Gree GWH09MB-K3DNA3K/I Service Manual Download Page 1

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ASDGR09AYIRDC(1C)
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Service DICORE

Summary of Contents for GWH09MB-K3DNA3K/I

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Page 8: ...100 120 Condition Indoor DB 20 Indoor air flow Turbo Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44...

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Page 11: ...WHP LDJUDP 5HIULJHUDQW SLSH GLDPHWHU LTXLG PP DV PP T I N U R O O D T U O T I N U R O O D N I HEAT EXCHANGER EVAPORATOR COOLING HEATING HEAT EXCHANGER EVAPORATOR Strainer Strainer Electronic expansion...

Page 12: ...7 50 1 2 1 52 1 8 8 0HDQLQJ RI PDUNV QGRRU 8QLW L OUT L1 L1 RT1 RT2 M JUMP CAP TEM SENSOR ROOM TUBE TEM SENSOR FAN MOTOR SWING MOTOR U D AP2 SWING UD K4 TUBE ROOM AC L PG PGF DISP 1 DISP 2 CN2 CN1 AP1...

Page 13: ...CN2 4V N1 AC L1 L FAN OFAN COMP COMP AC N1 PE M PE PE MID ISOLATIONSHEET ELECTRICBOX 4YV AC N2 AP1 AP2 AC L AC N L1 L2 E AC L3 AC L2 LX1 2 LX1 1 OVC COMP COM OUT L1 PE PE CN1 CN3 BK BU BN BK BU YEGN...

Page 14: ...Port of indoor fan Solid state relay Auto button Feedback of indoor fan Port of motor for vertical swing Port of motor for horizontal swing Buzzer Port of indoor ambient temp sensor Port of indoor pi...

Page 15: ...8QLW inductance pin1 inductance pin2 fan neilsbed four way valve compressor electric heater chassis electric heater compressor temp sensor overload protection electric expansion valve 10 core communic...

Page 16: ...Press it to set clock X FAN X FAN is the alternative expression of BLOW for the purpose of understanding TEMP TURBO SLEEP LIGHT Press it to turn on off the light 17 15 18 19 16 20 21 23 24 22 25 MODE...

Page 17: ...the unit MODE Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following Note Only for models with heating function After energization...

Page 18: ...t up the temperature displaying status that will display the setting temperature TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperatur...

Page 19: ...ling If Tamb Tpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamb Tpreset 2 the compressor will stop the outdoor fan will delay 30 se...

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Page 22: ...3 23 23 23 26 25 24 24 24 24 24 24 24 27 26 25 25 25 25 25 25 25 28 27 26 25 25 25 25 25 25 29 28 27 26 26 26 26 26 26 30 29 28 27 27 27 27 27 27 2 1 When the initial set temperature is 16 the unit wi...

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Page 27: ...Air outlet side Space to the floor Above Above cm Above Above Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for proper installation o...

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Page 33: ...01 1 18 Wall Mounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205236 4002052...

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Page 38: ...ly 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 tioner does not rea...

Page 39: ...on 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 accumulated on the su...

Page 40: ...tat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan motor Adjust the...

Page 41: ...pe 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 cool heat mode...

Page 42: ...analysis discharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor f...

Page 43: ...sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complet...

Page 44: ...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 capacitor C on control...

Page 45: ...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 During heating ope...

Page 46: ...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 operation compressor...

Page 47: ...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 operating the...

Page 48: ...of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 54 Defrosting OF...

Page 49: ...voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the powe...

Page 50: ...onditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop th...

Page 51: ...tion Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate i...

Page 52: ...SSLQJ HQRXJK DXOW GLDJQRVLV SURFHVV Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compres...

Page 53: ...essor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the co...

Page 54: ...r the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal h...

Page 55: ...cuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The...

Page 56: ...y before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If th...

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Page 58: ...at the Test 15 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Tes...

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Gree GWH09MB-K3DNA3K/I, Service Manual

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