Gree GWH09AAB-K6DNA1A Service Manual Download Page 11

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Technical Information

Service Manual

4. Refrigerant System Diagram

Cooling and heating model

Connection pipe specification:

Liquid pipe:1/4" (6mm)

Gas pipe:3/8" (9.52mm)

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

COOLING

HEATING

Accumlator

4-Way valve

COOLING

Discharge

Suction

Discharge

Suction

Heat

exchanger

(evaporator)

Heat

exchanger

(evaporator)

Heat

exchanger

(condenser)

Heat

exchanger

(condenser)

Valve

Liquid pipe

side

Gas pipe

side

Liquid pipe

side

Gas pipe

side

Compressor

Accumlator

Compressor

Strainer

Capillary

Strainer

Capillary

Summary of Contents for GWH09AAB-K6DNA1A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWH09AAB K6DNA1A GWH12AAB K6DNA1A Refrigerant R32...

Page 2: ...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 17 Part Installation and Maintenance 23...

Page 3: ...10 1 Indoor Unit 58 10 2 Outdoor Unit 60 11 Removal Procedure 64 11 1 Removal Procedure of Indoor Unit 64 11 2 Removal Procedure of Outdoor Unit 69 Appendix 77 Appendix 1 Reference Sheet of Celsius a...

Page 4: ...echnical Information Service Manual 1 Summary Indoor Unit GWH09AAB K6DNA1A I GWH12AAB K6DNA1A I Part Technical Information Outdoor Unit GWH12AAB K6DNA3A O LC GWH09AAB K6DNA3A O LC Remote Controller YA...

Page 5: ...K6DNA1A I Product Code of Indoor Unit CB476N00900 CB476N00301 Fan Type Cross flow Cross flow Diameter Length DXL mm 93X580 93X580 Fan Motor Cooling Speed SH H M L SL r min 1300 1200 1100 850 1350 120...

Page 6: ...Length LXDXW mm 710X19 05X508 731X19 05X550 Fan Motor Speed rpm 900 900 Output of Fan Motor W 30 30 Fan Motor RLA A 0 36 0 36 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 1600 2200 Fan...

Page 7: ...flow Super High Pipe length 5m Outdoor temp C Condition Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Condition Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Condition Indoor DB...

Page 8: ...heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 C T2 C 27 19 35 24 09 12K 0 8 1 1 12 to 15 65 to 38 TURBO High 49 11 to 14 64 to 37...

Page 9: ...6 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm Models W H D W1 W2 W3 09 12K 773 250 185 131 462 180 D H W 75 35 55 W3 W2 W1 55 35 75...

Page 10: ...7 Technical Information Service Manual 3 2 Outdoor Unit 257 780 596 842 286 540 320 Unit mm 09K 12K Unit mm 320 782 510 712 257 286 540...

Page 11: ...ipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve...

Page 12: ...t OG Orange 5 Electrical Part 5 1 Wiring Diagram Indoor Unit Instruction Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 60000700097302 7 6 1625 7...

Page 13: ...5 2 5 29 203 6 7 5 9 8 203 203 9 8 8 5 0 1 7 5 1 32 5 1 1 8 1 1 1 3 1 75 2 3 0 62 7 21 6 7 3 1 8 5 127 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU JURXQG RQO 1 225 81 7 600007000763 600007000687 09K 12K RI...

Page 14: ...face of health function live wire 4 Live wire interface 5 Interface of health function neutral wire only for the model with this function 6 Neutral wire interface 7 Fan motor interface of PG 8 Fuse 9...

Page 15: ...al 2 Reactor wiring terminal 3 Outdoor fan wiring terminal 4 Terminal of chassis electric heater 5 Terminal of compressor electric heater 6 Terminal of 4 way valve 7 Grounding wire 8 Communication wir...

Page 16: ...t Please refer to the actual models This is a general use remote controller it could be used for the air conditioners with multifunction For some function which the model doesn t have if press the cor...

Page 17: ...om AUTO COOL DRY FAN and HEAT as the following AUTO COOL DRY FAN HEAT Note Only for models with heating function This button is used for setting Fan Speed in the sequence that goes from AUTO to then b...

Page 18: ...nd buttons simultaneously 3s to lock or unlock the keypad If the remote pressing any button blinks three times controller is locked is displayed In this case Combination of and buttons About lock Abou...

Page 19: ...some models Replacement of batteries in remote controller Emergency operation If remote controller is lost or damaged please use auxiliary button to turn on or turn off the air conditioner When the ai...

Page 20: ...alue under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If theres I feel function Tcompensation is 0 Others are same as above 5 Fan mode...

Page 21: ...remote control code 01 current set temperature will be displayed 2 Only when remote control signal is switched to indoor ambient temperature display status corresponding remote control code 10 from o...

Page 22: ...set Tindoor ambient temperature Tcompensation 1 unit operates according to the previous status When Tpreset Tindoor ambient temperature Tcompensation 2 compressor stops operation and outdoor fan will...

Page 23: ...operating under this mode fan speed will adjust according to auto fan speed if compressor stops operation under this mode indoor fan will be in residual heat blowing status When power on communicatio...

Page 24: ...e unit adequately grounded The grounding wire cant 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...

Page 25: ...liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected...

Page 26: ...stalling the unit at the place where there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for...

Page 27: ...entilated The continuous ventilation status should be kept during the operation process Check whether there is fire source or potential fire source in the maintenance area The naked flame is prohibite...

Page 28: ...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 29: ...t least 15cm At least 50cm At least 50cm At least 30cm At least 300cm Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to...

Page 30: ...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 31: ...ounding with specialized 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 groun...

Page 32: ...tlet 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 As sho...

Page 33: ...cover As show in Fig 11 8 Bind up Pipe 1 Bind up the connection pipe power 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...

Page 34: ...heating unit 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 along the wall bent reasonably and hidden possibly Mi...

Page 35: ...tricity The water outlet can t be placed in water 1 Use Vacuum Pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of pi...

Page 36: ...efer to the malfunction analysis discharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan...

Page 37: ...d 14 Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the...

Page 38: ...operation the 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...

Page 39: ...ll stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 During cooling operation compresso...

Page 40: ...6 PFC protection HC OFF 3S and blink 14 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refe...

Page 41: ...pressor will stop while indoor fan will operate During heating operation the complete unit will stop Supply voltage is unstable 45 Malfunction of complete units current detection U5 During cooling and...

Page 42: ...39 Installation and Maintenance Service Manual If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears...

Page 43: ...s insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protecto...

Page 44: ...oken 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 Yes Yes...

Page 45: ...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...

Page 46: ...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 47: ...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...

Page 48: ...normally Replace outdoor mainboard Connect normally Adjust the connection Replace fan capacitor Replace motor Fan capacitor is broken Motor is broken Replace mainboard Improve the radiating environme...

Page 49: ...er than 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 210V...

Page 50: ...ure Loose Is the connection in correct order Is the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT Is the comp...

Page 51: ...two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Technical Serv...

Page 52: ...d high 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 pr...

Page 53: ...ompressor stopping enough Fault diagnosis process No Yes No No Yes Yes Yes No Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are...

Page 54: ...sor 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 comp...

Page 55: ...utes 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 close to the t...

Page 56: ...re is any 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 t...

Page 57: ...id the equipment 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 c...

Page 58: ...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...

Page 59: ...d for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Maintenance method for normal malfunction 1 Air Conditioner Cant be Started Up 2...

Page 60: ...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 Cant Operate Possible causes Discriminating m...

Page 61: ...nance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 62: ...52022 26152022 1 11 Evaporator Support 200025000003 200025000003 1 12 Evaporator Assy 011001000388 011001000388 1 13 Fan Motor 150120874 150120874 1 14 Wall Mounting Frame Sub assy 017211000005 017211...

Page 63: ...ation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 12K 1 2 3 4 5 7 8 9 10 11 12 13 14 27 26 15 16 17 18 19 20 21 22 2...

Page 64: ...Compressor and Fittings 00103925G 1 9 Compressor Gasket 76710287 3 10 4 Way Valve Assy 030152000016 1 11 Big Handle 2623343106 1 12 Valve Cover 22243006 1 13 Cut off Valve 071302391 1 14 Cut off Valve...

Page 65: ...62 Installation and Maintenance Service Manual 09K The component picture is only for reference please refer to the actual product 16 15 14 13 12 6 5 4 3 2 1 7 8 9 10 17 19 18 20 21 22 23 24 25 26 11...

Page 66: ...7000000134P 1 11 Fan Motor 1501308507 1 12 Small Handle 26233100 1 13 Top Cover Sub Assy 01253073 1 14 Motor Support 01703104 1 15 Condenser Assy 011002000557 1 16 Rear Grill 01473009 1 17 Capillary S...

Page 67: ...iler Axile bush Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them Push out the axile bush on horizontal louver Bend the horizontal...

Page 68: ...box cover 2 Screw Panel Display Screws Front panel Front case sub assy Panel rotation Groove 3 Remove panel 4 Remove electric box cover 2 5 Remove front case sub assy Front case sub assy Front case s...

Page 69: ...he power cord Remove the wiring terminal of power cord Lift up the main board and take it off Electric box Cold plasma generator Grounding screw Indoor tube temperature sensor Electric box assy Main b...

Page 70: ...move the connection pipe clamp First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell Remove 3 screws fixing evapora...

Page 71: ...lade and motor lift the motor and cross flow blade upwards to remove them 8 Remove motor and cross flow blade Motor clasp Screws Remove 3 screws fixing motor clamp and then remove the motor clamp a Cl...

Page 72: ...dure 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 Rem...

Page 73: ...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 74: ...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 75: ...oint connecting the valve with capillary and condenser unsolder the welding joint connecting the gas valve and air return pipe remove the 2 screws fixing the gas valve to remove the gas valve Unsolder...

Page 76: ...move big handle top panel a Before disassembly Remove the connection screw fixing the big handle and then remove the handle Remove connection screws connecting the top cover plate with the front panel...

Page 77: ...blade and then remove the axial flow blade Remove screws fixing electric box cover and then remove the electric box cover Cut off the tieline pull out all wiring terminals and remove all connection w...

Page 78: ...should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor Remove the 4 tapping screws fixing the motor Pull out the lead out wi...

Page 79: ...lve and the air return pipe to remove the gas valve Remove the 2 screws fixing the liquid valve and unsolder the welding joint connecting the liquid valve to the Y type pipe to remove the liquid valve...

Page 80: ...s o C Fahrenheit display temperature o F Fahrenheit o F Celsius o C Fahrenheit display temperature o F Fahrenheit o F Celsius o C 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 8...

Page 81: ...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 82: ...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 83: ...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 84: ...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 85: ...d Qianshan 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 Towe...

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