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Gree GWH12TB-D3DNA1A Service Manual
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Gree GWH12TB-D3DNA1A Service Manual

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Change for Life
Service Manual
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

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Summary of Contents for Gree GWH12TB-D3DNA1A

  • Page 1 Change for Life Service Manual GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
  • Page 4 MODE ON/OFF...
  • Page 5 Installing, starting up, and servicing air conditioner can be Make sure the outdoor unit is installed on a stable, level hazardous due to system pressure, electrical components, surface with no accumulation of snow, leaves, or trash and equipment location, etc. beside.
  • Page 12 Cooling Heating Condition Condition Indoor:DB 80.6°F WB66.2°F Indoor:DB 68°F Indoor air flow: Super High Indoor air flow: Super High Pipe length:24.6ft Pipe length:24.6ft Compressor speed(rps) Compressor speed(rps) Cooling Heating Condition Condition Indoor:DB 80.6°F WB66.2°F Indoor:DB 68°F Indoor air flow: Super High Indoor air flow: Super High Pipe length:24.6ft Pipe length:24.6ft...
  • Page 13 Cooling Heating Condition Condition Indoor:DB 80.6°F WB66.2°F Indoor:DB 80.6°F WB66.2°F Indoor air flow: Super High Indoor air flow: Super High Pipe length:24.6ft Pipe length:24.6ft 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp. (°F) Outdoor temp.
  • Page 14 Cooling Heating Indoor side noise when blowing Outdoor side noise Outdoor side noise Right Right side side Front Front Middle High Indoor fan motor rotating speed Compressor frequency/Hz Compressor frequency/Hz Cooling Heating Indoor side noise when blowing Outdoor side noise Outdoor side noise Right Right...

  • Page 18: Indoor Unit

    INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Di s charge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE Strainer Electron expansion valve Strainer COOLING HEATING...
  • Page 19 (optional) ROOM TEMP. TUBE RECEIVER TEMP. FAN MOTOR DISPLAY BOARD SENSOR SENSOR CONNECTOR MANUAL PANEL TERMINAL ROOM TUBE DISP1 DISP2 DC-MOTOR COM-INNER1 BLOCK BU(WH) N(1) COM-OUT BN(RD) AC-L YEGN(GN) PRINTED CIRCUIT BOARD JUMP C0NNECTING YEGN CABLE YEGN SWING-LR SWING-UD1 SWING-UD2 EVAPORATOR YEGN ELECTRIC BOX...
  • Page 20 COMP TUBE OUTROOM EXHAUST W8 YEGN COMP TEM.SENSOR TEM.SENSOR TEM.SENSOR W4 YEGN W10 RD W5 BU W 6 YE W7 RD W13 WH COMP-U COMP-V COMP-W INDOOR UNIT OVC-COMP W2 BU N(1) N(1) W3 BK COMU W1 BN AC-L1 OFAN1 W14 YEGN TERMINAL HEAT-L...
  • Page 21 COMP. 6YEGN U(R) COMP V(S) W(C) OUTTUBE DISCHARGE OUTROOM MAGNETIC 4-WAY TEMP. SENSOR TEMP. SENSOR TEMP. SENSOR RING VALVE CONNECTOR GN(YEGN) 15YE 16BU 17RD 14YEGN COMP-U COMP-V COMP-W WH(BU) T-SENSOR OVC-COMP N(1) 11BK COM-INNER(1) RD(BN) PRINTED CIRCUIT BOARD BK(BN) AC-L WH(BU) 10BU OFAN...
  • Page 23 Input of neutral Interface 1 of Neutral wire of electric Live wire of 4-way 13 Temp sensor wire of power electric reactor heater of chassis valve Input of live Interface 2 of Neutral wire of electric Live wire of electric U,V,W three phases wire of power electric reactor...
  • Page 24 Compressor overload Compressor interface Temperature sensor Electric expansion valve protector Communication interface Fan HALL interface Outdoor fan 4-way valve with indoor unit Live wire Earthing wire Neutral wire Reactor interface 1 PFC capacitor interface 1 Reactor interface 2...
  • Page 26 Signal transmitter FAN button Press this button, Auto, Low , Medium-low Medium, Medium-high, High speed can be circularly selected. After powered on, Auto fan speed is default. Under DRY mode, Low fan speed only can be set up. Remote control AUTO Medium-low fan Low fan...
  • Page 27 Note: Besure that there are no obstructions between receiver and remote controoler; Don't drop or throw the remote control; Don't let any liquid in the remote control and put the remote control directly under the sunlight or any place where is very hot. X-FAN X-FAN button ●...
  • Page 28 This wireless remote control is universal, and it could be used for many units, some buttons of this control which are not available to this unit will not be described below. TIMER ON TIMER ON BUTTON Timer On setting: Signal “ON”will blink and ●...

  • Page 29: Sleep Button

    Press this button, can select Sleep 1 ( ), Sleep 2 ( ● Sleep 3 ( ) and cancel the Sleep, circulate between these, after electrified, Sleep Cancel is defaulted. Sleep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status ●...
  • Page 30 (3) Under the initial presetting temperature 69 F 81 F, after Sleep function started up, the temperature will decrease in every hour, 1 F 2 F after 1 F 2 F decreased, this temperature will be maintained. (4) Under the initial presetting temperature , after 82 F 86 F Sleep function started up, the temperature will decrease...
  • Page 31 Guide for operation- general operation 1. After powered on, press ON/OFF button, the unit will start to run. (Note: When it is powered on, the guide louver of main unit will close automatically.) 2. Press MODE button, select desired running mode. 3.
  • Page 32 About switch between Fahrenheit and Centigrade Under status of unit off, press MODE and - buttons simultaneously to switch℃ and ℉. Combination of " TEMP" and "CLOCK" buttons : About Energy-saving Function Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays “SE”.

  • Page 33: Temperature Parameters

    1. Temperature Parameters Indoor preset temperature (Tpreset) Indoor ambient temperature (Tamb.) 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function 3-minute lag; if the compressor is in operation before de-energization, the compressor will be started with a 3-minute lag; and once started, the compressor will not be stopped within 6 minutes regardless of changes in room temperature;...

  • Page 34: Auto Mode

    Condition and process of defrost (1)When Toutdoor amb. 41 °F and compressor has accumulated operated for 3 hours, if Toutdoor pipe -32 °F , the unit will enter defrosting mode; (Note: when meeting any condition below, the time will be cleared: Toutdoor amb. 41 °F ; compressor has be started up after changing to cooling/drying mode and defrosting has finished;...

  • Page 35: Other Controls

    (6) Common Protection Functions and Fault Display under COOL, HEAT, DRY and AUTO Modes Overload protection T tube: measured temperature of outdoor heat exchanger under cooling mode; and measured temperature of indoor heat exchanger under heating mode. 1) Cooling overload If T tube≤125.6 F, the unit will return to its original operation state.
  • Page 36 (6) Indoor Fan Control The Indoor Fan can be set as HIGH, MED, LOW by remote control, and the Indoor Fan will be respectively run at high, medium, low speed. It will also be set as AUTO, and the Indoor Fan is as the followings at the automatic wind speed. Cooling mode: T ring ≥...
  • Page 37 Double-8 display According to the different setting of remote control, the nixie light may display the current temperature (the temperature scope is from 60.8 to 86 F) and indoor ambient temperature. The heating and air supply temperature will display 77 F under auto-mode, the temperature will display 64.4 F under the heating mode, and the temperature will display H1 under the defrosting mode.(If you set...
  • Page 38 ● Indoor Unit 1Temperature Parameters Indoor preset temperature (Tpreset) Indoor ambient temperature (Tamb.) 2 Basic functions (The temperature in this manual is expressed by Centigrade. If Fahrenheit is used, the switchover between them is Tf=TcX1.8+32.) Once the compressor is energized, there should be a minimum interval of 3 minutes between two start-ups. But if the unit is de-energized and then energized, the compressor can restart within 3 minutes.
  • Page 39 Start heating Tpreset +5 ˚C Previous running status Tpreset +2 ˚C Tamb. Start heating 6 min. 3 min. 6 min. Compressor Blow residual Outdoor unit Blow residual heat heat Indoor unit 2 min. 2 min. 4-way valve Stop 2.3.2 Defrosting and Oil Return When receiving the signal of defrosting and oil return, the horizontal louver(big one) will rotate to the position where the angle is minimum and the other horizontal louver(small one) will close.
  • Page 40 When 9 Tindoor amb. 11 , indoor unit will operate at medium speed; When Tindoor amb.≥11 indoor fan will operate at low speed; When changing among low high, medium, and low speeds, the minimum operation time is 210 seconds. 2.6.5 If the unit has memory function, 8 heating function will be memorized. Tamb.
  • Page 41 Timer Change Although timer has been set, the unit still can be turned on/off by pressing ON/OFF button of the remote controller. You can also set the timer once again, and then the unit will operate according to the last setting. If timer ON and timer OFF are set at the same time during operation of the unit, the unit will keep operating at current status till OFF time reaches.
  • Page 42 Tamb. Tpreset +3 Tpreset Tpreset -2 High Med. Mute Fan s eed 3.8 Vertical Swing 3.8.1 Small Horizontal Louver After energization, vertical swing motor will firstly have the horizontal louver rotate anticlockwise to position O to close air outlet. If swing function has not been set after startup of the unit, horizontal louver will turn clockwise to position D1 in HEAT mode.
  • Page 43 This position is start point 3.10 Display 3.10.1 Operation and Mode Icons Upon energization, the unit will display all icons within 3 seconds. Under standby state, LED lamp of standby is on. If the unit is turned on by remote controller, LED lamp of operation is on; meanwhile, the mark of current running mode will be displayed. If the light button is turned off, no mark will be displayed.
  • Page 44 Outdoor Unit ● 1. Compensation function of input parameters According to the structure of wall-mounting unit, considering the comfortability for operation, indoor ambient temperature when the compressor is at OFF status is higher than set temperature under heating mode. 2. Control of detecting the availability of parameters For ensuring the safety and reliability of operation, please insert the outdoor discharge temperature sensor into the corresponding temperature sensor bushing to make sure that the control system can detect system discharge temperature accurately.
  • Page 45 11.2 Under cooling or drying mode, if T <6, the operation frequency of compressor may increase or decrease; inner tube 11.2.1 If the unit is stopped because of freeze protection for 6 times successively, it can’t resume operation automatically and the malfunction will be displayed continuously, which can only be resumed by pressing ON/OFF button.
  • Page 48 Space to the ceiling 5.9in Above Space to the wall 5.9in Above 5.9in Above Space to the wall 98.4 98.4in Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ● installation of the unit include the minimum permissible distances to adjacent parts.
  • Page 49 Mark on the middle of it Gradienter Wall Wall Space Space to the to the wall wall 5.9 in. 5.9 in. above above Φ2.2in or Φ2.6in Φ2.2in or Φ2.6in (Rear piping hole) (Rear piping hole) Indoor Outdoor Wall pipe Seal pad outlet pipe of indoor unit outlet pipe of...
  • Page 50 External connection Gas side pipe electric wire Liquid side piping Tailing 2 Gas side piping Tailing 1 Liquid side insulation Piping insulation Finally wrap it Fig.3 Water drainage pipe with tape Left Left rear Right Right rear Fig.4 Fixing hook Mounting plate Mounting...
  • Page 51 Manifold Valve Multimeter Manometer -76cmHg Hi handle Lo Handle Charging hose Low pressure valve Fig.6 Vacuum pump Drain-water hole Bottom frame Drain plug Drain connecter Hose (available commercially, inner dia. 0.6in) Items to be checked Possible malfunction Has the unit been fixed firmly? The unit may drop, shake or emit noise.
  • Page 52 Fig. a Fig. b Air filter Healthy filter Fig. c...
  • Page 62 27 26 25...
  • Page 66 Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise th e unit will display C5 Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to "ON"...
  • Page 67 Improper set of temperature Adjust set temperature If cooling load is proper Check the forecasted load of cooling Check and fill the leakage, then The refrigerant has leakage vacuumize it and supplement the or is insufficient refrigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in- side the compressor...
  • Page 68 The indoor fan motor is burned or breaks Replace the fan motor or the defective part. or has the heat protector malfunction. The built-in heat protector of the motor breaks frequently because the motor is Replace the fan motor The fan does not abnormal.
  • Page 69 C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 b r o k e n , creepage of Change controller parallel capacitor of relay loop, relay is broken etc.) In cool mode, the outdoor unit...
  • Page 72 Malfunction and Status Display Table Malfunction of Display of Malfunction of Indoor Unit Outdoor Unit Status of LED Status of LED Lamp Lamp Malfunction Display Malfunction Name Type LED Lamp LED Lamp Yellow Lamp Nixie Tube Cooling Heating Lamp Lamp Operation Blinks Malfunction of Circuit for zero cross detection...
  • Page 73 Wrong connection of communication wire or malfunction of expansion valve (free match) Malfunction of current detection for the Blinks for complete unit 13 imes Wrong connection of communication wire or status of detecting malfunction of expansion valve (free match) Blinks Mode conflict for 7 times...
  • Page 74 If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Yellow indicator blinks for once Compressor stars (normal) Defrosting (normal display of indoor unit) Yellow indicator blinks for twice Anti-freezing protection (normal Yellow indicator blinks for 3 times display of indoor unit) IPM protection Yellow indicator blinks for 4 times...
  • Page 75 Analysis or processing of some of the malfunction display: 1. Compressor discharge protection operation; malfunction of compressor; malfunction of protection relay; malfunction of discharge sensor; outdoor temperature too high. Processing method: refer to the malfunction analysis in the above section. 2.
  • Page 80 Start Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted? Insert the temperature sensor tightly M alfunction is eliminated. Is there short circuit due to tri-pover of the pa rts? Make the parts upright Malfunction is eliminated.
  • Page 81 Start Pull the blade by hand under de-energization status Adjust the motor and Whether the blade assembly to let blade can operate the motor can operate smoothly smoothly Is malfunction eliminated Check whether the Reinsert the wiring wiring terminal between terminal of indoor fan indoor fan and main board is loose...
  • Page 82 C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper Is the malfunction eliminated?
  • Page 83 Poor contact of any line may lead to communication malfuntion. Is there incorrect match between the main board and the display panel or between the indoor and outdoor boards? Is there incorrect connection?
  • Page 84 Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Replace the control testing circuit on Voltage higher than 200V? panel AP1 control panel AP1 Measure the AC voltage between terminal L and N on wiring board XT(power supply)
  • Page 86 Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within a period of time?
  • Page 87 Anti-high temperature, overload protection Normal protection, please use If the outdoor ambient temperature is it after improve the outdoor higher than 53 ºC? ambient temperature After the unit de- energized for 20min Improve the If the radiating of outdoor radiating environment of and indoor unit is well? unit...
  • Page 88 Energize the unit and start it If the stop time is not enough and the If the stop time of compressor high and low pressure of system is not is more than 3min? balance , please start it after 3min Improve the connection situation If the compressor wire COMP(UVW) is of control board AP1 and...
  • Page 89 Synchronism Synchronism after energize the unit occurred during and start it operation Check if the fan Replace fan If the stop time of If the outdoor fan works terminal OFAN is capacitor C1 compressor is more than normally? connected well 3min Replace Improve the radiating...
  • Page 90 After the unit de-energized for 20min If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmic Connect wire If the wiring terminal FA of electron well with wiring expansion is well connected? diagram The resistance value of firs t 4 l e ad fo ot an d th e...
  • Page 91 Start Check the connection wire of reactor (L) of outdoor unit and PFC capacity Replace connection If there is damaged If the malfunction is wire with circuit short circuit removed? diagram Remove PFC capacity and test resistance of two terminals Capacity is Re-energize short...
  • Page 92 Start If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram Check built- in wiring of Connection indoor and correct? outdoor unit Malfunction of Check connection circuit is wire of indoor and If the wiring is detected with outdoor unit with...
  • Page 96 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Before disassembling the unit Before disassembling the unit. 2. Remove filter Open the panel. Loosen the clasps on filter, push the filter inward and then pull it upward, then the filter can be removed.
  • Page 97 Steps Procedure Remove the rotating shaft of big guide louver from the groove, slightly bend the big guide louver to remove it. big guide louver Remove the axial bushing of small guide louver. axial bushing Remove the rotating shaft of small guide louver from the groove, slightly bend the small guide louver to remove it.
  • Page 98 Steps Procedure panel, to remove the display. 5.Remove front case Remove the screws fixing electric box cover 2, to remove the electric box cover electric box cover 2 screw screw clamp Remove the screws fixing front panel, loosen the clamps, to remove the front panel.
  • Page 99 Steps Procedure 6.Remove swing fan blade Remove 4 screws fixing the fingers protective grille, and then remove the fingers protective grille. Loosen the clamps fixing swing connecting rod, to remove the swing connecting rod. clamp swing connecting rod fingers protective grille remove the swing fan blade.
  • Page 100 Steps Procedure to remove the cover. electric box cover electric box cover sub-assy screw Remove every wiring terminals, and remove the electric box cover sub-assy. 8.Remove evaporator sub-assy auxiliary piping pipe clamp Remove the screws fixing connection pipe clamp, to remove the connection pipe clamp. screw screw...
  • Page 101 Steps Procedure auxiliary piping Remove the screws fixing evaporator sub-assy, slightly regulate the tube, to remove the evaporator sub-assy. evaporator sub-assy 9.Remove cross fan blade and motor motor, to remove the motor. up&down swing motor to remove the motor. left&right swing motor...
  • Page 102 Steps Procedure Remove the screws fixing motor clamp, to remove the motor clamp. screw motor clamp Remove the cross fan blade and motor. bearing cushion rubber base Remove the shafting bearing cushion rubber base cross fan blade motor blade and motor, and then remove the motor.
  • Page 103 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Before disassembling the unit Before disassembling the unit. 2. Remove filter Open the panel. Loosen the clasps on filter, push the filter inward and then pull it upward, then the filter can be removed.
  • Page 104 Remove the rotating shaft of big guide louver from the groove, slightly bend the big guide louver to remove it. b i g g u i d e louver Remove the axial bushing of small guide louver. axial bushing Remove the rotating shaft of small guide louver from the groove, slightly bend the small guide louver to remove it.
  • Page 105 5. Remove front case Remove the screws fixing electric box cover 2, to remove the electric box cover electric box screw cover 2 screw clamps Remove the screws fixing front panel， loosen the clamps, to remove the front panel. front panel grille...
  • Page 110 Steps Procedure Before disassembly of the unit Before disassembling the unit. 2. Remove filter Open the panel. air filter Loosen the clasps on filter, push the filter inward and then pull it upward, then the filter can be removed. hooks...
  • Page 111 Steps Procedure 3. Remove the panel Along the groove fixing front panel, slide the rotor shaft outward to remove the front panel. Remove the panel. 4. Remove electric box cover Unscrew a screw of electric box cover with screwdriver. Then take out the electric box cover.
  • Page 112 Steps Procedure 5. Remove Axial bush Remove the axial bush of horizontal louver to remove the axial bush. Axial sleeve hook Remove Axial bush Axial bush 6. Remove front case Remove the screw cover of front case, unscrew the 8 screws of front case with screwdriver.
  • Page 113 Steps Procedure 7. Remove electric box temperature sensor Remove Temperature Sensor; Twist off the earthing screw fixing the evaporator. screw earth wire electric box cover 2 Remove the screw of electric box.Take out the electric box cover to separate the electric box cover 2. Remove every wiring terminals, and remove the screws fixing electric box to remove the electric box sub-assy.
  • Page 114 Steps Procedure 8. Remove evaporator sub-assy Loosen the clasps connecting the water tray and chassis, and then remove the water tray. Remove the screws fixing connection pipe clamp, to remove the connection pipe clamp. pipe clamp screw Remove the screws fixing evaporator sub-assy, slightly regulate the tube, to remove the evaporator sub-assy.
  • Page 115 Steps Procedure srews srews 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 remove the evaporator. evaporator 9. Remove the cross-flow louver and motor Remove the 2 screws of step motor with screwdriver, and remove the step motor.
  • Page 116 Steps Procedure Remove screws fixing cross flow blade and motor. Cross blow blade Fan motor Remove the motor sub-assy. Ring of Bearing Pull out the plug of ring of bearing.
  • Page 117 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 1. Before disassembly 2. Remove top cover Remove the screws connecting top cover, left and right side plate, as well as panel, to remove the top top cover cover.
  • Page 118 4. Remove panel and grille Remove the screws fixing panel, to remove the panel. Remove the screws connecting panel grille and panel, loosen the clamp, to remove the panel grille. panel grille 5. Remove valve cover Remove the screw fixing valve cover, to remove the cover.
  • Page 119 6. Remove left side plate Remove the screws fixing left side plate and condenser support board, to remove the left side plate. left side plate 7. Remove cross fan blade Remove the screw nut fixing cross fan blade, remove the gasket and spring cushion, to remove the cross fan blade.
  • Page 120 9. Remove electric box assy electric box cover Remove screws fixing electric box assy and mid-isolation board, loosen the bonding tie, pull off the wiring terminal, lift to remove the electric box assy. electric box assy 10. Remove electric reactor Remove the screws fixing electric reactor, to remove the electric reactor.
  • Page 121 12. Remove mid-isolation board Remove the screws connecting mid-isolation board, chassis and condenser assy, to remove the mid-isolation. mid-isolation board 13. Remove four-way valve assy four-way valve assy Welding cut the spot weld of four-way valve assy, compressor air suction/discharging valve and condenser pipe outlet, lift to remove the four-way valve assy.
  • Page 122 15. Remove big and small valve assy Remove screws connecting condenser assy and chassis, to remove the condenser assy. Remove the screws fixing big and small valve, to remove the valves. small valve big valve condenser assy...
  • Page 123 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Procedure Steps Before disassembly Remove the screw fixing valve cover,to remove the cover. valve cover...
  • Page 124 Procedure Steps 2. Remove the front grille and the panel Remove the screws connecting the front grille and the front panel. Remove the front grille. Front grille Remove screws fixing grill and then remove the grill. Rear grill Right side plate...
  • Page 125 Procedure Steps Axial flow fan Electric box Unplug wiring terminals of motor, compressor, reactor and capacitor. Remove earthing screws on side patch board. Remove screws fixing electric box and then, lift the electric remove it. Fire retardant electric box Remove screws fixing fire retardant electric box electric box.
  • Page 126 Procedure Steps 6. Removal of sound-proof sponge Tear sound-proof sponge with caution. Sound-proof sponge 7. Removal of isolation sheet Remove screws fixing isolation sheet and then remove the sheet. Isolation sheet 8. Removal of valve Unsolder gas and liquid valves and then remove the screws fixing valve supports.
  • Page 127 Procedure Steps 9. Removal of 4-way valve 10. Removal of compressor Compressor Washer 11. Removal of motor support and motor Remove screws fixing motor support and then remove the support. Remove screws fixing motor and then remove the motor. Motor Motor support...
  • Page 128 Procedure Steps 12. Remove the condenser Remove the screw connecting the condenser and the chassis. Raise the condenser to remove it. Condenser Chassis...
  • Page 129 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Remove top cover and front side plate top panel Use the screwdriver to remove the screws connecting the top panel and panel and side panels.
  • Page 130 Steps Procedurs 3. Remove panel Twist off the screws connecting the panel, chassis and motor support with screwd- river, and then remove the panel. panel 4. Remove guard grille guard grille Twist off the screws fixing the guard grille and then remove the guard grille. 5.
  • Page 131 Steps Procedure 6. Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis, valve support and condenser, and then remove the right side plate. 7. Remove electric box electric box cover Twist off the screws on electric box cover with screwdriver, and then remove the electric box cover.
  • Page 132 Steps Procedure electric box 1 Twist off the screws between electric box 1 and left side plate with screw- driver, pull it upwards to remove the electric box 1. 8. Remove left side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver, and then remove the left side plate.
  • Page 133 Steps Procedure 10. Remove motor and motor support Twist off the tapping screws fixing the motor, pull out the pin of leading wire for motor and then remove the motor. motor motor support Twist off the tapping screws fixing the motor support, pull it upwards and then remove the motor support.
  • Page 134 Steps Procedure 12. Remove gas valve and liquid valve Twist off the 2 bolts fixing the valve sub-assy. Unsolder the soldering joint between gas valve and air-return pipeand then remove the gas valve.(note: when unsoldering the soldering joint, wrap the gas valve with wet cloth completely to avoid the damage to valve, and release all refrigerant completely at...
  • Page 135 Steps Procedure 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. support plate of condenser 16. Remove chassis and condenser Pull it upwards to separate the chassis and condenser.
  • Page 136 Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com For continuous improvement in the products, Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations.

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