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GREE ELECTRIC GWH09TA-S3DNA1C Service Manual
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GREE ELECTRIC GWH09TA-S3DNA1C 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 ELECTRIC GWH09TA-S3DNA1C

  • Page 1 Change for Life Service Manual GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
  • Page 4 MODE ON/OFF...
  • Page 14 Cooling Heating Condition Condition Indoor:DB27°C WB19°C Indoor:DB20°C Outdoor:DB35°C WB24°C Outdoor:DB7°C Indoor air flow: Super High Indoor air flow:Super High Pipe length: 5m Pipe length: 5m Compressor speed (rps) Compressor speed (rps) Cooling Heating for General model : Condition Condition Indoor:DB27°C WB19°C Indoor:DB20°C Indoor air flow: Super High Indoor air flow:Super High...
  • Page 15 Indoor Unit Outdoor Unit Super High Middle Middle Middle Quiet High High Compressor speed (rps) Indoor fan motor rotating speed (rps)
  • Page 16 Φ55 Φ55...

  • Page 18: Indoor Unit

    INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Discharge HEAT EXCHANGE (EVAPORATOR) Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Electron Strainer Strainer Strainer Capillary Strainer 2-WAY VALVE expansion valve COOLING HEATING...

  • Page 19: Printed Circuit Board

    MAGNETIC RECEIVER AND POWER RING ROOM TUBE DISPLAY BOARD BN(BK) TEMP.SENSOR TEMP.SENSOR BU(WH) YEGN(GN) CONN WIRE N(1) TUBE ROOM DISP1 DISP2 COM-OUT YEGN TERMINAL AC-L L-OUT BOARD JUMP PRINTED CIRCUIT BOARD YEGN YEGN EVAPORATOR SWING-LR SWING-UD1 SWING-UD2 DC-MOTOR SWING SWING SWING MOTOR(L.R) MOTOR(U.D1)
  • Page 20 MAGNETIC RECEIVER AND POWER RING ROOM TUBE MOTOR DISPLAY BOARD BN(BK) TEMP.SENSOR TEMP.SENSOR BU(WH) YEGN(GN) CONN WIRE N(1) DC-MOTOR ROOM TUBE DISP1 DISP2 COM-OUT YEGN TERMINAL L-OUT AC-L BOARD YEGN JUMP YEGN PRINTED CIRCUIT BOARD EVAPORATOR SWING-LR SWING-UD1 CLEAN SWING-UD2 CONNECTOR HEALTH-L HEALTH-N...
  • Page 21 COMP YEGN TUBE EXHAUST OUTROOM COMP TEM.SENSOR TEM.SENSOR TEM.SENSOR YEGN COMP-U COMP-V COMP-W OFAN/VA AC-L2 YEGN OVC-COMP N(1) COMU AC-L1 OFAN1 HEAT-N2 HEAT-L HEAT-N1 4WAY AC-L2 LX-2 LX-1 HEATER HEATER (COMP) (CHASSIS) The electrical heaters are optional. COMP YEGN TUBE EXHAUST OUTROOM COMP...
  • Page 22 Please don't touch any terminal when the machine is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! VA AC-L2 NOTE: Motor ground only applies to the iron shell motor.
  • Page 24 14 15...

  • Page 25: Introduction For Icons On Display Screen

    Buttons on Remote Controller ON/OFF button FAN button MODE button +/- button TURBO button button button CLOCK button TIMER ON/ TIMER OFF button TEMP button button (before opening cover) (after opening cover) I FEEL button ON/OFF button LIGHT button FAN button X-FAN button QUIET button MODE button...
  • Page 26 2. 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. ATUO Note: It’s Low fan speed under Dry mode.
  • Page 27 TIMER ON. 10. TEMP button Press this button,the following temperature can be setted circularly: the setting temperature, indoor ambient temperature and outdoor ,displaying the indoor ambient temperature. is the outdoor ambient temperature. 3s laterit will return to the setting temprature or it depends on the other received signal within3s.
  • Page 28 the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink; control will resume the original timer display;temperature display will resume to original setting temperature. ●Sleep3- the sleep curve setting under Sleep mode by DIY could be inquired: The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, Note: In the above presetting or enquiry procedure, if continuously within10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying.

  • Page 29: Replacement Of Batteries In Remote Controller

    Operation Guide 1. 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)Pressing + or - button, to set the desired temperature (It is unnecessary to set the temp. at AUTO mode.) (4)Pressing FAN button, set fan speed, can select AUTO FAN,LOW, MEDIUM-LOW, MEDIUM, MEDIUM- HIGH and HIGH.
  • Page 30 Start cooling Tamb. Tpreset Original operating status Tpreset –2 ˚C Stop cooling ≥ 6 min. ≥ 3 min. ≥ 6 min. Compressor Outdoor fan Set fan spee d Indoor fan Stop Start drying Tamb. Tpreset Original operating status Tpreset –2 ˚C Stop drying ≥...
  • Page 31 Stop heating preset Original operating status preset Start heating 6min. 3min. 6min. Compressor Outdoor fan <2 min. Indoor fan <2 min. preset preset wind wind Reversing valve Stop Heating mode Tpreset Cooling mode, Keep current (if cooling-only unit, it is Fan mode, Tpreset=25 operation mode Tpreset=25...
  • Page 32 Tamb. 11℃ 9℃ High Med. Fan speed Tamb. 31℃ Tpreset + 3 reset + 1 High Super high Med. Fan speed...
  • Page 33 Tamb. Tpreset +4 Tpreset +2 Tpreset -3 Mute Med. High Fan speed Tamb. Tpreset +3 Tpreset Tpreset -2 High Med. Mute Fan speed...
  • Page 34 (0 degree) (0 degree) This position is start point 0 °...
  • Page 40 Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe...
  • Page 41 Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting frame, drill wall holes (select it according to the actual situation) Connect pipes of indoor Fix outdoor unit unit and drainage pipe...

  • Page 43: Drain Hose

    Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall Open-end above above wrench Union nut Pipe Pipe joint Union nut Pipe Right Left Torque wrench Φ55mm Φ55mm (Rear piping hole) (Rear piping hole) Indoor pipe Insulating pipe Indoor...
  • Page 44 Panel Screw Wiring cover Indoor and outdoor power cord Indoor unit pipe Cable-cross Liquid hole pipe Band Drain hose Power connection wire Drain hose Connection pipe Band Indoor power cord N(1) yellow- blue black brown green Connect to outdoor unit Wiring board Grounding wire...
  • Page 45 N(1) yellow- green blue black brown Connect to indoor unit Grounding Wiring board wire Wire clip Handle Drain vent Chassis Note: the wiring connect is for reference only, Outdoor drain join t Drain hose please refer to the actual one At least 3cm above the floor Foot holes Handel...
  • Page 46 The drain hose can't be fluctuant The water outlet can't be placed The drain hose in water can't be fluctuant The water outlet can't be fluctuant Liquid valve Piezometer Gas valve Valve cap Refrigerant charging vent Nut of refrigerant Charging vent Vacuum pump Inner hexagon spanner...
  • Page 47 Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to “ON”. leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has malfunction. They heat and break the insula- tion and lead to short circuit or The breaker trips in few minutes...
  • Page 48 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper Check and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
  • Page 49 The indoor fan motor is burned or breaks or has the heat protector Replace the fan motor or the defective part. malfunction. The built-in heat protector of the Replace the fan motor The fan does not motor breaks frequently because the run when it is set motor is abnormal.
  • Page 50 The torque of the swing motor is not enough First, check whether the connection is Wrong connection The swing fan wrong. If no, replace the parts does not run. The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) 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 Change controller...
  • Page 56 Start Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tri-pover of the pa rts? Make the parts upright Malfunction is eliminated.
  • Page 57 Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly. Turn unit on to check whether the malfunction is eliminated. Under power-off condition, Reinsert the wiring check whether the wiring terminal terminal of indoor fan.
  • Page 58 Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and tightly ? Insert the jumper cap tightly Is malfunction eliminated...
  • Page 59 Start Cut off power, check if the wire between indoor unit and outdoor unit, and the wire inside electric box are connected correctly Reconnect the wire Malfunction is according to Connected correctly? eliminated wiring diagram Is there incorrect Match them match between the mainboard Malfunction is according to...
  • Page 60 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 61 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 62 Overheat and high temperature protection Normal protection, please operate it after the outdoor ambient temp- Is outdoor ambient temperature higher than 53? erature is normalized. 20 minutes after the complete unit is powered off. Improve the heat Is heat dissipation of the indoor unit dissipation environ- and outdoor unit abnormal? ment of the unit...
  • Page 63 Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as Are the wires for the compressor connected per the connection correctly? Is connection sequence right? diagram Replace the control panel AP1 If the fault is eliminated?
  • Page 64 Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Replace the fan Is the outdoor fan working OFAN is connected correctly compressor longer than capacitor C1 normally? 3 minutes?
  • Page 65 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm.
  • Page 66 Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any wiring diagram and If the fault is eliminated? damage or reconnect the wires short-circuit? Remove the PFC capacitor and measure resistance between the two terminals.
  • Page 67 Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor Is the connection right? units Correctly connect the corresponding wires for The AP1 voltage Are wires broken?
  • Page 84 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. 3.Remove guide louver Remove the axial bushing of big guidelouver.
  • Page 85 Steps Procedure Remove the rotating shaft of big guide louver from the groove, slightly bend thebig 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 86 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 case.
  • Page 87 Steps Procedure 6.Remove swing fan blade Loosen the clamps fixing swing connecting rod, to remove the swing connecting rod. clamp swing connecting rod clamp remove the swing fan blade. swing fan blade 7.Remove electric box sub-assy heat exchanger thermistor Remove the indoor tube temp. sensor. earth wire Remove the screws fixing earth wire, to remove the earth wire.
  • Page 88 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. 7.Remove evaporator sub-assy auxiliary piping pipe clamp Remove the screws fixing connection pipe clamp, to remove the connection pipe clamp. screw screw...
  • Page 89 Steps Procedure auxiliary piping Remove the screws fixing evaporator sub-assy, slightly regulate the tube, to remove the evaporator sub-assy. evaporator sub-assy 8.Remove cross fan blade and motor motor, to remove the motor. up&down swing motor to remove the motor. left&right swing motor...
  • Page 90 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 91 Step Procedure 1. 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. 2. Remove handle and valve cover Remove the screws connecting handle and right side plate, to remove the handle.Remove the screw fixing valve cover, to remove the cover.
  • Page 92 Step Procedure 4. Remove left side plate Remove the screws fixing left side plate and condenser support boa rd, to remove the left side plate. left side plate 5. 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 93 Step Procedure 7. 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 8. Remove electric reactor Remove the screws fixing electric reactor, to remove the electric reactor.
  • Page 94 Step Procedure flash vaporizer assy 10. Remove flash vaporizer assy Remove the screws connecting mid-isolation board, lift to remove the flash vaporizer assy. 11. 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 95 Step Procedure 13. Remove compressor compressor Remove the three feet screwnuts fixing compressor, to remove the compressor. 14. 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 small valve remove the valves.
  • Page 97 Pipe Pipe cutter Leaning Uneven Burr Pipe Shaper Downwards Union pipe Pipe Hard mold Expander Pipe Smooth surface Improper expanding leaning damaged crack uneven surface thickness The length is equal...

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