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Technical Information

Service Manual

4. Refrigerant System Diagram

Connection pipe specification:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)

Indoor unit

Outdoor unit

COOLING

HEATING

Accumlator

4-Way valve

Discharge

Suction

Heat

exchanger

(evaporator)

Heat

exchanger

(condenser)

Valve

Liquid pipe

side

Gas pipe

side

Strainer

Electron

Capillary

expansion

valve

Compressor

Содержание GWH09RB-K3DNA3G

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual GWH09RB K3DNA3G GWH12RB K3DNA3G Refrigerant R410A Models...

Страница 2: ...7 5 Electrical Part 8 5 1 Wiring Diagram 8 5 2 PCB Printed Diagram 10 6 Function and Control 12 6 1 Remote Controller Introduction 12 6 2 Brief Description of Modes and Functions 16 Part Installation...

Страница 3: ...and Parts List 54 10 1 Indoor Unit 54 10 2 Outdoor Unit 56 11 Removal Procedure 58 11 1 Removal Procedure of Indoor Unit 58 11 2 Removal Procedure of Outdoor Unit 65 Appendix 70 Appendix 1 Reference S...

Страница 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit GWH09RB K3DNA3G I GWH12RB K3DNA3G I GWH09MB K3DNE3G O GWH12MB K3DNE3G O Outdoor Unit Remote Controller YAA1FB...

Страница 5: ...24 Indoor Unit Model of indoor unit GWH09RB K3DNA3G I GWH12RB K3DNA3G I Indoor Unit Product Code CB302N03100 CB302N03200 Fan Type Cross flow Cross flow Diameter Length DXL mm 92X645 92X645 Fan Motor C...

Страница 6: ...mm 710X19 05X508 695X38 1X506 Fan Motor Speed rpm 900 650 900 650 Output of Fan Motor W 30 30 Fan Motor RLA A 0 15 0 15 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 1600 1600 Fan Type Ax...

Страница 7: ...ndoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Outdoor temp C Outdoor temp C Capacity ratio Capacity ratio Cooling Heating 0 1 2 3 4...

Страница 8: ...r and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 o C T2 o C 20 15 7 6 09K 2 2 t...

Страница 9: ...6 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outoor Unit Unit mm Unit mm 320 776 510 714 257 286 540 274 189 50 85 174 542 132 69 55 55 848...

Страница 10: ...fication Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid...

Страница 11: ...MP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 2 7 50...

Страница 12: ...the unit Outdoor Unit 3 32 5 3 1 1 1 7 2 9 8 2 1 9 8 208 1 0 62 7 21 6 7 2 3 8 1 5 8 1 5 8 203 1 02725 1 1 1 3 3 3 0 203 75 7 7 5 66 6 7 203 7 5 5 5 5 5 9 7 0 6 1625 867 2875220 7 0 6 1625 1 57 57 57...

Страница 13: ...ire 5 Interface of neutral wire for health function 6 Control interface of PG motor 7 Interface of live wire for health function 8 Interface of indoor unit and outdoor unit communication 9 Auto button...

Страница 14: ...view Outdoor Unit Bottom view No Name 1 Inductance pin2 2 Inductance pin1 3 Four wayvalve 4 Compressor electric heater 5 Chassis electric heater 6 Fan neilsbed 7 Electric expansion valve 8 Temp sensor...

Страница 15: ...mp Outdoor ambient temp Indoor ambient temp Sleep mode Clock Heat mode Fan mode Dry mode Cool mode Auto mode Operation mode I feel 1 1 2 5 4 6 7 8 11 12 13 9 14 15 ON OFF button button 3 SWING button...

Страница 16: ...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 Button Press this button to turn...

Страница 17: ...rned on is displayed If the light is turned off disappears 16 X FAN Button Pressing X FAN button in COOL or DRY mode the icon is displayed and the indoor fan will continue operation for 10 minutes in...

Страница 18: ...no obstacles between them Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone remote controller should be close to indoor unit during operation Replace n...

Страница 19: ...ated and the compressor has stopped for 3 minutes the compressor will resume running in the original mode 2 Dehumidifying Mode Working conditions and process of dehumidifying If Tamb Tpreset the unit...

Страница 20: ...ow speed operation or 2 minute non operation if Ttube 42 C the fan will run at present speed In the case of Tindoor amb 24 C if Ttube 42 C the indoor fan will run at low speed and afterone minute the...

Страница 21: ...ode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will...

Страница 22: ...ill run based on the remote control if there is remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise close...

Страница 23: ...electric heating band starts working for 3min as the compressor starts After the compressor starts for 3min and Toutdoor ambient 3 C the electric heating band stops operation 3 When Toutdoor ambient...

Страница 24: ...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...

Страница 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...

Страница 26: ...5cm At least 50cm At least 50cm At least 30cm At least 300cm At least 200cm Space to the floor Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to...

Страница 27: ...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...

Страница 28: ...pecialized 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 whic...

Страница 29: ...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...

Страница 30: ...ord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe s...

Страница 31: ...ion with expansion screws 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As...

Страница 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...

Страница 33: ...to the malfunction analysis discharge protection overload 5 Overcurrent protection E5 OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan oper...

Страница 34: ...nboard damaged 14 Outdoor ambient temperature sensor is open short circuited F3 OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating o...

Страница 35: ...complete unit will stop operation 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal...

Страница 36: ...tion analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the co...

Страница 37: ...2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 During cooling and drying opera...

Страница 38: ...units current detection U5 During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit mal...

Страница 39: ...tatus 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 55 Defrosting OFF 3S and...

Страница 40: ...ard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Y...

Страница 41: ...he connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened...

Страница 42: ...the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model...

Страница 43: ...harges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is...

Страница 44: ...capacitor see fig 30 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 Sh...

Страница 45: ...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...

Страница 46: ...Y Y Y Y Y N N N 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 restart...

Страница 47: ...me is not sufficient 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...

Страница 48: ...ed 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 heat exchang...

Страница 49: ...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...

Страница 50: ...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...

Страница 51: ...e 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 detecto...

Страница 52: ...the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is a...

Страница 53: ...ter voltage of both sides of R135 The voltage should be variable Test 10 Test the voltage of pin 3 and pin 4 of U132 with universal meter voltage of both sides of R1312 The voltage should be variable...

Страница 54: ...easure voltage 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 vol...

Страница 55: ...od for 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...

Страница 56: ...re parts touching together inside the outdoor unit There s abnormal sound fro outdoor unit Remove foreign objects Adjust all parts position of outdoor unit tighten screws and stick damping plaster bet...

Страница 57: ...tion and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 14 13 12 15 16 17 19 20 21 22 23 26 27 28 29 30 31 32 33 35 36 11 10 9 8 7 6 5 4 3 2 1 34 37 38 39 24 44 45 18 40 4...

Страница 58: ...hose 0523001401 0523001401 1 20 Temp Sensor Sleeving 05212423 05212423 1 21 Evaporator Assy 01100100128 01100100129 1 22 Evaporator Support 24212091 24212091 1 23 Remote Controller 30510125 30510125...

Страница 59: ...56 Installation and Maintenance Service Manual 10 2 Outdoor Unit...

Страница 60: ...26113017 26113017 2 13 Right Side Plate Sub Assy 0130317801 0130317801 1 14 Big Handle 262334332 262334332 1 15 Magnet Coil 4300040050 4300040050 1 16 Electric Expand Valve Fitting 4300876701 4300876...

Страница 61: ...Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal 2 a b Remove the filter Open the front panel filter 1 Before d...

Страница 62: ...sh on the horizontal louver Pull the horizontal louver outward to remove it 4 Remove the panel axile bush horizontal louver panel display Loosen the screws fixing the indicator Remove the indicator Al...

Страница 63: ...electric box cover Loosen the screw of the electric box cover Remove the electric box cover Remove the front case Open the screw cap on the front case Remove the screws fixing the front case Loosen t...

Страница 64: ...ve the vertical louver Loosen the 10 clasps connecting the vertical louver and bottom case subassembly Remove the vertical louver 8 Remove the electric box subassembly Disconnect the indoor tube tempe...

Страница 65: ...he clasp at the joint of the electric box cover and the electric box Disconnect the wiring terminal of the motor and step motor on the electric box Loosen the screws fixing the electric box and remove...

Страница 66: ...xiliary piping a a b 9 Remove press plate of connecting pipe Remove the screws of the press plate of connecting pipe Remove press plate of connecting pipe 10 Remove the evaporator Remove the screws at...

Страница 67: ...ightly to separate the connecting pipe and the evaporator Remove the evaporator 11 Remove motor and cross flow fan Remove the screw of the step motor and remove the step motor Remove the screw of the...

Страница 68: ...Unit Procedure Steps 1 Remove big handle 2 Remove top cover Top cover Before disassamble Remove 1 connection screw fixing big handleand then removethe big handle Remove 3 connection screws among top c...

Страница 69: ...Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove...

Страница 70: ...nsolder 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...

Страница 71: ...otor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Cl...

Страница 72: ...alve 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 connec...

Страница 73: ...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...

Страница 74: ...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...

Страница 75: ...88 33 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 1...

Страница 76: ...983 5 84 61 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 6...

Страница 77: ...62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 2...

Страница 78: ...Zhuhai Guangdong China 519070 Tel 86 756 8522218 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 Natha...

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