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Gree GWH09YC-K6DNA1A, Service Manual, Page: 4 / 87

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Gree GWH09YC-K6DNA1A Service Manual Download Page 4

1

Technical Information

Service Manual

1. Summary

Part 

Ⅰ

: Technical Information

Indoor Unit

GWH09YC-K6DNA1A/I
GWH12YC-K6DNA1A/I 

GWH09YC-K6DNA2A/I
GWH12YC-K6DNA2A/I

Outdoor Unit

GWH09YC-K6DNA1A/O
GWH12YC-K6DNA1A/O

Remote Controller

YAG1FB

FAN

MODE

ON/OFF

+

-

Summary of Contents for GWH09YC-K6DNA1A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWH09YC K6DNA1A GWH09YC K6DNA2A GWH12YC K6DNA1A GWH12YC K6DNA2A Refrigerant R32...

Page 2: ...inted Diagram 16 6 Function and Control 18 6 1 Remote Controller Introduction 18 6 2 GREE App Operation Manual 23 6 3 Ewpe Smart App Operation Manual 24 6 4 Brief Description of Modes and Functions 25...

Page 3: ...63 10 1 Indoor Unit 63 10 2 Outdoor Unit 67 11 Removal Procedure 70 11 1 Removal Procedure of Indoor Unit 70 11 2 Removal Procedure of Outdoor Unit 75 Appendix 79 Appendix 1 Reference Sheet of Celsiu...

Page 4: ...ervice Manual 1 Summary Part Technical Information Indoor Unit GWH09YC K6DNA1A I GWH12YC K6DNA1A I GWH09YC K6DNA2A I GWH12YC K6DNA2A I Outdoor Unit GWH09YC K6DNA1A O GWH12YC K6DNA1A O Remote Controlle...

Page 5: ...H12YC K6DNA1A I GWH12YC K6DNA2A I Indoor Unit Product Code CB437N01600 CB466N01600 CB437N01100 CB466N01500 Fan Type Cross flow Cross flow Fan Diameter Length DXL mm 98X633 5 98X633 5 Cooling Speed r m...

Page 6: ...Gap mm 2 1 4 2 1 4 Condenser Coil Length LXDXW mm 742X38 1X550 742X38 1X550 Fan Motor Speed rpm 900 650 900 650 Fan Motor Power Output W 30 30 Fan Motor RLA A 0 36 0 36 Fan Motor Capacitor F Outdoor U...

Page 7: ...I GWH09YC K6DNA2A I Indoor Unit Product Code CB437N01101 CB466N01501 CB437N01601 CB466N01601 Fan Type Cross flow Cross flow Fan Diameter Length DXL mm 98X633 5 98X633 5 Cooling Speed r min 1350 1200...

Page 8: ...n Gap mm 2 1 4 2 1 4 Condenser Coil Length LXDXW mm 742X38 1X550 742X38 1X550 Fan Motor Speed rpm 900 650 900 650 Fan Motor Power Output W 30 30 Fan Motor RLA A 0 36 0 36 Fan Motor Capacitor F Outdoor...

Page 9: ...00 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Condition Indoor DB27 WB19 Indoor air flow Turbo Pipe length 7 5m Outdoor temp C 0 20 40 60 80 100 120 Capacity ratio Outdoor temp C...

Page 10: ...Indoor 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 50 60 70 80 90 100 110...

Page 11: ...ion T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 5m Heating Rated cooling condition C...

Page 12: ...9 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 865 210 290 133 5 541 6 189 9 83 2 124 7 35 55 55 35...

Page 13: ...10 Technical Information Service Manual 3 2 Outdoor Unit 257 780 596 848 286 540 320 Unit mm...

Page 14: ...lve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Capillary Accumlator Compressor 4 Refrige...

Page 15: ...000700030904 GWH09YC K6DNA1A I CB437N01600 GWH12YC K6DNA1A I CB437N01100 GWH12YC K6DNA2A I GWH09YC K6DNA2A I 67 33 1 3 2 7 50 1 1 803 3 0 1 2 5 1 1 1 1 7 8 20 287 20 0 18 211 725 3 5 02725 287 225 81...

Page 16: ...02725 0 6 1 8 0 21752 5 02725 211 7 1 6 1 5 0 83 2 1 67 33 1 02725 7 5 7 3 02 8 7 7 1 51 1 3 1 1 8 1 0 1 7 5 1 5 8 2 3 60 1 5 725 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW DQG WHUPLQDO ZKHQ WKH PDFK...

Page 17: ...URQ VKHOO PRWRU JURXQG RQO 1 225 81 7 Outdoor Unit 6361000008401 600007001110 GWH12YC K6DNA1A O CB437W01101 GWH09YC K6DNA1A O CB437W01600 GWH12YC K6DNA1A O CB437W01100 1 225 81 7 RI HOHFWULF VKRFN 3OH...

Page 18: ...CN1 EKV ELECTRONIC VALVE EXPANSION 4YV 4 WAY 4WAY VALVE VT VT LX1 1 LX1 2 L3 L3 REACTOR L BU BN MAGNETIC RING AP Main Board EH1 EH2 Bottom Band Comp Band Heater Heater HEAT1 HEAT2 OFAN FAN M PE PE YE...

Page 19: ...sensor 7 Terminal for display board connection 8 Terminal of jumper cap 9 Communication wire 10 Connect earthing wire only for the mode with this function 11 Fuse 12 Live wire interface 13 Interface...

Page 20: ...pressor 2 Reactor 2 3 Reactor 1 4 Chassis electric heating 5 Compressor electric heating 6 4 way valve 7 DC fan 8 Earthing wire 9 Communication wire 10 Neutral wire 11 Live wire 12 Electronic expansio...

Page 21: ...n timer off and light functions are set the corresponding icons will be displayed on the display of remote controller at the same time Under on status the display will show the corresponding set funct...

Page 22: ...ess this button to set swing angle which circularly changes as below This remote controller is universal If it receives threes kinds of following status the swing angle will remain origial If guide lo...

Page 23: ...at this setting temperature In Heat mode sleep status after run for one hour the setting temperature will decrease 1 C 2 hours setting temperature will decrease 2 C then the unit will run at this sett...

Page 24: ...t This function is only available for some models 1 Press swing left and right button continuously more than 2s the main unit will swing back and forth from left to right and then loosen the button th...

Page 25: ...s function may be not available for some units 4 Press TURBO button can realize the ON and OFF of TURBO function cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries a...

Page 26: ...l it When GREE App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help in App...

Page 27: ...App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App 6 3 Ewpe Smart App O...

Page 28: ...will blink 5 times Antifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep...

Page 29: ...Defrost frequency is 85Hz Protection Cold air prevention The unit is started under heating mode the compressor is ON In the case of T indoor amb 24 C if T tube 40 C and the indoor fan is at stop stat...

Page 30: ...p 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 not be started again Overl...

Page 31: ...6 26 26 26 25 25 25 26 27 27 27 27 27 26 26 26 27 28 28 28 28 28 27 27 27 28 29 29 29 29 29 28 28 28 29 29 29 29 29 29 28 28 29 30 30 30 30 30 30 29 29 30 30 30 30 30 30 30 29 29 2 In heating mode 2 1...

Page 32: ...operation mode the mode light in cludes Cooling heating and dehumidify If you close the light key all the display patterns will close Double 8 display According to the different setting of remote con...

Page 33: ...ir condition must apply specialized circuit and prohibit share the same circuit with other appliances 3 The air conditioner should be installed in suitable location and ensure the power plug is toucha...

Page 34: ...ame is prohibited in the maintenance area and the no smoking warning board should be hanged Check whether the appliance mark is in good condition Replace the vague or damaged warning mark Minimum room...

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: ...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...

Page 37: ...ang 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 operation Fini...

Page 38: ...the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring ma...

Page 39: ...diameter mm Tightening torque N m 6 15 20 9 52 30 40 12 45 55 16 60 65 19 70 75 Refer to the following table for wrench moment of force Fig 5 Fig 6 Fig 7 5 Connect the Pipe of Indoor Unit 1 Aim the p...

Page 40: ...ower cord and drain hose 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...

Page 41: ...right handle and valve cover of outdoor unit and then remove the handle and valve cover As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig...

Page 42: ...alve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open...

Page 43: ...er No power 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 a...

Page 44: ...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 45: ...too high Manostat 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 m...

Page 46: ...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 47: ...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 fan operates During heating operation all l...

Page 48: ...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 49: ...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 50: ...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 51: ...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 52: ...p while indoor fan will operate During heating operation the complete unit will stop Supply voltage is unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During c...

Page 53: ...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 54: ...ess Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfu...

Page 55: ...r the malfunction is eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Repl...

Page 56: ...of detecting plate WIFI JF Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the s...

Page 57: ...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...

Page 58: ...200V Fault with the 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 250V...

Page 59: ...essure is too high 5 Other conditions 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 T...

Page 60: ...gh temperature protection 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 protec...

Page 61: ...for compressor stopping enough Fault diagnosis process 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 w...

Page 62: ...wires for the compressor 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 elimin...

Page 63: ...cess 20 minutes after 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 clo...

Page 64: ...ny damage or short circuit 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 resi...

Page 65: ...pment operate normally 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 t...

Page 66: ...xploded View and Parts List 10 1 Indoor Unit FAN MODE ON OFF 1 2 3 4 38 39 5 36 37 7 8 9 10 11 12 13 14 15 16 17 34 35 18 19 20 21 22 23 24 25 26 27 33 28 29 30 31 32 6 40 The component picture is onl...

Page 67: ...01246601 1501246601 1501246601 1 18 Connecting pipe clamp 2611216401 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 76712012 1 20 Stepping Motor 1521210108 1521210703 1521210108 1...

Page 68: ...601 1501246601 1501246601 1 18 Connecting pipe clamp 2611216401 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 76712012 1 20 Stepping Motor 1521210108 1521210703 1521210108 152121...

Page 69: ...52056 1 17 Fan Motor 1501246601 1501246601 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210108 1521210703 1521210108 152121070...

Page 70: ...tallation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 1 2 3 4 5 7 8 26 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2...

Page 71: ...10 4 Way Valve Assy 030152000158 030152000137 030152000137 1 11 Big Handle 2623343106 2623343106 2623343106 1 12 Valve Cover 22243006 22243006 22243006 1 13 Cut off Valve Assy 0713379101 03005700067 0...

Page 72: ...or and Fittings 00103925G 1 9 Compressor Gasket 76710287 3 10 4 Way Valve Assy 030152000158 1 11 Big Handle 2623343106 1 12 Valve Cover 22243006 1 13 Cut off Valve Assy 0713386501 1 14 Cut off Valve A...

Page 73: ...e horizontal louver Open the panel Panel Left filter and right filer Axile bush Location of step motor Horizontal louver Loosen the clasp shown and then pull the left filter and right filer outwards t...

Page 74: ...e the panel rotation shaft from the groove fixing the front panel and then removes the front panel Remove the screws fixing front case Loosen the clasps of front case Life the front case sub assy upwa...

Page 75: ...e indoor tube temperature sensor from the evaporator Remove the screws at the connection place between grounding wire and evaporator Loosen the connection clasps between shield cover of electric box s...

Page 76: ...pipe Remove the screw fixing electric box assy and then remove the electric box assy At the back of the unit remove the screw fixing connection pipe clamp and then remove the connection pipe clamp Rem...

Page 77: ...Motor clamp Remove the screws fixing motor clamp and then remove the motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to...

Page 78: ...cedure of Outdoor Unit Procedure Steps 1 Remove big handle 2 Remove top cover top cover big handle valve cover Before disassamble Remove the screws fixing big handle valve cover and then remove them R...

Page 79: ...n 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 screws fixing protective grille and then...

Page 80: ...remove the motor Remove the screws fixing motor support and then remove the motor support Remove the screws fixing clapboard and then remove the clapboard Remove the screws fixing electric box assy c...

Page 81: ...e compressor Remove the screws fixing valve support and then remove the valve support Unsolder the welding joint connecting the valve with capillary and condenser unsolder the welding joint connecting...

Page 82: ...8m 2 Min length of connection pipe For the unit with standard connection pipe of 5m there is no limitation for the min length of connection pipe For the unit with standard connection pipe of 7 5m and...

Page 83: ...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 84: ...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...

Page 85: ...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...

Page 86: ...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...

Page 87: ...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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