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Summary of Contents for General Climate GC/GU-S30HRI
- Page 1 Service manual Room Air Conditioner Split Wall-Mounted Type GC/CU-S24HR GC/CU-S30HR GC/CU-S36HR www.generalclimate.com Wall-Mounted Split Type...
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Page 2: Table Of Contents
Content 1. Precaution 1 Safety Precaution 1 Warning 1 2. Function 3 3. Dimension 5 Indoor unit Outdoor unit 6 4. Specification 7 5. Refrigerant cycle diagram 6. Operation limits Cooling operation 9 Heating operation 9 7. Schematic diagram and Wiring diagram 9 Schematic diagram Wiring diagram 8. - Page 3 10.13 Auto restart function Model and Parameters Troubleshooting 31 12.1 Display board 12.2 Troubleshooting 32 12.3 Diagnostic chart 33 12.4 Resetting phenomenon often occurs during operation. 34 12.5 Operation lamp flashes and Timer lamp off. 34 12.6 Operation lamp flashes and Timer lamp on. 34 12.7 Operation lamp off and Timer lamp flashes 12.8 Operation lamp on and Timer lamp flashes 12.9 Operation lamp flashes, Timer lamp flashes .
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Page 4: Precaution
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, or Ø Operational electric shock. n Do not open the inlet grill of the product during n Do not expose the skin directly to cool air for long operation. (Do not touch the electrostatic filter, if the periods of time.
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Page 6: Function
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. Time Delay Safety control Restarting is for approx. - 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.
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Page 8: Dimension
Dimension 3.1 Indoor unit Dimension Mode 1080 1080 1250 www.generalclimate.com Wall-Mounted Split Type... -
Page 9: Outdoor Unit
3.2 Outdoor unit Dimension Mode www.generalclimate.com Wall-Mounted Split Type... -
Page 10: Specification
Specification Model GC/GU-S24HR GC/GU-S30HR GC/GU-S36HR Power supply Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz 1, 220-240V~, 50Hz Capacity Btu/h 35000 24000 28000 Input 4120 2750 3200 Cooling 18,6 Rated current 12,5 Btu/w.h 8.7, 2.6 Capacity Btu/h 38000 27000 30000 4100 Input 2750 3100 Heating 18,5... -
Page 11: Refrigerant Cycle Diagram
Refrigerant cycle diagram Ø Cooling only Ø Heat pump mode www.generalclimate.com Wall-Mounted Split Type... -
Page 12: Operation Limits
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.℃... -
Page 13: Schematic Diagram
Schematic diagram www.generalclimate.com Wall-Mounted Split Type... -
Page 14: Wiring Diagram
Wiring diagram 7.2.1 Heating mode GC/GU-S24HR, GC/GU-S30HR www.generalclimate.com Wall-Mounted Split Type... - Page 15 GC/GU-S36HR www.generalclimate.com Wall-Mounted Split Type...
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Page 16: Installation Details
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 17: 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 18: 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 19: 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 20: 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 21: 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 22: 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 23: Capacity Table
Capacity table GC/GU-S24HR SUMMER Cooling mode OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 6.76 6.35 5.88 5.41 5.05 4.69 15ºC W Sensitive capacity kW 4.93 4.74 4.44 4.11 3.86 3.61 Input kW. 2.35 2.48 2.59... -
Page 24: Gc/Gu-S30Hr
GC/GU-S30HR SUMMER Cooling mode OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 7.88 7.40 6.86 6.31 5.90 5.47 15ºC W Sensitive capacity kW 5.75 5.52 5.18 4.79 4.50 4.21 Input kW. 2.74 2.89 3.01 3.25... -
Page 25: Gc/Gu-S36Hr
GC/GU-S36HR OUTDOOR TEMPERATURE DRY SUMMER Cooling mode Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 9.87 9.27 8.59 7.90 7.38 6.85 15ºC W Sensitive capacity kW 7.21 6.92 6.48 6.00 5.64 5.28 Input kW. 3.52 3.72 3.87 4.18... -
Page 26: Electronic Function
Electronic function 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 27: Function
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 10.4 Protection 10.4.1... -
Page 28: Dehumidifying Mode
Auto fan at cooling mode: Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. ) Condenser high temperature protection (only for heat pump) 10.7 Dehumidifying mode Indoor fan speed at low speed. Protection is same as cooling 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 29 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.
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Page 30: Defrosting Mode(Available For Heating Mode)
10.8.7 The louver opens to Standard Angle ANGLHEAT when power is on for the first time 10.8.8 10.8.9 10.9 Defrosting mode(available for heating mode) 10.9.1 Defrosting condition: Defrost starts when either of the following: T3 lower than 0’C, lasts for more than 40 minutes, provided that the time period then the temperature is lower than -3’C consecutively reaches 3 minutes. -
Page 31: Auto Mode
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... -
Page 32: Auto Restart Function
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;... -
Page 33: Model And Parameters
Model and Parameters Model GC/GU-S24HR GC/GU-S30HR GC/GU-S36HR I3SEC [A] I5MIN [A] IFAN [A] IDEFROST [A] TE1 ['C] TE2 ['C] TE3 ['C] TE4 ['C] TE5 ['C] TE6 ['C] TE7 ['C] TE8 ['C] TE9 ['C] TE10 ['C] TE11 ['C] TE14 ['C] TE16 ['C] www.generalclimate.com Wall-Mounted Split Type... -
Page 34: Troubleshooting
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 35: Troubleshooting
12.2 Troubleshooting For cooling mode: Operation Timer Failure phenomenon lamp lamp ☆ Indoor fan speed has been out of control for over 1 minute ☆ Indoor room temp. or evaporator sensor is open circuit or short circuit ☆ Over current protection of the compressor occurs 4 times ☆... -
Page 36: 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... -
Page 37: 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 38: 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. www.generalclimate.com Wall-Mounted Split Type... -
Page 39: Characteristic Of Temperature Sensor
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 9.5507... - Page 40 Exploded View Parts for Model GC-S24HR 220-240V, 50Hz : Indoor Unit Part Name Quantity Sale code Front panel 10321121003 Air filter 10321111001 Air cleaner 10321111002 Screw cap 10321111003 Panel frame 10321121004 Horizontal airflow grille 10321121005 Grille holder 10321121006 10321121007 Big bush 10321121008 Small bush 10321121009...
- Page 41 Chassis 10321111010 Installation Plate 10321111011 Fan motor 10321111012 Fixing part for motor 10321111013 Protector for temp sensor 10112121224 Clamp for temp sensor 10109121231 Right holder for evaporator 10321111014 Indoor temp sensor 10118121242 Connecting pipe clamp 10321111015 Evaporator temp sensor 10109121242 Louver motor 10321111016 Vertical airflow louver，down...
- Page 42 Exploded View Parts for Model GU-S24HR 220--240V,50Hz : Outdoor Unit Part Name Quantity Sale code Front net 10118121801 Clamp for front net 10112121801 Front clapboard 10924121801 Propeller fan 10118121804 Motor 10121121801 Holder for fan motor 10118121809 Foam over holder for motor 10118121807 Front right clapboard 10118121819...
- Page 43 Rear right clapboard 10118113804 Big Handle 10118121817 Installation plate for valves 10118113805 Water collector 10118121832 Capacitor Clamp 10112121814 Compressor capacitor 10118121820 Fan motor capacitor 10109121819 Wire joint 10124121810 Washer for wire joint 10112121817 Clamp for wiring 10118121823 Installation board for E-parts 10424121802 Contactor 10121121806...
- Page 44 Exploded View Parts for Model GC-S30HR 220-240V, 50Hz : Indoor Unit Part Name Quantity Sale code Front panel 10321121003 Air filter 10321111001 Air cleaner 10321111002 Screw cap 10321111003 Panel frame 10321121004 Horizontal airflow grille 10321121005 Grille holder 10321121006 Stopple 10321121007 Big bush 10321121008 Small bush...
- Page 45 Installation Plate 10321111011 Fan motor 10321111012 Fixing part for motor 10321111013 Protector for temp sensor 10112121224 Clamp for temp sensor 10109121231 Right holder for evaporator 10321111014 Indoor temp sensor 10118121242 Connecting pipe clamp 10321111015 Evaporator temp sensor 10109121242 Louver motor 10321111016 Vertical airflow louver，down 10321121011...
- Page 46 Exploded View Parts for Model GU-S30HR 220-240V, 50Hz : Outdoor Unit Part Name Quantity Sale code Front net 10118121801 Clamp for front net 10112121801 Front clapboard 10924121801 Propeller fan 10118121804 Motor 10121121801 Holder for fan motor 10118121809 Foam over holder for motor 10118121807 Front right clapboard 10118121803...
- Page 47 Big Handle 10118121817 Installation plate for valves 10118113805 Water collector 10118121832 Capacitor Clamp 10112121814 Compressor capacitor 10118121820 Fan motor capacitor 10124121806 Wire joint 10124121810 Washer for wire joint 10112121817 Clamp for wiring 10118121823 Installation board for E-parts 10424121802 Contactor 10121121806 Wire joint for multiplexer 10121121809 High Pressure Valve Ass'y...
- Page 48 Exploded View Parts for Model GC-S36HR 220-240V,50Hz : Indoor Unit Name Quanlity Sale code Front panel 10336111001 Air filter 10336111002 Screw cap 10336111003 Down clap for panel frame 10336111004 Panel frame 10336111005 Up clap for panel frame 10336111006 Air out frame assy 10336111007 Horizontal louver，down 10336111008...
- Page 49 7.10 Louver holder, middle 10336111017 7.11 Stopple 10336111018 7.12 Vertical louver, middle size 10336111019 7.13 Bush 10336111020 7.14 Louver holder, right 10336111021 7.15 Louver connecter, right 10336111022 7.16 Swing bar for up horizontal louver 10336111023 7.17 Connecter for horizontal louver 10336111024 7.18 Swing bar for down horizontal louver...
- Page 50 Holder for remote controller 10109121208 E-parts assy 10336121005 25,1 Display board 10336121002 25,2 Wire joint, 4p 10336111055 25,3 Wire clamp 10336111056 25,4 Main control board 10336121004 25,5 E-Parts box 10336111058 25,6 Transformer 50242122817 25,7 Indoor temp sensor 10118121242 25,8 Evaporator temp sensor 10109121242 E-part box cover 10336111059...
- Page 51 Exploded View Parts for Model GU-S36HR 220-240V,50Hz : Outdoor Unit Part Name Quantity Sale code Front net 10118121801 Clamp for front net 10112121801 Front clapboard 11426432801 Propeller fan 10336111801 Fan motor 10336111802 Holder for fan motor 10224121803 Chassis 11426432808 Separating board 50224123803 Cover 10224121804...
- Page 52 Water collector 10336111804 Refrigerant container 10224121817 Small handle 10224121809 Front right clapboard 10224121825 Condenser temp sensor 10121121816 Transformer 10336111806 Fan motor capacitor 10118121821 Main control board 10336121804 Contactor 10336111808 Wire joint for multiplexer 10121121809 Relay 10118121238 Wire joint 10336111809 Clamp for wiring 10118121823 Washer for wire joint 10112121817...
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