Tosot GWH09UB-K3DNA1E/I Service Manual Download Page 1

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Service Manual

TOSOT units in this manual:

:+8%.'1$(

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5HIULJHUDQW

U-Grace

Serie

Please be aware that all product codes beginning with GWH

are

to be seen as

the TOSOT units beginning with TWH.

Summary of Contents for GWH09UB-K3DNA1E/I

Page 1: ...Service Manual TOSOT units in this manual T 8 1 T 8 1 T 8 1 5HIULJHUDQW 5 U Grace Serie Please be aware that all product codes beginning with GWH are to be seen as the TOSOT units beginning with TWH ...

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Page 12: ... Current A 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Condition Indoor DB27 WB19 Indoor air flow Turbo Pipe length 5m Outdoor temp C 0 20 40 60 80 100 120 Capacity ratio Outdoor temp C 09K 12K 09K 12K 7 5 0 5 10 Condition Indoor DB20 Indoor air flow Turbo Pipe length 5m 6 7 10 8 9 18K 18K Condition Indoor DB 20 Indoor air flow Turbo Pipe length 5m Voltage 23...

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Page 17: ...QQHFWLRQ SLSH VSHFL FDWLRQ LTXLG PP DV PP DV PP 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 Strainer Strainer Electron expansion valve ...

Page 18: ... GHWHUPLQH IDQ VSHHG DQG WKH VZLQJ DQJOH RI KRUL RQWDO ORYHU IRU WKLV PRGHO 8 1 8 1 8 1 8 1 8 1 8 1 AC L L1 L1 0 0 RT1 RT2 M2 JUMP CAP TEM SENSOR ROOM TUBE TEM SENSOR FAN MOTOR SWING MOTOR U D1 AP2 SWING UD1 K4 TUBE ROOM COMP PG PGF DISP1 DISP2 CN2 CN1 AP1 DISPLAY 13 SWING UD2 SWING MOTOR U D2 M3 EARTH PLATE PE PE EVAPORATOR ELECTRICBOX PE GENERATOR COOLPLASMA HEALTH L HEALTH N M1 XT1 W1BU W3BN N ...

Page 19: ... FAN MOTOR PG PGF TUBE ROOM SENSOR SENSOR TUBE RT1 RT2 ROOM AP1 PRINTED CIRCUIT BOARD JUMP CAP OUTDOOR UNIT SWING UD1 M2 BK BU YEGN L L BU RD COOLPLASMA GENERATOR HEALTH L HEALTH N 0 0 8 1 2 Ɣ 2XWGRRU 8QLW 1 7 1 1 3 8 9 78 7 0 6 1625 57 57 57 1 9 1 1 2 1 203 203 1 3 0 3 3 0 62 7 21 6 7 75 2 9 1 3 3 1 29 203 20 287 3 3 1 1 8 1 8 1 1 1 1 1 1 1 1 8 8 8 8 8 5 5 7 0 6 1625 2875220 867 7 0 6 1625 7 1 8 ...

Page 20: ... 0 6 1625 2875220 867 7 0 6 1625 7 1 8 5 2 2 1 6 7 5 9 8 9 1 D 9DOYH VV RQO DSSOLHV WR FRROLQJ DQG KHDWLQJ W SH 127 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU JURXQG RQO EKV CN1 4YV COMP RT3 RT2 RT1 YEGN BU BK BN PE PE YEGN E COMU AC L1 N1 OVC COMP XT1 N 1 2 3 L1 L1 BU RD OUTTUBE TEM SENSOR TEM SENSOR OUTROOM EXHAUST TEM SENSOR CN2 BU N3 N2 COMP YEGN E U W V L2 L2 L2 PE COMP W COMP V COMP U BU YE RD AP...

Page 21: ... Interface of neutral wire 5 Interface of fan 6 Interface of neutral wire for ventilation 7 Interface of neutral wire for cold plasma 8 Interface of live wire for ventilation 9 Jumper cap 10 Interface of live wire for cold plasma 11 Auto button 12 Feedback interface of fan 13 Interface of up down swing 14 Interface of left right swing 15 Display interface 16 Interface of ambient temperature sensor...

Page 22: ...wire 5 Interface of live wire for ventilation 6 Interface of neutral wire for cold plasma 7 Interface of neutral wire for ventilation 8 Interface of live wire for cold plasma 9 Interface of fan 10 Auto button 11 Feedback interface of fan 12 Interface of up down swing 13 Interface of left right swing 14 Display interface 15 Interface of ambient temperature sensor 16 Interface of tube temperature se...

Page 23: ... 2 3 4 5 6 7 8 9 10 8 1 2 8 1 2 1 Leading foot 2 of induction 2 Leading foot 1 of induction 3 4 way valve 4 Electric heating of compressor 5 Electric heating of chassis 6 Fan 7 10 core communication wire 8 Electronic expansion valve 9 Overload protection 10 Temperature sensor ...

Page 24: ...e 2 Interface of fan 7 Live wire of electric heating belt 12 Temperature sensor 3 Interface of live wire for 4 way valve 8 Earthing wire input of power 13 Overload input 4 Neutral wire for electric heating of chassis 9 Neutral wire input of power 14 U V W three phase of compressor 5 Neutral wire for electric heating of compressor 10 Live wire input of power 15 Interface 2 of reactor ...

Page 25: ...e QUIET T ON T OFF SWING CLOCK X FAN TEMP TURBO SLEEP LIGHT Press it to set fan speed Pressitto set QUIET function Press it to set auto off auto on timer Press it set clock Press it to turn on off the light 1 ON OFF Press this button to turn on the unit Press this button again to turn off the unit Press this button to decrease set temperature Holding it down above 2 seconds rapidly decreases set t...

Page 26: ...s setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run according to the presetting a group of sleep temperature curve Sleep 3 the sleep curve setting under Sleep mode by DIY 1 Under Sleep 3 mode press Turbo button for a long time remote control enters into user individuation sleep setting status at this time the time of remote control will display 1hour the setting temperat...

Page 27: ...ges the time setting by 1 minute and then 10 minutes Within 5 Seconds after setting press TIMER ON button to confirm Press T OFF button to initiate the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as TIMER ON Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shorte...

Page 28: ...es do not use old or different types of batteries If the remote controller will not be used for a long time please otherwise it may cause malfunction remove batteries to prevent batteries from leaking The operation should be performed in its receiving range It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the batteries ou...

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Page 34: ...ing status it will cancel to send compulsory defrosting mode to outdoor unit Defrosting indicator on indoor unit is ON 2 Exit condition of compulsory defrosting mode After defrosting is finished outdoor unit will send normal operation mode to indoor unit When indoor unit received the normal operation mode from outdoor unit the unit will operate at normal mode ķ Entry condition of refrigerant recov...

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Page 42: ...outlet side Space to the floor Above Above Above 15cm Above Above The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts Space to the wall Above 200 cm Above Space to the obstruction Air outlet side Space to the wall Air inlet side Above 30 cm Above 50 cm A 50 cm bove 30 cm 15cm 15cm cm 250 300cm ...

Page 43: ...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 installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it accord...

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Page 55: ...oosened or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfu...

Page 56: ... PG motor tightly no no Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly Is malfunction eliminated no no yes yes 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 no yes yes Is the motor started up no Is malfunction eliminated yes yes yes no y...

Page 57: ...umper cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model 0DOIXQFWLRQ RI 3URWHFWLRQ RI XPSHU DS ...

Page 58: ...ll too high etc Is the indoor outdoor heat exchanger too dirty or are the air inlet and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated...

Page 59: ...d The unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model End No Yes 0DOIXQFWLRQ RI HUR FURVVLQJ QVSHFWLRQ LUFXLW 0DOIXQFWLRQ RI WKH 8 DQ 0RWRU 8 ...

Page 60: ...er than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire If the wiring of reacto...

Page 61: ... ZRUN ORDG RI XQLW LV KHDY I UDGLDWLQJ RI XQLW LV JRRG 0DOIXQFWLRQ GLDJQRVLV SURFHVV N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 The compressor is well connected with mainboard AP1 Heat exchanger is blocked with dirt Clean the heat exchanger to improve its performance Restart the u...

Page 62: ...s displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the radiating of indoor and outdoor unit is good Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the indoor and outdoor fan are running normally Connec...

Page 63: ...ent and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of outdoor mainboard AP1 and compressor COMP and the connect it according to wiring diagram If the refrigerant charging amount is too much Does the unit start up normally Charge the refrigera...

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Page 65: ...rigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long tim...

Page 66: ...ell with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the wire or replace the connection wire according to the wiring diagram Check the surface of reactor coil If it is damaged Replace the reactor Power on and restart the unit Power on and restart the unit Re...

Page 67: ...it operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor communication circuit Replace outdoor mainboard AP1 Replace indoor mainboard AP2 Is the malfunction eliminated Is the malfunction eliminated End Check the connection wire accordin...

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Page 76: ... 电容 CBB61 26 Electric Box Assy 电器盒部件 25 Crank 曲轴 24 Step Motor 步进电机 MP24HB 23 Step Motor 步进电机 MP24HA 22 Pipe Clamp 连接管压板 21 Fan Motor 电机 20 Motor Press Plate 电机压板 19 Wall Mounting Frame 壁挂板 18 Shield Board Elbow 护板弯头 17 Evaporator Assy 蒸发器部件 16 Evaporator Support 蒸发器角形架 15 Cross Flow Fan 贯流风叶 14 Axile Bush Sub assy 风叶轴套组件 13 Drainage Hose 排水管 12 Rubber Plug Water Tray 接水盘胶塞 11 Rear Case assy 底壳部件...

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Page 78: ... 电容 CBB61 26 Electric Box Assy 电器盒部件 25 Crank 曲轴 24 Step Motor 步进电机 MP24HB 23 Step Motor 步进电机 MP24HA 22 Pipe Clamp 连接管压板 21 Fan Motor 电机 20 Motor Press Plate 电机压板 19 Wall Mounting Frame 壁挂板 18 Shield Board Elbow 护板弯头 17 Evaporator Assy 蒸发器部件 16 Evaporator Support 蒸发器角形架 15 Cross Flow Fan 贯流风叶 14 Axile Bush Sub assy 风叶轴套组件 13 Drainage Hose 排水管 12 Rubber Plug Water Tray 接水盘胶塞 11 Rear Case assy 底壳部件...

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Page 92: ...bly Remove the connection screw fixing the big handle and then remove the handle Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top panel Steps Procedure DUQLQJ H VXUH WR ZDLW IRU D PLQLPXP RI PLQXWHV DIWHU WXUQLQJ RII DOO SRZHU VXSSOLHV DQG GLVFKDUJH WKH UHIULJHUDQW FRPSOHWHO EHIRUH UHPRYDO ...

Page 93: ...ng the blade and then remove the axial flow blade Remove screws fixing electric box cover and then remove the electric box cover Cut off the tieline pull out all wiring terminals and remove all connection wires and then separate connection wires and electric box Remove screws connecting electric box and middle isolation sheet motor support and then remove the electric box Remove connection screws ...

Page 94: ...ess should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove themotor Remove the 2 tapping screws fixingthe motor support Lift motor support to re move it 7 Remove motor and motor support 8 Remove the isolation sheet Remove the screws fixing t...

Page 95: ... gas valve and the air return pipe to remove the gas valve Remove the 2 screws fixing the liquid valve and unsolder the welding joint connecting the liquid valve to the Y type pipe to remove the liquid valve Remove the foot nuts on the compressor and then remove the compressor 10 Remove compressor gas valve liquid valve Steps Procedure compressor ...

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