW
2.46
2.36
2.21
2.05
1.92
1.80
24ºC D
Total capacity kW
3.64
3.48
3.25
3.07
2.86
2.64
17ºC W
Sensitive capacity kW
2.68
2.59
2.47
2.35
2.21
2.05
27ºC D
Total capacity kW
3.88
3.71
3.31
3.08
2.84
19ºC W
Sensitive capacity kW
2.95
2.85
2.60
2.43
2.25
1.33
1.48
1.53
32ºC D
Total capacity kW
4.32
4.14
4.01
3.73
3.41
3.21
23ºC W
Sensitive capacity kW
3.33
3.23
3.15
2.94
2.73
2.60
-7ºC D
-8ºC W
3.81
1.29
SUMMER
Indoor
Input kW.0.860.900.941.021.131.17
Input kW.0.880.930.971.051.161.20
Input kW.0.910.96
Input kW.0.951.001.041.121.251.29
WINTER
Indoor
Conditions
15ºC
18ºC
20ºC
22ºC
Capacity kW
Input kW.
Capacity kW
Input kW.
Capacity kW
Input kW.
Capacity kW
Input kW.
9.4 GC/GU-S12HR
SUMMER
Indoor
OUTDOOR TEMPERATURE DRY
25ºC30ºC35ºC40ºC45ºC50ºC
2.60
2.03
1.00
OUTDOOR CONDITIONS
11ºC W
6ºC W
3ºC W
-1ºC W
-6ºC W
3,463,032,782,442,101,84
1,050,960,890,820,720,65
3,392,982,712,351,991,73
1,080,970,900,840,740,66
3,36
1,11
(Just for the 5K, 7K, 9K, 12K, 16K, 18K cooling and heating mode)
10.1 Electronic control working environment
Input voltage: 175~253V
Input power frequency:50HZ
Ambient temperature: -7°C+43°C
Indoor fan normal working amp is less than 1A
Outdoor fan normal working amp is less than 1.5A
Four-way valve normal working amp is less than 1A
Swing motor: DC12V
Compressor: single-phase power supply. Its normal working amp is less than 15A
10.2 Proper symbols and their meaning
TA: Indoor ambient temperature
TE: Indoor evaporator temperature
TS: Setting temperature through the remote controller
I
: Self-protection amp of compressor, continue three seconds until turns off the compressor.
3sec
I
: Self-protection amp of compressor, continue five minutes until turns off the compressor.
5MIN
I
: Self-protection amp of outdoor fan/indoor fans when they change from higher wind to lower wind.
FAN
I
: Amp self-protection return value
RESTORE
TH
TM
TL
TE1: Anti-cold wind, from Fan Off to Breeze temperature
TE2: Anti-cold wind, from Breeze to Setting Fan Speed temperature
TE3: Anti-cold wind, from Setting Fan Speed to Breeze temperature
TE4: Anti-cold wind, from Breeze to Fan Off temperature
TE5: Evaporator low temperature protection entering temperature
TE6: Evaporator low temperature protection restoring temperature
TE7: Evaporator high temperature protection, compressor off temperature
TE8: Evaporator high temperature protection, fan off temperature
TE9: Evaporator high temperature protection, restoring temperature
: High wind, defrosting temperature difference
DEFROST
: Middle wind, defrosting temperature difference
DEFROST
: Low wind, defrosting temperature difference
DEFROST
10.3 Function
Remote receiving
Testing and forced running
Position set for indoor unit wind vane
LED displaying and alarm
On or off Timer
Protection for the compressor
Current protection
High temperature protection of indoor heat exchanger at heating mode
Auto defrosting and heating recovery at heating mode
Anti cold air at heating mode
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Anti frozen at cooling mode
10.4 Protection
10.4.1 3 minutes delay at restart for compressor.
10.4.2 Sensor protection at open circuit and breaking disconnection
10.4.3 Fan Speed is out of control. When Indoor Fan Speed is too high(higher than High Fan+300RPM)or too low(lower than
400RPM), the unit stops and LED displays failure information and can’t returns to normal operation automatically.
10.4.4 Cross Zero signal error warning. If there is no Cross Zero signals in 4 minutes, the unit stops and LED displays
failure information and can’t returns to normal operation automatically.
10.4.5 The current protection of the compressor
If compressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On, the unit stops and
LED displays failure information and can’t returns to normal operation automatically.
10.5 Fan-only mode
Fan speed is high/mid/low/ Auto
10.6 Cooling mode
The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:(T=indoor temperature)
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Fan
LOW
ON 6minutes
BREEZE
OFF 4minutes
LOW
ON 5minutes
BREEZE
OFF 5minutes
LOW
ON 4minutes
BREEZE
OFF 6minutes
Auto fan at cooling mode:
Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. )
10.7 Dehumidifying mode
10.7.1 The 4-way valve is off in dehumidifying mode
10.7.2 Compressor and Indoor Fan actions in dehumidifying mode
Block
Repeat on and off cycle.
10.7.3 Low room temperature protection:
When room temperature decreases to below 10℃, compressor and outdoor fan will stop(indoor fan is Breeze). Dehumidifying
operation will be resumed when room temperature restores to over 13℃.
Indoor
Compressor and Outdoor Fan
A
B
C
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10.7.4 At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the
same as that of cooling mode.
10.7.5 At dehumidifying mode, the action of fans of indoor is the same as that of air-only mode.
10.8 Heating mode
10.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode.
4-way valve must delay 2 minutes compared with compressor if the compressor changed
into non-heating mode or turned off. 4-way valve doesn't delay in dehumidifying mode
10.8.2 Generally, the outdoor fan is turned off with the on-off action of compressor in heating
mode, except for the defrosting mode or the end of defrost
10.8.3 Action of compressor and outdoor fan motor at heating mode: compressor must run for
7 minutes after starting and then judge temperature. Meanwhile other protections are still
valid.
* This parameter can be changed from 0 to 3
10.8.4 Indoor Fan actions at heating mode
Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind function prevails.
Anti-cold wind control function at heating mode (T=indoor exchanger temp.)
10.8.5 Auto wind at heating mode (T=indoor temp.)
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10.8.6 Indoor evaporator high-temperature protection at heating mode
(T=indoor exchanger temp.)
10.8.7 The louver opens to Standard Angle ANGLHEAT when power is on for the first time
10.9 Defrosting mode(available for heating mode)
Defrosting condition: Defrosting starts when either of the following ①&②:
① A and B are satisfied:
A: The compressor keeps running for 40 minutes or more.
B: The temperature difference of evaporator and room temperature meets one of the following:
② Calculate from the end of latest defrost, evaporator high temp. Protection only closes outdoor fan with the compressor still
running. Add up to 90 minutes.
Defrosting time
At condition ①, If item B is satisfied before item A, it would be regarded as severe frosting and the defrosting time is 10
minutes. If item B is satisfied after item A, the defrosting time is 6minutes.
At condition ②, the defrosting time is 10 minutes.
After three times continuous 6-minute defrost, the fourth defrost time should be 10 minutes.
The circulation is as following:
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Ending condition of defrosting
If one of following conditions is satisfied, end the defrost and turn into heating mode:
A. The defrost time has reached to 6 or 10 minutes.
B. The compressor current has reached to I
DEFROST
or above, I
differs in different models
DEROST
Defrosting Actions
Defrost 10 or 6 minutes
Compressor
5s
4-way valve
Outdoor fan
Indoor fan
10s
25s
2s
10.10 Auto mode
10.10.1 The air conditioner automatically selects one of the following operation modes:
cooling, heating or fan only according to the temperature difference between room
temperature (TA) and set temperature (TS).
10.10.2 The indoor fan blows automatically in corresponding selected mode
10.10.3 The motion of indoor fan’s blade should accord with the selected operation mode
10.10.4 One mode should be carried out for at least 15 minutes once selected. If the
compressor cannot start for 15 minutes, reselect the operation mode according to the room
temp. and set temp., or reselect when the set temp. varies
10.11 Force cooling function
10.11.1 Select forced cooling function with the forced cooling button or the switch
10.11.2 The compressor is unconditionally turned on, after 30 minutes cooling operation
whose fan mode is set as low, the A/C operates at the DRY mode with a set temp. of 24℃
10.11.3 All protections of remote control cooling are available at forced cooling operation
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10.11.4 Forced Auto function
Select forced auto function with the forced auto button or the switch.
In forced auto status the A/C operates at remote control mode with a set temp. of 24℃
10.12 Sleep mode
10.12.1 The sleep function is available at cooling, heating or auto mode
10.12.2 Cooling:
The set temperature rise 1℃ per hour. Two hours later, the set temperature will maintain as a constant and the fan speed is kept
at low speed.
10.12.3 Heating:
The set temperature decrease 1℃ per hour. Two hours later, the set temperature will maintain as a constant and the air
circulation is kept at low speed (Anti-cold function takes precedence over all).
10.12.4 Auto:
After an hour running under economic mode, the set temp will rise 1℃,if it is under cooling mode; the set temp will decrease 1
℃,if it is under heating mode; the set temp will be changeless, if it is under fan-only mode; the condition will be the same after
the air conditioner running under economic mode after 2 hours, and during the next time the set temp do not change. The total
time is 7 hours, after 7 hours the unit stops.
10.13 Auto restart function
In case of a sudden power failure, this function automatically sets the unit to previous settings before the power failure when
power returns
10.14 Anion (optional)
Starts with indoor fan.
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The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating.
At this time, PRE-DEF. indicator illuminates.
§ Auto indicator:
This indicator flashes when the air conditioner is in AUTO operation.
§ ECON indicator
This indicator illuminates while the air conditioner is in economic operation.
12.2 Troubleshooting
For cooling mode:
Failure phenomenon
r
Extinguish
For heat pump mode:
Failure phenomenon
r
Extinguish
Operation
Operation
Timer
Timer
Defrosting
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12.3 Diagnostic chart
After energizing, no indicator is lighted and the air conditioner can’t be operated.
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12.4 Resetting phenomenon often occurs during operation.
(That is automatically entering to the status when power is on.)
The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure:
Resetting phenomenon often occurs during operation.
Yes
After changing indoor PCB, check if the failure realease.
Yes
After changing indoor fan motor, check if the failure realease.
YES
Power supply circuit has problems.
Indoor PCB is defective.
12.5 Operation lamp flashes and Timer lamp off.
Yes
12.6 Operation lamp flashes and Timer lamp on.
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12.7 Operation lamp off and Timer lamp flashes
12.8 Operation lamp on and Timer lamp flashes
EEROM error, indoor PCB is defective.
12.9 Operation lamp flashes, Timer lamp flashes .
This is alarm signal when the main chip can’t detect over-zero signal. When such failure occurs, the main control board must
have fault.