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Gree GWH09KF-K3DNA6G/I, Service Manual, Page: 8 / 63

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Gree GWH09KF-K3DNA6G/I Service Manual Download Page 8

5

Technical Information

Service Manual

4. Refrigerant System Diagram

  Indoor unit     

  Outdoor unit   

COOLING 

HEATING 

Accumlator 

4-Way valve 

Discharge

Suction

Heat 

exchanger

(evaporator)   

Heat 

exchanger

(condenser)   

 Valve

 Valve

Liquid pipe

side

Gas pipe

side

  Compressor   

Strainer

Strainer

Capillary

  Indoor unit     

  Outdoor unit   

COOLING 

HEATING 

4-Way valve 

Discharge

Suction

Heat 

exchanger

(evaporator)   

Heat 

exchanger

(condenser)   

 Valve

 Valve

Liquid pipe

side

Gas pipe

side

Strainer Electron 

expansion 

valve

Strainer

Capillary

Accumlator 

  Compressor   

Connection pipe specification: 

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

Summary of Contents for GWH09KF-K3DNA6G/I

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWH09KF K3DNA6G I GWH12KF K3DNA6G I Refrigerant R410A...

Page 2: ...of Modes and Functions 12 Part Installation and Maintenance 16 7 Notes for Installation and Maintenance 16 8 Installation 18 8 1 Installation Dimension Diagram 18 8 2 Installation Parts checking 20 8...

Page 3: ...11 Removal Procedure 41 Appendix 55 Appendix 1 Reference Sheet of Celsius and Fahrenheit 55 Appendix 2 Configuration of Connection Pipe 55 Appendix 3 Pipe Expanding Method 56 Appendix 4 List of Resis...

Page 4: ...nual 1 Summary Part Technical Information Indoor Unit GWH09KF K3DNA6G I GWH12KF K3DNA6G I Remote Controller YB1F2 XFAN FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN...

Page 5: ...1140 980 820 1350 1190 1020 850 Fan Motor Power Output W 10 10 Fan Motor Running Current A 0 18 0 18 Fan Motor Capacitor F 1 2 1 2 Evaporator Material Aluminum Fin copper Tube Aluminum Fin copper Tub...

Page 6: ...urve Indoor side noise when blowing Outdoor side noise when blo Indoor fan motor rotating speed Compressor freque Noise dB A 50 60 30 40 20 Low Middle High Super High 12K 09K 40 42 44 46 48 50 52 54 5...

Page 7: ...4 Technical Information Service Manual 3 Outline Dimension Diagram Indoor Unit 70 70 70 90 45 45 40 55 55 55 55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 770 201 283 103 149 542 176 130 685 193 unit mm...

Page 8: ...nser Valve Valve Liquid pipe side Gas pipe side Compressor Strainer Strainer Capillary Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger c...

Page 9: ...e GN Green CAP Jumper cap YE Yellow BN Brown COMP 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 a...

Page 10: ...ction 3 Interface of neutral wire 4 Interface of neutral wire for health function 5 Interface of neutral wire and live wire communication 6 Control interface of PG motor 7 Feedback interface of indoor...

Page 11: ...n on remote controller displays the corresponding start up function s icon Buttons on remote controller Introduction for icons on display screen ON OFF Button 2 3 1 5 6 4 9 10 8 12 13 11 MODE Button B...

Page 12: ...speed medium speed and high speed 3 or button After each pressing of or button it can increase or decrease set temperature 1o C 1o F 2o F Hold or button 2s later set temperature on remote controller w...

Page 13: ...temperature or outdoor ambient temperature on indoor unit s display Temperature is set circularly by remote controller as below When selecting by remote controller or no display temperature indicator...

Page 14: ...d 5 Press button to select fan blowing angle Replacement of batteries in remote controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of bat...

Page 15: ...ill run at low speed If Tpreset 2 C Tamb Tpreset the compressor remains at its original operation state If Tamb Tpreset 2 C the compressor will stop the outdoor fan will stop with a time lag of 30s an...

Page 16: ...ing Protection function a In cooling operation protection is the same as that under the cooling mode b In heating operation protection is the same as that under the heating mode c When ambient tempera...

Page 17: ...turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 3 C the unit will keep this temperature 6 Indoor Fan Control Speed of indoor fan can be set as...

Page 18: ...will stop the inner fans and close the guide louver 13 Power failure memory function What will be memorized includes modes up and down wind blow light preset temperature preset wind speed general timi...

Page 19: ...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 20: ...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 21: ...Manual 8 Installation 8 1 Installation Dimension Diagram Drainage pipe At least 250cm At least 15cm At least 300cm Space to the Space to the ceiling Space to the obstruction At least 15cm At least 15...

Page 22: ...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 23: ...ace near coast area 4 The place with oil or fumes in the air 5 The place with sulfureted gas 6 Other places with special circumstances 2 Grounding Requirement 1 The air conditioner is first class elec...

Page 24: ...sion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole...

Page 25: ...Fig 13 Note Fig 11 Fig 12 Fig 13 Indoor unit Gas pipe Indoor and outdoor power cord Liquid pipe Drain hose Band Drain hose Band Connection pipe Indoor power cord 1 The power cord and control wire can...

Page 26: ...unction or damage the parts 9 Is there any obstruction in air inlet and air outlet It may cause insufficient cooling heating 10 The dust and sundries caused during installation are removed It may caus...

Page 27: ...lease refer 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 ind...

Page 28: ...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 29: ...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 30: ...During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature...

Page 31: ...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 32: ...plete unit will stop Supply voltage is unstable 45 Malfunction of complete units current detection U5 During cooling and drying operation the compressor will stop while indoor fan will operate During...

Page 33: ...30 Installation and Maintenance Service Manual If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears...

Page 34: ...ssible causes 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...

Page 35: ...n 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 Ye...

Page 36: ...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 T...

Page 37: ...he 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 Ap...

Page 38: ...arges 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 39: ...wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU...

Page 40: ...for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Can t be Started Up 2...

Page 41: ...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 42: ...9 Installation and Maintenance Service Manual 10 Exploded View and Parts List Indoor Unit 35 24 12 38 39 40 37 36 22 34 33 32 28 26 23 20 19 18 17 16 15 14 10 9 8 7 6 5 1 3 31 29 27 25 21 13 11 4 2 30...

Page 43: ...cator Light Cover 22242084 22242084 1 18 Indicator Shield Cover 22242083 22242083 1 19 Display Board 30568112 30568112 1 20 Electric Box 20112086 20112086 1 21 Capacitor CBB61 3301000213 3301000213 1...

Page 44: ...is kept pushing for 5 seconds aforced cooling op eration willbe carried out for approx 15minutes Pull protrusions on left and right sides of panel with fingers and open front grille all the way a Lift...

Page 45: ...rs are interchangeable To re install insert air filter along the guide Remove horizontal blade by pulling forward b And pull out the front panel forward to remove Hook a finger onto the projection par...

Page 46: ...s in the left and the right Remove the 3 screws in the right and the left which fix the main body with the front grille a Disengage the hooks by pressing knobs with a screwdriver screws screws electri...

Page 47: ...e set of vertical blades is not marked for difference between right and left a Unfasten the hooks at the upper 2 positions b Unfasten the 3 hooks at the shaft mounting part by pressing them with a fla...

Page 48: ...hat the retainer will not touch the harness same as the existing models Remove temperature sen sor c Remove a screw on the terminal board d Screw Earth wire Take care not to lose the clip of thermisto...

Page 49: ...on and Maintenance Service Manual Remove a screw on the electrical box f Pull up the electrical box forward to remove g Remove fan motor Signal Wire e fan motor Signal Wire Hook Bottom frame Steps Poi...

Page 50: ...e hooks at the upper 2 positions of the shield plate b Unfasten the hook at the lower position and remove the shield plate 1 c Lift the shield plate 2 and unfasten the 2 hooks d Slide the shield plate...

Page 51: ...48 Installation and Maintenance Service Manual Remove display PCB sub Assy f Remove swing motor g Take off wiring terminal e Swing motor Display PCB ASSY Steps Procedure Points...

Page 52: ...anual h To remove the control PCB unfasten the 2 hooks at the upper part from the rear side i Lift up the upper part of the control PCB and remove it Control PCB The control PCB is integrated with the...

Page 53: ...ntaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries When disconnecting pipes cover every nozzle with caps so as...

Page 54: ...ted protect the both openings from entering moisture 10 Remove evaporator assy a Remove the indoor unit from the installation plate b Release the hook of the piping fixture on the back of the unit Gas...

Page 55: ...ews in the right and the left which fix the evaporator assy c d Widen the auxiliary piping to the extent of 10 20 e Pull the evaporator assy to the front side to undo the hooks completely and then lif...

Page 56: ...11 Remove cross flow fan and fan Remove the rubber cushion of the bearing motor Bearing Remove cross flow fan and fan motor a b c Remove the screws at the joint of the cross flow blade and the motor S...

Page 57: ...54 Installation and Maintenance Service Manual Take down the motor sub assy Remove fan motor Steps Points Procedure d e...

Page 58: ...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 59: ...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 60: ...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 61: ...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 62: ...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 63: ...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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