General Climate CU-S05CR Service Manual
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General Climate CU-S05CR Service Manual

Split wall-mounted type
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Service manual

Room air conditioner

Split Wall-Mounted Type
GC/CU-S05CR
GC/CU-S07HR
GC/CU-S09HR
GC/CU-S12HR
GC/CU-S18HR
Climatic Control Corporation
Wall-Mounted Split Type
Downloaded from AC-Manual.com Manuals

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Summary of Contents for General Climate CU-S05CR

  • Page 1: Service Manual

    Service manual Room air conditioner Split Wall-Mounted Type GC/CU-S05CR GC/CU-S07HR GC/CU-S09HR GC/CU-S12HR GC/CU-S18HR Climatic Control Corporation Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 2: Table Of Contents

    Content 1. Precaution 1 Safety Precaution Warning 1 2. Function 3. Dimension 5 Indoor unit 5 Outdoor unit 4. Specification 5. Refrigerant cycle diagram 9 6. Operation limits 10 Cooling operation Heating operation 7. Schematic diagram and Wiring diagram Schematic diagram 11 Wiring diagram 12 8.
  • Page 3 10.10 Auto mode 30 10.11 Force cooling function 10.12 Sleep mode 31 10.13 Auto restart function 31 10.14 Anion (optional) 31 11. Model and Parameters 33 Troubleshooting 12.1 Display board 12.2 Troubleshooting 34 12.3 Diagnostic chart 35 12.4 Resetting phenomenon often occurs during operation. 36 12.5 Operation lamp flashes and Timer lamp off.

  • Page 4: Precaution

    1. Precaution Safety Precaution 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. Warning Ø...
  • Page 5 There is risk of property damage, failure of product, Ø Operational or electric shock. n Do not open the inlet grill of the product during operation. n Do not expose the skin directly to cool air for long (Do not touch the electrostatic filter, if the unit is so periods of time.

  • Page 6: Function

    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 starting.
  • Page 7 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.

  • Page 8: Dimension

    3. Dimension 3.1 Indoor unit Dimension Mode www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 9: Outdoor Unit

    3.2 Outdoor unit Dimension Mode www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 10: Specification

    4. Specification Model GC/GU-S05CR GC/GU-S07HR Power supply Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz 5000 7000 Capacity Btu/h Input Cooling Rated current Btu/w.h ----- Capacity Btu/h 7600 Input ----- Heating Rated current ----- ----- Max. current Starting current KH104VFHC Model 2P14C235ANA Type Rotary Rotary SHANGHAI SENLIN...
  • Page 11 Model GC/GU-S09HR GC/GU-S12HR GC/GU-S18HR Power supply Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz Capacity Btu/h 9000 12000 18000 Input 1230 1920 Cooling Rated current Btu/w.h Capacity Btu/h 10000 13000 20000 Input 1290 1980 Heating Rated current 10,2 10,1 Max. current Starting current Model 2P18S225ANK...

  • Page 12: Refrigerant Cycle Diagram

    5. Refrigerant cycle diagram Ø Cooling only Ø Heat pump mode www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 13: Operation Limits

    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.

  • Page 14: Schematic Diagram And Wiring Diagram

    7. Schematic diagram and Wiring diagram Schematic diagram www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 15: Wiring Diagram

    Wiring diagram 7.2.1 Cooling mode GC/GU-S05CR I N D O O R U N I T O U TD O O R U N I T 1 2︵ N ︶ Y＆G BLAC K BLAC K O VER LO AD R ELAY R ED R ED BLAC K...
  • Page 16 7.2.2 GC/GU-S GC/GU-S GC/GU-S www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...
  • Page 17 MSG-18HR www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 18: Installation Details

    8. Installation details Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 φ15.88 φ19.05 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade Unit Pipe length and the elevation Standard Max.

  • Page 19: Air Purging Of The Piping And Indoor Unit

    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.

  • Page 20: Pumping Down (Re-Installation)

    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.

  • Page 21: Re-Air Purging (Re-Installation)

    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.

  • Page 22: Balance Refrigerant Of The 2-Way, 3-Way Valves

    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. §...

  • Page 23: Evacuation

    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).

  • Page 24: Gas Charging

    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. §...

  • Page 25: Capacity Table

    9. Capacity table GC/GU-S05CR SUMMER Cooling mode OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 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 Input kW.

  • Page 26: Gc/Gu-S09Hr

    GC/GU-S09HR SUMMER Cooling mode OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 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 Input kW. 0.86 0.90 0.94 1.02...

  • Page 27: Gc/Gu-S18Hr

    GC/GU-S18HR SUMMER Cooling mode OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 5.08 4.77 4.41 4.06 3.80 3.52 15ºC W Sensitive capacity kW 3.71 3.56 3.33 3.09 2.90 2.71 Input kW. 1.56 1.64 1.71 1.85...

  • Page 28: Electronic Function

    10. Electronic function (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.

  • Page 29: Protection

    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.

  • Page 30: Dehumidifying Mode

    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 Indoor Block Compressor and Outdoor Fan ON 6minutes...

  • Page 31: Heating Mode

    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.

  • Page 32: Defrosting Mode(Available For Heating Mode)

    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...

  • Page 33: Auto Mode

    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 or above, I differs in different models DEFROST DEROST...

  • Page 34: Sleep Mode

    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℃...
  • Page 35 www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 36: Model And Parameters

    11. Model and Parameters Model GC/GU-S05CR GC/GU-S07HR GC/GU-S09HR GC/GU-S12HR GC/GU-S18HR I3SEC [A] I5MIN [A] IFAN [A] IRESTORE [A] 4.5A IDEFROST [A] TE1 ['C] TE2 ['C] TE3 ['C] TE4 ['C] TE5 ['C] TE6 ['C] TE7 ['C] TE8 ['C] TE9 ['C] ANGLCOOL ['] 200°...

  • Page 37: Troubleshooting

    12. Troubleshooting 12.1 Display board § Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation. § Timer indicator: The indicator illuminates then TIMER is set ON. § PRE-DEF. indicator (For cooling & heating mode only) The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating.

  • Page 38: Diagnostic Chart

    12.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. www.generalclimate.com Wall-Mounted Split Type Downloaded from AC-Manual.com Manuals...

  • Page 39: Resetting Phenomenon Often Occurs During Operation

    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. After changing indoor PCB, check if the failure realease.

  • Page 40: Operation Lamp Off And Timer Lamp Flashes

    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.

  • Page 41: Characteristic Of Temperature Sensor

    13. Characteristic of temperature sensor Temp. ℃ Resistance KΩ Temp. ℃ Resistance KΩ Temp. ℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988...
  • Page 42 Exploded View Parts for Model : GC-S05CR 220-240V~,50Hz :Indoor unit Part Name Quantity Sale code Front Panel 10309121201 Air Filter 10309121202 Screw cap 10309121203 Panel frame 10309121204 Air cleaner 10109121226 Air cleaner holder 10109121225 Window for receiver 10309121207 Indicator for LED 10309121208 Horizontal louver 10309121209...
  • Page 43 Left holder for evaporator 10307111202 Evaporator 10305111201 Bearing holder 10309121220 Cross flow fan, assy 10309121221 Chassis 10309121222 Back cover for chassis 10309121223 Installation Plate 10909121002 Connecting pipe clamp 10309121225 Fan motor 10309121226 Motor cover 10309121227 E-part box cover 10309121228 Indicator holder 10309121229 Display board，Ass'y 10407111002...
  • Page 44 Exploded View Parts for Model GU-S05HR 220--240V,50Hz : Outdoor Unit Part Name Quantity Sale code Clamp for front net 10112121801 Front net 10109121801 Small Handle 10109121802 Front clapboard 10107121801 Propeller fan 10109121804 Fan Motor 10109121805 Holder for fan motor 10109121806 Chassis 10105121802 Compressor...
  • Page 45 Separating board 10109121813 Condenser 10107111803 Water collector 10109121815 Right clapboard 10109121816 Big Handle 10109121817 Cover 10109121818 Rear Net 10109121824 Exploded View Parts for Model : GC-S07HR 220-240V~,50Hz :Indoor Unit Part Name Quantity Sale code Front Panel 10309121201 Air Filter 10309121202 Screw cap 10309121203 Panel frame...
  • Page 46 Vertical louver 10309121210 Air out frame 10309121211 Louver holder 10309121212 Louver rocker 10309121213 Rocker gasket 10309121214 Louver motor 10121121218 Drain hose 10109121215 Indoor temp sensor 10109121243 Evaporator temp sensor 10109121242 Left holder for evaporator 13008111007 Evaporator 13008111008 Bearing holder 10309121220 Cross flow fan, assy 10309121221 Chassis...
  • Page 47 Exploded View Parts for Model GU-S07HR 220--240V,50Hz : Outdoor Unit Part Name Quantity Sale code Clamp for front net 10112121801 Front net 10109121801 Small Handle 10109121802 Front clapboard 10107121801 Propeller fan 10109121804 Fan Motor 10109121805 Holder for fan motor 10109121806 Chassis 10107121803 Compressor...
  • Page 48 Wire joint 10109121823 Separating board 10109121813 Condenser 10107121804 Water collector 10109121815 Right clapboard 10109121816 Big Handle 10109121817 Cover 10109121818 Rear Net 10109121824 Exploded View Parts for Model : GC-S09HR 220-240V~,50Hz :Indoor Unit Part Name Quantity Sale code Front Panel 10309121201 Air Filter 10309121202 Screw cap...
  • Page 49 Vertical louver 10309121210 Air out frame 10309121211 Louver holder 10309121212 Louver rocker 10309121213 Rocker gasket 10309121214 Louver motor 10121121218 Drain hose 10109121215 Indoor temp sensor 10109121243 Evaporator temp sensor 10109121242 Left holder for evaporator 13008111007 Evaporator 13009111002 Bearing holder 10309121220 Cross flow fan, assy 10309121221 Chassis...
  • Page 50 Exploded View Parts for Model GU-S09HR 220-240V~,50Hz :Outdoor Unit Part Name Quantity SALE Code Clamp for front net 10112121801 Front net 10109121801 Front clapboard 10109113801 Propeller fan 10109121804 Fan Motor 20407111802 Holder for fan motor 10109121806 Chassis 10107123802 Compressor 50309121805 Separating board 13008111803 Cover...
  • Page 51 Washer for wire joint 10112121817 Wire Clamp 10112121816 Installation board for E-parts 13009111005 Low Pressure Valve Ass'y 11608121806 4-Ways valve 10109121812 Gas pipe valve 10309121810 High Pressure Valve Ass'y 10309121821 Liquid pipe valve 10309121811 Copper nut, TLM-A01 10909121012 Copper nut, TLM-B02 10909121013 Exploded View Parts for Model : GC-S12HR...
  • Page 52 Horizontal louver 10309121209 Vertical louver 10309121210 Air out frame 10309121211 Louver holder 10309121212 Louver rocker 10309121213 Rocker gasket 10309121214 Louver motor 10121121218 Drain hose 10109121215 Indoor temp sensor 10109121243 Evaporator temp sensor 10109121242 Left holder for evaporator 13008111007 Evaporator 13012111001 Bearing holder 10309121220 Cross flow fan, assy...
  • Page 53 Exploded View Parts for Model GU-S12HR 220--240V,50Hz : Outdoor Unit Part Name Quantity Sale code Clamp for front net 10112121801 Front net 10109121801 Front clapboard 13012111801 Propeller fan 10112121803 Fan motor 10112111801 Holder for fan motor 50312121801 Chassis 11612121801 Compressor 10112121821 Separating board 10116113813...
  • Page 54 Fan motor capacitor 10112121815 Wire joint 10109121823 Washer for wire joint 10112121817 Clamp for wiring 10112121816 Installation board for E-parts 15009111801 High Pressure Valve Ass'y 13012121801 Liquid pipe valve 10118121830 Low pressure Valve Ass'y 13012121802 4-ways valve 10312121852 Low-pressure Valve 10312121858 Copper nut, TLM-A01 10909121012...
  • Page 55 Display panel 10318121204 Protector for temp sensor 10112121224 Clamp for temp sensor 10109121231 Horizontal louver，up 10318121205 Horizontal louver，down 10318121206 Louver motor 10316121202 Air out frame 10318121208 Left holder for evaporator 10318121210 Evaporator 10316121203 Bearing holder 10318121212 Cross flow fan, ass'y 10318121213 Left cover for chassis 10318121214...
  • Page 56 Remote controller 10109121207 Relay 10118121238 Switch board 10109121205 Connection pipe for drainage 11609121003 Sealing ring 31009321021 Copper nut, TLM-A01 10909121012 Copper nut, TLM-C03 10912121019 Exploded View Parts for Model GU-S18HR 220-240V~,50Hz : Outdoor Unit Part Name Quantity Sale code Clamp for front net 10112121801 Front net 10109121801...
  • Page 57 Installation board，left 13012111803 Rear net 13012111806 Right clapboard 13012111808 Big handle 10112121808 Installation plate for valves 10118113805 Water collector 10118121832 Capacitor clamp 10118121823 Compressor capacitor 30324313020 Fan motor capacitor 10112121815 Wire joint 10109121823 Washer for wire joint 10112121817 Clamp for wiring 10718121809 Installation board for E-parts 15009111801...

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