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Gree GWH09RB-K3DNA2C, Service Manual

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Gree GWH09RB-K3DNA2C Service Manual Download Page 81

78

Installation and Maintenance

Service Manual

1

2

1

2

5. Remove front case 

Remove screws connecting front case and bottom 
case.

Open screw cover by hand, remove other 3 screws, 
loosen clasps connecting front case and bottom case 
and then remove the front case.

6. Remove swing blade

Remove 10 clasps connecting swing blade and 
bottom case.

Remove swing blade. 

screw

clasp

clasp

 swing blade

Summary of Contents for GWH09RB-K3DNA2C

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual...

Page 2: ...Unit 14 4 Refrigerant System Diagram 17 5 Electrical Part 18 5 1 Wiring Diagram 18 5 2 PCB Printed Diagram 20 6 Function and Control 22 6 1 Remote Controller Introduction 22 6 2 Brief Description of...

Page 3: ...rmal Malfunction 60 10 Exploded View and Parts List 62 10 1 Indoor Unit 62 10 2 Outdoor Unit 72 11 Removal Procedure 76 11 1 Removal Procedure of Indoor Unit 76 11 2 Removal Procedure of Outdoor Unit...

Page 4: ...09RB K3DNA3C I CB302N00901 GWH12RB K3DNA3C I CB302N01000 GWH12RB K3DNA3C I CB302N01001 GWH09RB K3DNA5C I CB304N00500 GWH12RB K3DNA5C I CB304N00600 GWH09RB K3DNA6C I CB305N00100 GWH12RB K3DNA6C I CB305...

Page 5: ...2 Technical Information Service Manual Outdoor Unit GWH09RB K3DNA3C O CB302W00900 GWH09RB K3DNA3C O CB302W00901 GWH12RB K3DNA3C O CB302W01000 GWH12RB K3DNA3C O CB302W01001...

Page 6: ...3DNA9C CB314000100 GWH09RB K3DNA9C I CB314N00100 GWH09RB K3DNA3C O CB302W00900 GWH09RB K3DNA9C CB314000101 GWH09RB K3DNA9C I CB314N00101 GWH09RB K3DNA3C O CB302W00900 GWH12RB K3DNA2C CB301001200 GWH12...

Page 7: ...tion Area m2 12 18 Indoor Unit Model of Indoor Unit GWH09RB K3DNA2C I GWH09RB K3DNA3C I GWH09RB K3DNA5C I GWH09RB K3DNA6C I GWH09RB K3DNA8C I GWH09RB K3DNA9C I Product Code of Indoor Unit CB301N01100...

Page 8: ...e b u T r e p p o c n i F m u n i m u l A m r o F r e s n e d n o C m m r e t e m a i D e p i P Rows fin Gap 7 4 1 2 m m 6 0 5 X 8 3 X 0 8 6 m m W X D X L h t g n e L l i o C 0 5 6 0 0 9 m p r d e e...

Page 9: ...18 Indoor Unit Model of Indoor Unit GWH09RB K3DNA2C I GWH09RB K3DNA3C I Product Code of Indoor Unit CB301001102 CB302000901 Fan Type Cross flow Diameter Length DXL mm 92X645 Fan Motor Cooling Speed SH...

Page 10: ...m u l A m r o F r e s n e d n o C m m r e t e m a i D e p i P 7 4 1 2 m m 6 0 5 X 8 3 X 0 8 6 m m W X D X L h t g n e L l i o C 0 5 6 0 0 9 m p r d e e p S r o t o M n a F 0 3 W r o t o M n a F f o t...

Page 11: ...Indoor Unit Model of Indoor Unit GWH12RB K3DNA2C I GWH12RB K3DNA3C I GWH12RB K3DNA5C I GWH12RB K3DNA6C I GWH12RB K3DNA8C I GWH12RB K3DNA9C I Product Code of Indoor Unit CB301N01200 CB302N01000 CB304N0...

Page 12: ...T r e p p o c n i F m u n i m u l A m r o F r e s n e d n o C m m r e t e m a i D e p i P 9 52 4 1 2 m m 8 0 5 X 1 8 3 X 0 3 7 m m W X D X L h t g n e L l i o C Fan Motor Speed rpm 900 650 Output of F...

Page 13: ...6 24 Indoor Unit Model of Indoor Unit GWH12RB K3DNA2C I GWH12RB K3DNA3C I Product Code of Indoor Unit CB301N01201 CB302N01001 Fan Type Cross flow Diameter Length DXL mm 92X645 Fan Motor Cooling Speed...

Page 14: ...u l A m r o F r e s n e d n o C m m r e t e m a i D e p i P 9 52 4 1 2 m m 8 0 5 X 1 8 3 X 0 3 7 m m W X D X L h t g n e L l i o C 0 5 6 0 0 9 m p r d e e p S r o t o M n a F 0 3 W r o t o M n a F f...

Page 15: ...120 Condition Indoor DB 20 Indoor air flow Turbo Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 09K 12K 09K 12K Cooling Heating 28 30 32 34 36 38 40 42 48 15 10...

Page 16: ...connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution Hz Indoor Outdoor P MPa T1 C T2 C 20 7...

Page 17: ...Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outdoor Unit 69 124 55 55 845 130 542 173 Unit mm 257 320 776 540 712 510 286 GWH09RB K3DNA3C O CB302W00900 275 18...

Page 18: ...15 Technical Information Service Manual 848 763 540 257 0 4 5 320 6 8 2 GWH12RB K3DNA3C O CB302W01000 GWH09RB K3DNA3C O CB302W00901 257 320 776 540 712 510 286 Unit mm...

Page 19: ...16 Technical Information Service Manual GWH12RB K3DNA3C O CB302W01001 848 763 540 257 0 4 5 320 6 8 2 Unit mm...

Page 20: ...g Model Connection pipe specification Liquid 1 4 6mm Gas 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser...

Page 21: ...UD K4 TUBE ROOM AC L PG PGF DISP 1 DISP 2 CN2 CN1 AP1 DISPLAY GENERATOR COOLPLASMA M PE XT1 W1BU W3BN N 1 OUTDOOR UNIT 2 3 COM OUT W4 YEGN N W2BK BU YEGN BN L N POWER RD BU YEGN HEALTH N HEALTH L PE B...

Page 22: ...BN N AC L PE U V W TUBE TEM SENSOR RT1 RT2 RT3 CN2 4V N1 AC L1 L FAN OFAN COMP COMP AC N1 PE M PE PE SHEET ELECTRICBOX 4YV AC N2 AP1 AP2 AC L AC N W3 W5 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 W20...

Page 23: ...e wire of health function 4 Port of neutral wire 5 Port of indoor fan 6 Solid state relay 7 Jumper Cap 8 Auto button 9 Feedback of indoor fan 10 Port of motor for vertical swing 11 Port of motor for h...

Page 24: ...p view Bottom view 1 2 3 4 5 6 7 8 9 10 1 inductance pin2 2 inductance pin1 3 four wayvalve 4 compressor electricheater 5 chassis electric heater 6 fan neilsbed 7 10 core communication cable 8 electri...

Page 25: ...Heat mode Fan mode Dry mode Cool mode Auto mode Operation mode I feel X fan mode health function Note After putting through the power the air conditioner will give out a sound Operation indictor is O...

Page 26: ...n swing angle which circularly changes as below This remote controller is universal If any command or is sent out the unit will carry out the command as indicates the guide louver swings as 7 I FEEL B...

Page 27: ...again to turn off the display s light If the light is turned on is displayed If the light is turned off disappears 16 X FAN Button Pressing X FAN button in COOL or DRY mode the iconis displayed and th...

Page 28: ...scent lamp or wireless telephone remote controller should be close to indoor unit during operation Replace new batteries of the same model when replacement is required When you don t use remote contro...

Page 29: ...cooling 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 3...

Page 30: ...ll stop the outdoor fan will delay 30sec to stop and indoor fan will blow 60S at low speed the fan speed cannot be shifted within blow residual heat In this mode the temperature setting range is 16 30...

Page 31: ...ain Overload protection If temperature sensed by the overload sensor is over 115 the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 the ove...

Page 32: ...1 again after 2 hours so it reduce 2 in 2 hours then it will run on at the setting temperature and wind speed c The setting temperature keeps the sam Indoor fan could be set at ultra high high medium...

Page 33: ...ircuit continuously measured failure in 30S after the compressor operated 3 minutes H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 No...

Page 34: ...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 clip 7 The live wire neutral wire a...

Page 35: ...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 36: ...e to the wall Space to the wall Air outlet side Space to the floor Above Above Above Above Above 15 cm Space to the obstruction Air outlet side Space to the wall Air inlet side Above 30 cm Above 50 cm...

Page 37: ...or 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 operation Finish installat...

Page 38: ...e 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 can t be used for other...

Page 39: ...of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth...

Page 40: ...se with the band As show 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 separa...

Page 41: ...outdoor unit remove the wire clip connect the power connection wire to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed...

Page 42: ...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 43: ...rent 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 fan operates During heating operation all loads st...

Page 44: ...Outdoor ambient temperature 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 h...

Page 45: ...iring 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 capacitor...

Page 46: ...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 47: ...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 48: ...ge is 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...

Page 49: ...or has 3 kinds 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 5...

Page 50: ...ller loosened or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eli...

Page 51: ...al of PG motor tightly no no Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly Is malfunction eliminated no no yes yes Turn on the unit again me...

Page 52: ...er cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tight...

Page 53: ...shell too high etc Is the indoor outdoor heat exchanger too dirty or are the air inlet and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminate...

Page 54: ...e unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined...

Page 55: ...Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and...

Page 56: ...If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage...

Page 57: ...E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If th...

Page 58: ...cient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection...

Page 59: ...n valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good...

Page 60: ...rigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is d...

Page 61: ...well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the...

Page 62: ...he unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detect...

Page 63: ...details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor C...

Page 64: ...n pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminatin...

Page 65: ...tallation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 37 36 38 41 39 40 42 18 14 13 12 17 10 9 7 5 3 30 32 33 27 26 20 28 8 31 29 4 1 11 19 21 22 23 25 24 35 6 15 2...

Page 66: ...ator Support 24212091 24212091 1 18 Evaporator Assy 01002610 01002610 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208904 1 22 Pipe...

Page 67: ...orator Support 24212091 24212091 1 18 Evaporator Assy 01002610 01002610 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 150120874 150120874 1 22 Pipe...

Page 68: ...ator Support 24212091 24212091 1 18 Evaporator Assy 01002423 01002423 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208904 1 22 Pipe...

Page 69: ...2 1 17 Evaporator Support 24212091 24212091 1 18 Evaporator Assy 01002423 01002423 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208...

Page 70: ...1 17 Evaporator Support 24212091 24212091 1 18 Evaporator Assy 01002610 01002610 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 15012089...

Page 71: ...02 1 17 Evaporator Support 24212091 24212091 1 18 Evaporator Assy 01002610 01002610 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 150120874 1501208...

Page 72: ...17 Evaporator Support 24212091 24212091 1 18 Evaporator Assy 01002423 01002423 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208904...

Page 73: ...aporator Support 24212091 24212091 1 18 Evaporator Assy 01002000011 01002000011 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208904...

Page 74: ...aporator Support 24212091 24212091 1 18 Evaporator Assy 01002000011 01002000011 1 19 Wall Mounting Frame 01252021 01252021 1 20 Motor Press Plate 26112161 26112161 1 21 Fan Motor 1501208904 1501208904...

Page 75: ...72 Installation and Maintenance Service Manual 10 2 Outdoor Unit 16 15 14 13 12 6 5 4 3 2 1 7 8 9 10 19 18 20 21 22 23 24 26 27 11 25 17 GWH09RB K3DNA3C O CB302W00900 GWH12RB K3DNA3C O CB302W01000...

Page 76: ...1 10 Chassis Sub assy 02803151P 02803216P 1 11 Fan Motor 1501308502 15013085 1 12 Small Handle 26233100 26233100 1 13 Top Cover Sub Assy 01253073 01253443 1 14 Motor Support 0170310401 0170310201 1 15...

Page 77: ...74 Installation and Maintenance Service Manual 16 15 14 13 12 6 5 4 3 2 1 7 8 9 10 19 18 20 21 22 23 24 26 27 11 25 17 GWH09RB K3DNA3C O CB302W00901 GWH12RB K3DNA3C O CB302W01001...

Page 78: ...1 10 Chassis Sub assy 02803151P 02803216P 1 11 Fan Motor 1501308502 15013085 1 12 Small Handle 26233100 26233100 1 13 Top Cover Sub Assy 01253073 01253443 1 14 Motor Support 0170310401 0170310201 1 15...

Page 79: ...discharge the refrigerant completely before removal 1 2 3 1 Before disassembly of the unit 2 Remove filter and horizontal louver Open the panel Loosen clasps on filter and then remove the filter Remo...

Page 80: ...ay and panel Remove screws on display and then remove the display Quit the rotation shaft of panel from groove and then remove the panel 4 Remove electric box cover 2 Remove screws connecting electric...

Page 81: ...nnecting front case and bottom case Open screw cover by hand remove other 3 screws loosen clasps connecting front case and bottom case and then remove the front case 6 Remove swing blade Remove 10 cla...

Page 82: ...d then remove the electric box 8 Remove evaporator Turn over bottom case remove screws connecting pipe clamp and bottom case loosen clasps between connecting pipe clamp and bottom case and then remove...

Page 83: ...g 1 3 5 9 Remove cross flow blade and motor Remove screws on stepping motor and then remove the stepping motor Remove 4 screws connecting motor press plate and bottom case and then remove motor press...

Page 84: ...d leand then remove the big handle Remove top cover plate Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate Warning Be sure to wait for a min...

Page 85: ...panel Remove 5 connection screws among front panel chassis and motor support Then remove front panel 4 Remove axial flow fan blade Remove nut of fan blade and then remove axial flow fan blade 5 Remove...

Page 86: ...r the 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the ti...

Page 87: ...Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Disassemble motor and motor support Motor Motor support 10 Disassemble Clapboard Sub Assy Loosen the screws of t...

Page 88: ...valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot conn...

Page 89: ...32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65...

Page 90: ...llowing steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and...

Page 91: ...3 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0...

Page 92: ...1 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 8...

Page 93: ...62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 129 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 955 12 306 2 27 45 07 66 9 827 105 2 872 11 289 6 28 43 16 67 9 489 106 2 7...

Page 94: ...218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 85...

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