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Gree GWH09KF-K3DNA5G, Service Manual

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Gree GWH09KF-K3DNA5G Service Manual Download Page 91

88

Installation and Maintenance

Service Manual

11.Remove Compressor

a

Remove  the  2  screws  fixing  the  gas  valve.
Unsolder the welding spot connecting gas 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 connecting liquid  valve and remove the
liquid valve.

b

Remove the 3 footing screws of the compressor
and remove the compressor.

Compressor

Gas valve

Liquid valve

Steps

Procedure

Summary of Contents for GWH09KF-K3DNA5G

Page 1: ...s GWH09KF K3DNA5G GWH09KF K3DNA6G GWH09KF K3DNA9G GWH09KF K3DNB1G GWH09KF K3DNB2G GWH09KF K3DNB4G GWH09KF K3DNA8G GWH09KF K3DNB3G GWH12KF K3DNA5G GWH12KF K3DNA6G GWH12KF K3DNA9G GWH12KF K3DNB1G GWH12K...

Page 2: ...m 12 5 Electrical Part 13 5 1 Wiring Diagram 13 5 2 PCB Printed Diagram 15 6 Function and Control 17 6 1 Remote Controller Introduction 17 6 2 Brief Description of Modes and Functions 21 Part Installa...

Page 3: ...n 55 10 Exploded View and Parts List 57 10 1 Indoor Unit 57 10 2 Outdoor Unit 67 11 Removal Procedure 70 11 1 Removal Procedure of Indoor Unit 70 11 2 Removal Procedure of Outdoor Unit 84 Appendix 89...

Page 4: ...on Indoor Unit GWH09KF K3DNA6G I GWH12KF K3DNA6G I GWH09KF K3DNA5G I GWH12KF K3DNA5G I GWH09KF K3DNB2G I GWH12KF K3DNB2G I GWH09KF K3DNA9G I GWH12KF K3DNA9G I GWH09KF K3DNB1G I GWH12KF K3DNB1G I GWH09...

Page 5: ...nual Outdoor Unit Remote Controller GWH09KF K3DNA6G O GWH12KF K3DNA6G O YB1F2 XFAN FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT G...

Page 6: ...Unit Indoor Unit Model 1 GWH09KF K3DNA6G I 2 GWH09KF K3DNB2G I 3 GWH09KF K3DNA5G I 4 GWH09KF K3DNA9G I 5 GWH09KF K3DNB1G I 6 GWH09KF K3DNB4G I 1 CB146N36200 2 CB409N02701 3 CB146N37600 4 CB146N37001...

Page 7: ...tdoor Unit Fan Motor Power Output W 30 Outdoor Unit Fan Motor RLA A 0 36 Outdoor Unit Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 1600 Outdoor Unit Fan Type Axial flow Outdoor Unit Fan Dia...

Page 8: ...el 1 GWH12KF K3DNA6G I 2 GWH12KF K3DNB2G I 3 GWH12KF K3DNA5G I 4 GWH12KF K3DNA9G I 5 GWH12KF K3DNB1G I 6 GWH12KF K3DNB4G I 1 CB146N36100 2 CB409N02400 3 CB146N37500 4 CB146N37101 5 CB146N38000 6 CB146...

Page 9: ...door Unit Fan Motor Power Output W 30 Outdoor Unit Fan Motor RLA A 0 36 Outdoor Unit Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 1600 Outdoor Unit Fan Type Axial flow Outdoor Unit Fan Diam...

Page 10: ...K3DNA9G I 3 GWH09KF K3DNA8G I 4 GWH09KF K3DNB3G I 1 GWH12KF K3DNA6G I 2 GWH12KF K3DNA9G I 3 GWH12KF K3DNB3G I 4 GWH12KF K3DNA8G I 1 CB146N36200 2 CB146N37000 CB146N37002 3 CB146N38902 4 CB146N39400 1...

Page 11: ...Fan Motor Speed rpm 900 900 Outdoor Unit Fan Motor Power Output W 30 30 Outdoor Unit Fan Motor RLA A 0 36 0 36 Outdoor Unit Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 1600 1600 Outdoor U...

Page 12: ...r temp C Capacity ratio Outdoor temp C Capacity ratio Capacity ratio Outdoor temp C 20 15 10 5 0 5 10 110 120 130 100 90 80 70 60 50 40 50 60 70 80 90 100 110 120 130 32 33 34 35 36 37 38 39 40 41 42...

Page 13: ...K 0 9 to 1 1 12 to 14 75 to 37 Super High High 63 12K 0 8 to 1 0 10 to 12 85 to 43 Super High High 70 Rated heating condition C DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inle...

Page 14: ...ice Manual 3 Outline Dimension Diagram 3 1 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 3 2 Outdoor Unit unit mm unit mm...

Page 15: ...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 16: ...bol Color Symbol Symbol Color Symbol Name WH White 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 c...

Page 17: ...8 1 8 7 7 HDWHU HDWHU DQG RPS DQG RWWRP 2 867 2875220 28778 3 16 21 9 9 1 1 1 1 1 1 3 3 1 6 7 2 0 62 7 21 75 5 1 0 1 7 N N N 5 1 0 1 7 5 1 0 1 7 5 9 9 9 7521 9 1 6 1625 57 57 57 7 03 6 1625 7 03 6 162...

Page 18: ...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 19: ...Unit TOP VIEW BOTTOM VIEW No Name 1 Compressor 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 w...

Page 20: ...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 21: ...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...

Page 22: ...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 23: ...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 24: ...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 25: ...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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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...

Page 33: ...expansion 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...

Page 34: ...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 35: ...revent rain from getting into the room As show in Fig 24 2 Fix the power connection wire and power cord with wire clip 2 Install Drain Joint Only for cooling and heating unit 1 Connect the outdoor dra...

Page 36: ...nd 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 connect the other charging hose to the vacuum pum...

Page 37: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...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 54: ...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 55: ...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 56: ...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 57: ...he 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 ab...

Page 58: ...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 59: ...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 60: ...Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 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...

Page 61: ...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 62: ...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 63: ...Light Cover 22242084 22242084 22242084 1 18 Indicator Shield Cover 22242083 22242083 22242083 1 19 Display Board 30568112 30568112 30568112 1 20 Electric Box 20112086 20112086 20112086 1 21 Capacitor...

Page 64: ...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 65: ...Light Cover 22242084 22242084 22242084 1 18 Indicator Shield Cover 22242083 22242083 22242083 1 19 Display Board 30568112 30568112 30568112 1 20 Electric Box 20112086 20112086 20112086 1 21 Capacitor...

Page 66: ...dicator 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...

Page 67: ...dicator 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...

Page 68: ...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 69: ...icator 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 70: ...67 Installation and Maintenance Service Manual 10 2 Outdoor Unit...

Page 71: ...1501308506 1501308506 1 12 Top Cover Sub Assy 01253073 01253073 1 13 Motor Support 01703104 01703104 1 14 Condenser Assy 01100200141 01100200141 1 15 Rear Grill 01473009 01473009 1 16 Electric Expand...

Page 72: ...01308506 1501308506 1 12 Top Cover Sub Assy 01253073 01253073 1 13 Motor Support 0170310401 0170310401 1 14 Condenser Assy 01100200142 01100200142 1 15 Rear Grill 01473009 01473009 1 16 Electric Expan...

Page 73: ...n 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 Li...

Page 74: ...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 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ...77 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 81: ...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 82: ...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 83: ...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 84: ...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 85: ...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 86: ...83 Installation and Maintenance Service Manual Take down the motor sub assy Remove fan motor Steps Points Procedure d e...

Page 87: ...f all power supplies and discharge the refrigerant completely before removal 1 Remove big handle 2 Remove top cover Top cover Big handle Before disassamble Remove 1 connection screw fixing big handlea...

Page 88: ...ove 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 the axia...

Page 89: ...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 time...

Page 90: ...ove 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 Clapboard...

Page 91: ...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 connecting liq...

Page 92: ...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 93: ...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 94: ...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 95: ...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 96: ...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 97: ...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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