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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

GWH07QA-K3DNA2C

GWH07QA-K3DNA5C

GWH07QA-K3DNA6C

GWH07QA-K3DNB2C

GWH07QA-K3DNB4C

GWH07QA-K3DNB6C

GWH07QA-K3DNB8C

GWH07QA-K3DNC4C

(Refrigerant:R410A)

Models:

1
2
3
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Summary of Contents for CB425005400

Page 1: ...IC APPLIANCES INC OF ZHUHAI Change for Life Service Manual GWH07QA K3DNA2C GWH07QA K3DNA5C GWH07QA K3DNA6C GWH07QA K3DNB2C GWH07QA K3DNB4C GWH07QA K3DNB6C GWH07QA K3DNB8C GWH07QA K3DNC4C Refrigerant R...

Page 2: ...8 5 Electrical Part 9 5 1 Wiring Diagram 9 5 2 PCB Printed Diagram 11 6 Function and Control 13 6 1 Remote Controller Introduction 13 6 2 Brief Description of Modes and Functions 16 Part Installation...

Page 3: ...Exploded View and Parts List 56 10 1 Indoor Unit 56 10 2 Outdoor Unit 62 11 Removal Procedure 64 11 1 Removal Procedure of Indoor Unit 64 11 2 Removal Procedure of Outdoor Unit 69 Appendix 74 Appendix...

Page 4: ...t Technical Information Indoor Unit A2 Panel A5 Panel A6 Panel B4 Panel B8 Panel C4 Panel B6 Panel B2 Panel Outdoor Unit GWH07QA K3DNA5C O Remote Controller YX1F ON OFF MODE FAN SWING SLEEP TIMER AUTO...

Page 5: ...Model 1 GWH07QA K3DNA2C I 2 GWH07QA K3DNA5C I 3 GWH07QA K3DNA6C I 4 GWH07QA K3DNB2C I 5 GWH07QA K3DNB4C I 6 GWH07QA K3DNB6C I 7 GWH07QA K3DNB8C I 8 GWH07QA K3DNC4C I Indoor Unit Product Code 1 CB426N...

Page 6: ...Capacitor F Air Flow Volume of Outdoor Unit m3 h 1200 Fan Type Axial flow Fan Diameter mm 320 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Ex...

Page 7: ...35 C WB24 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow Super High Pipe length 5m Compressor speed rps Compressor speed rps Cooling He...

Page 8: ...speed of indoor unit Fan speed of outdoor unit Indoor Outdoor P MPa T1 o C T2 o C 27 19 35 24 07K 0 8 1 1 11 to 14 38 to 41 Super High High Rated heating condition o C DB WB Model Pressure of gas pip...

Page 9: ...6 Technical Information Service Manual W D H 90 150 54 168 5 462 159 5 55 55 54 104 685 181 140 190 38 55 55 38 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm Models W H D 07K 790 275 200...

Page 10: ...7 Technical Information Service Manual 3 2 Outdoor Unit Unit mm 720 255 286 660 310 428 440...

Page 11: ...nit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Strainer Accumlator Compressor Connec...

Page 12: ...speed and the swing angle of horizontal lover for this model T SENSOR TEMP SENSOR TEMP SENSOR RT1 ROOM TUBE STEPPING DISPLAY PRINTED CIRCUIT BOARD RECEIVER AND DISPLAY BOARD CABLE CONNECTING SWING UD...

Page 13: ...6 1625 7 03 6 1625 7 03 57 57 57 6 1625 N N N 28778 2875220 867 3 0DLQ RDUG 2 1 1 0 3 3 1 02725 9 8 203 203 9 8 8 5 0 1 7 5 1 1 3 1 8 5 3 9 9 9 97 97 7 50 1 1 1 1 1 1 1 1 2 8 1 8 1 5 1 127 0RWRU DSSO...

Page 14: ...erface of health function neutral wire only for the mode with this function 5 Neutral wire 6 Interface of indoor fan 7 8 Auto button 9 10 Interface of up down swing motor 11 Interface of indoor fan fe...

Page 15: ...No Name 1 Interface of main programme 2 Terminal of electronic expansion valve 3 Monitor terminal for neutral wire and live wire 4 Terminal of outdoor unit temperature sensor 5 Module terminal of fan...

Page 16: ...Controller Note When power is connected stand by condition you can operate the air conditioner through the remote controller When unit is on each time you press the button on remote controller the se...

Page 17: ...at Dry mode press this button to turn on Sleep function Press this button to cancel Sleep function Under Fan and Auto mode this function is unavailable Simple operationfirst 1 After putting through po...

Page 18: ...t The distance between signal sender and receiving window should be within 8m There should be no obstacle between them Signal may be interfered easily in the room where there is fluorescent lamp or wi...

Page 19: ...ops operation ODU fan motor stops operation with a delay of 30s and IDU fan motor operates at set speed c When Tpreset 2 Tindoor amb Tindoor supplementary Tpreset the unit will maintain its previous r...

Page 20: ...preset cold air prevention conditions and H1 will be displayed at temperature display area on the display panel Defrost frequency is 85Hz Protection Cold air prevention The unit is started under heat...

Page 21: ...ll stop Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection...

Page 22: ...nd a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesnt receive the remote control ON signa...

Page 23: ...tism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 10 minutes un...

Page 24: ...lation and maintenance 5 Have the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire c...

Page 25: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 26: ...At least 15cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n Space to the floor Space to the obstruction Drainage pipe Space to the wall Space to the obstruc...

Page 27: ...pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test op...

Page 28: ...cialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which...

Page 29: ...t at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open end wrench on the pipe joint and...

Page 30: ...w in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As sh...

Page 31: ...on wire to the wiring terminal according to the color fix the power connection wire with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hid...

Page 32: ...Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then conne...

Page 33: ...wer Check power supply circuit Power plug is not well plugged in and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi...

Page 34: ...t heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumu...

Page 35: ...t heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumu...

Page 36: ...sor Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In...

Page 37: ...alysis discharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan...

Page 38: ...ent temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 3S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operat...

Page 39: ...wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacito...

Page 40: ...nction analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate Dur...

Page 41: ...control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operat...

Page 42: ...unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating oper...

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