Gree GWC36LB-D3DNA3A Service Manual Download Page 49

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Summary of Contents for GWC36LB-D3DNA3A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Change for Life 1 1 1 1 1 1 1 1 1 1 1 5HIULJHUDQW 5 02 6...

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Page 4: ...6XPPDU DQG HDWXUHV 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 2 QGRRU 8QLW 2XWGRRU 8QLW 5HPRWH RQWUROOHU FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP...

Page 5: ...repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lea...

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Page 12: ...ndition Indoor DB68 F WB62 6 F Indoor air flow high Pipe length 24 6ft Condition Indoor DB68 F Indoor air flow high Pipe length 24 6ft O O O Current A Compressor Speed rps 25 35 45 55 65 70 65 55 45 3...

Page 13: ...12 10 8 6 4 18 Current A Current A 16 14 12 10 8 6 4 18 Condition Indoor DB68 F WB62 6 F Indoor air flow high Pipe length 24 6ft Condition Indoor DB68 F Indoor air flow high Pipe length 24 6ft O O O R...

Page 14: ...tdoor temp 90 95 100 108 118 60 70 80 90 100 110 120 50 40 40 50 120 110 100 90 80 70 60 50 45 32 18 5 Capacity ratio Capacity ratio 50 40 40 50 120 110 100 90 80 70 60 50 45 32 18 5 Outdoor temp Outd...

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Page 16: ...mpressor speed changed Noise dB A Cooling Heating 60 55 50 70 65 55 45 35 25 15 High Middle Low 48 50 52 54 56 Indoor side noise when blowing Noise dB A Outdoor side noise when Compressor speed change...

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Page 18: ...6 VWHP LDJUDP Capillary 2 Way 3 Way 2 Way valve Strainer Strainer Strainer 3 Way valve Muffler 4 Way valve Heat exchanger INDOOR Heat exchanger OUTDOOR r o t a l u m u c c a b u S r o s s e r p m o C...

Page 19: ...W SLSH GLDPHWHU LTXLG DV 1 1 1 1 2 Way valve Strainer Strainer Strainer 3 Way valve Muffler 4 Way valve Heat exchanger INDOOR Heat exchanger OUTDOOR r o t a l u m u c c a b u S r o s s e r p m o C Coo...

Page 20: ...Color symbol Symbol Color symbol Symbo Part name SAT OVERLOAD BU BLUE VT VIOLET COMP COMPRESSOR YE YELLOW OG ORANGE PROTECTIVE EARTH PROTECTIVE EARTH RD RED BK BLACK BN BROWN YEGN YELLOW GREEN Symbol...

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Page 27: ...T Press it to turn on off the light MODE icon If MODE button is pressed current operation mode icon AUTO COOL DRY FAN or HEAT is only for heat pump models will show LOCK icon is displayed by pressing...

Page 28: ...for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrea...

Page 29: ...AT mode the SLEEP mode runs after 1hour the setting temp will be decreased by1 2 hours later setting temp will be decreased by2 then it will run LIGHT Press LIGHT button to turn on the display s light...

Page 30: ...perate at original state Start cooling Stop cooling Compresso r Original working state Run Stop Outdoor fan Indoor fan Tpreset Tpreset 3 6 Tamb Preset fan s pee d 6 minutes 6 minutes 3 minutes Protect...

Page 31: ...04 the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non...

Page 32: ...ube 136 the compressor will run at reduced frequency d If T tube 144 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube 126 the unit will return to its...

Page 33: ...open circuited or short circuited for successive 30 seconds Outdoor tube temperature The sensor is detected to be open circuited or short circuited for successive 30 seconds and no detection is perfo...

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Page 36: ...pace to the wall Space to the wall Air outlet side Space to the floor Above Above 5 9 in Above 5 9 in Above 11 8in Above 19 7 in Above 19 7 in Above 11 8 in Above 78 7in Above Above Space to the obstr...

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Page 54: ...controller burnt out The air condi tioner does not react after it is powered after the switch is on the buzzer does not sound and the remote startup has no response Remote controller malfunction Rece...

Page 55: ...on 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 accumulated on the su...

Page 56: ...tat 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 motor Adjust the...

Page 57: ...pe 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 cool heat mode...

Page 58: ...ection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heati...

Page 59: ...sensor is open short circuited F3 OFF 3S and blink 3 times OFF 3S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complet...

Page 60: ...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 capacitor C on control panel AP1 if its n...

Page 61: ...k 18 times 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...

Page 62: ...imes During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protect...

Page 63: ...lfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the compl...

Page 64: ...Indicator 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 52 Normal communica...

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Page 67: ...00V 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 250VAC...

Page 68: ...lting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Other conditions r...

Page 69: ...sis process End Y Y N Y N N Y N Overheat and high temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indo...

Page 70: ...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 wires for the co...

Page 71: ...r longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control...

Page 72: ...tes 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 te...

Page 73: ...Check wiring of the reactor L of the outdoor unit and the PFC capacitor Whether there is any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is elimin...

Page 74: ...ormally 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 the outdoor unit...

Page 75: ...1 of the outdoor unit If the fault is eliminated Is the connection right Check the wiring of the indoor and outdoor units with reference to the wiring diagram Correctly connect the corresponding wires...

Page 76: ...fully open Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units Check if the indoor outdoor filters or radiating fins are dirty or blocked Clean the fins The s...

Page 77: ...986 1 322 0 444 24 73 4 802 1 282 0 433 23 6 4 625 1 244 0 422 22 53 4 456 1 207 0 412 21 51 4 294 1 171 0 401 20 54 4 139 1 136 0 391 19 63 3 99 1 103 0 382 Appendix 1 Resistance Table of Ambient Te...

Page 78: ...648 1 736 0 592 32 98 6 403 1 71 0 577 31 47 6 167 1 658 0 563 30 04 5 942 1 609 0 549 28 68 5 726 1 561 0 535 27 39 5 519 1 515 0 521 26 17 5 32 1 47 0 509 Appendix 2 Resistance Table of Outdoor and...

Page 79: ...827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6...

Page 80: ...er turning off all power supplies before disassembly Steps Procedure 1 Before disassembly of the unit 2 Remove filter panel clasps filter Axonometric drawing for the complete unit Open the panel Loose...

Page 81: ...emove horizontal louver display clasp panel horizontal louver Remove 2 screws fixing display and then remove the filter Pull the clasps at both sides slightly and then remove the panel Remove the axia...

Page 82: ...front case screw top cover of electric box screw cap screw front case Procedure Steps Remove screws fixing the top cover of electric box Remove the top cover of electric box Remove the screw caps on...

Page 83: ...thing wire 9 Remove electric box cover screw clasp clasp electric box cover Remove earthing screws and then remove the earthing wire Loosen clasps at the left side of electric box Loosen clasps on the...

Page 84: ...ure Steps 10 Remove temperature sensor 11 Remove electric box temperature sensor screw electric box Pull out the indoor temperature sensor Pull out 6 sockets on PCB board Pull out two screws on electr...

Page 85: ...on position for indoor and outdoor units connection pipe pipe stopping plate screw screw damping board Pull the water tray upwards and then remove the water tray Separate the connection pipe between i...

Page 86: ...rew evaporator screw Remove screws between evaporator and bottom case Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line Lift up the evaporator and then rem...

Page 87: ...5HPRYDO 3URFHGXUH 1 Procedure Steps 2 3 18 Remove cross flow blade and motor blade motor Remove screws fixing cross flow blade and motor Remove the motor sub assy Separate two cross flow blade...

Page 88: ...5HPRYDO 3URFHGXUH 1 2 Procedure Steps 19 Remove cushion rubber cushion rubber Remove the cushion rubber on cross flow blade Remove the cushion rubber from the base...

Page 89: ...p cover and front side plate Use the screwdriver to remove the screws connecting the top panel and panel and side panels Remove the top panel Loosen the screws fixing the valve cover and then remove t...

Page 90: ...panel chassis and motor support with screwd river and then remove the panel 4 Remove guard grille Twist off the screws fixing the guard grille and then remove the guard grille 5 Remove handle Twist o...

Page 91: ...nd then remove the right side plate Twist off the screws on electric box cover with screwdriver and then remove the electric box cover Twist off the screws on electric box cut off the tieline with sci...

Page 92: ...blade Twist off the screws between electric box 1 and left side plate with screw driver pull it upwards to remove the electric box 1 Twist off the screws connecting the left side plate and chassis wi...

Page 93: ...screws fixing the motor pull out the pin of leading wire for motor and then remove the motor Twist off the tapping screws fixing the motor support pull it upwards and then remove the motor support Uns...

Page 94: ...dering joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection...

Page 95: ...chassis 15 Remove support plate of condenser Twist off the screws connecting the support plate of condenser and condenser with screwdriver and then remove the support plate of condenser 16 Remove chas...

Page 96: ...the product specification and appearance in this manual without notice and without incurring any obligations Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669...

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