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Willis WCM18MH18S, Руководство по обслуживанию

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Содержание WCM18MH18S

Страница 1: ...Service Manual...

Страница 2: ...8QLW 5HIULJHUDQW 6 VWHP LDJUDP OHFWULFDO 3DUW LULQJ LDJUDP 3 3ULQWHG LDJUDP XQFWLRQ DQG RQWURO 5HPRWH RQWUROOHU QWURGXFWLRQ RI ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 3DUW QVWDOODWLRQ DQG 0DLQWHQDQFH 1...

Страница 3: ...LPSO WKH 0DLQ 3DUW SORGHG 9LHZ DQG 3DUWV LVW QGRRU 8QLW 2XWGRRU 8QLW 5HPRYDO 3URFHGXUH 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW SSHQGL SSHQGL 5HIHUHQFH 6KHHW RI HOVLXV DQG DKU...

Страница 4: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 6XPPDU 3DUW 7HFKQLFDO QIRUPDWLRQ QGRRU 8QLW 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO 3DQHO...

Страница 5: ...QWUROOHU 2XWGRRU 8QLW WMI09MH16S with electric heating band WCM18MH18S with electric heating band WCM24MH18S with electric heating band WMI12MH16S with electric heating band 1 ON OFF MODE FAN CLOCK TI...

Страница 6: ...12 7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 6SHFL FDWLRQV 6SHFL FDWLRQ 6KHHW...

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Страница 8: ...5RZV Q DS LQFK RQGHQVHU RLO HQJWK LQFK DQ 0RWRU 6SHHG USP DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFLWRU 2XWGRRU 8QLW LU ORZ 9ROXPH 0 DQ 7 SH LDO RZ LDO RZ DQ LDPHWHU LQFK HIURVWLQJ 0HWKRG XWRPDWL...

Страница 9: ...PHWHU HQJWK LQFK RROLQJ 6SHHG 6 0 U PLQ HDWLQJ 6SHHG 6 0 U PLQ DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFLWRU YDSRUDWRU RUP YDSRUDWRU 3LSH LDPHWHU LQFK YDSRUDWRU 5RZ Q DS LQFK YDSRUDWRU RLO HQJWK...

Страница 10: ...5RZV Q DS LQFK RQGHQVHU RLO HQJWK LQFK DQ 0RWRU 6SHHG USP DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFLWRU 2XWGRRU 8QLW LU ORZ 9ROXPH 0 DQ 7 SH LDO RZ LDO RZ DQ LDPHWHU LQFK HIURVWLQJ 0HWKRG XWRPDW...

Страница 11: ...or air flow Turbo Pipe length 25 ft Conditions Indoor DB 70 F WB 60 F Outdoor DB 47 F WB 43 F Indoor air flow Turbo Pipe length 25 ft 8QLW RROLQJ HDWLQJ 0 10 20 30 40 50 60 70 80 90 100 120 0 10 20 30...

Страница 12: ...6 100 4 102 2 104 105 8 107 6 109 4 40 60 80 100 120 19 4 23 32 41 50 47 Conditions Indoor DB 70 F Indoor air flow Turbo Pipe length 25ft 8QLW RROLQJ HDWLQJ Capacity ratio Capacity ratio Outdoor temp...

Страница 13: ...3UHVVXUH RI JDV SLSH FRQQHFWLQJ LQGRRU DQG RXWGRRU XQLW QOHW DQG RXWOHW SLSH WHPSHUDWXUH RI KHDW H FKDQJHU DQ VSHHG RI LQGRRU XQLW DQ VSHHG RI RXWGRRU XQLW RPSUHVVRU UHYROXWLRQ USV QGRRU 2XWGRRU 3 03D...

Страница 14: ...w Middl e High Super Hig h Noise dB A 12K 09K 12K 09K Outdoor side noise 30 40 50 60 0 20 40 60 80 100 Compressor frequency Hz 50 55 40 45 35 Indoor side noise when blowing Indoor fan motor rotating s...

Страница 15: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWOLQH LPHQVLRQ LDJUDP QGRRU 8QLW 8QLW LQFK 8QLW 8QLW 8QLW 0RGHO...

Страница 16: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWGRRU 8QLW 8QLW LQFK 21 2 11 3 30 33 4 10 12 6 21 3 11 3 23 2 30 33 4 10 12 6 21 3 8QLW 8QLW...

Страница 17: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 13 4 35 37 6 22 14 5 27 6 15 6 8QLW LQFK 8QLW 8QLW 14 6 16 8 38 6 36 24 15 7 31 1...

Страница 18: ...unit Outdoor unit COOLING HEATING Accumlator 4 Way valve COOLING Discharge Suction Discharge Suction Heat exchanger evaporator Heat exchanger evaporator Heat exchanger condenser Heat exchanger conden...

Страница 19: ...Q VSHHG DQG WKH VZLQJ DQJOH RI KRUL RQWDO ORYHU IRU WKLV PRGHO 8QLW 0 TEMP SENSOR TEMP SENSOR AC L BK G ROOM TUBE M2 SWING UD ROOM RT2 AP2 BN PG YEGN GN 0 M1 BU FAN OUTDOOR UNIT 2 3 XT N 1 TUBE RT1 SW...

Страница 20: ...R SWING RT1 TUBE N 1 XT 3 2 OUTDOOR UNIT FAN BU M1 0 YEGN GN PG BN AP2 RT2 ROOM SWING UD M2 TUBE ROOM G BK AC L TEMP SENSOR TEMP SENSOR 0 L L L ELECTRICBOX EVAPORATOR ROOM TUBE TEMP SENSOR TEMP SENSOR...

Страница 21: ...AC L1 4V AC L2 LX 2 N2 N3 L COMU W9 BU W11 WH W12 EKV CN1 TEM SENSOR OUTROOM EXHAUST TEM SENSOR TEM SENSOR TUBE W2 BU W1 BN W3 BK G I N D O O R U N I T W14 YEGN POWER L2 L1 N 1 3 2 L2 L2 L2 L1 L1 G G...

Страница 22: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO...

Страница 23: ...COMP SAT WH WH OVC COMP OFAN G RD M1 4V 0 RT3 RT2 0 RT1 0 COM INNER G G W V U RD BU YE COMP U COMP V COMP W N AC L YEGN T SENSOR BU BN BK XT1 3 2 N 1 G G L1 L2 BN BU G POWER INDOOR UNIT G L1 L2 VALVE...

Страница 24: ...D INDC1 L M1 4V 0 RT3 RT2 0 RT1 0 COM INNER G G W V U RD BU YE COMP U COMP V COMP W N AC L YEGN T SENSOR BU BN BK XT 3 2 N 1 G G L1 L2 BN BU G POWER INDOOR UNIT G L1 L2 VALVE L1 L2 MAGNETIC RING MAGNE...

Страница 25: ...WWRP YLHZ QGRRU 8QLW LYH ZLUH XVH 1HXWUDO ZLUH HDOWK QHXWUDO ZLUH 3 PRWRU HDOWK OLYH ZLUH 1HXWUDO DQG OLYH ZLUH FRPPXQLFDWLRQ SRUW 7RXFK VZLWFK 8S DQG GRZQ VZLQJ 3 IHHGEDFN HIW DQG ULJKW VZLQJ XPSHU F...

Страница 26: ...H RI XS DQG GRZQ VZLQJ QWHUIDFH RI 3 IHHGEDFN QWHUIDFH RI LQGRRU DQG RXWGRRU XQLW FRPPXQLFDWLRQ QWHUIDFH RI GLVSOD QWHUIDFH RI MXPSHU FDS QWHUIDFH RI DPELHQW WHPSHUDWXUH VHQVRU QWHUIDFH RI WXEH WHPSHU...

Страница 27: ...WHUIDFH XWR EXWWRQ 8S DQG GRZQ VZLQJ WHUPLQDO LQWHUIDFH LVSOD WHUPLQDO LQWHUIDFH XPSHU FDS PELHQW WHPS VHQVRU 7XEH WHPS VHQVRU 8 DQG 2 8 FRPPXQLFDWLRQ LQWHUIDFH LYH ZLUH LQWHUIDFH XVH 1HXWUDO ZLUH LQW...

Страница 28: ...UIDFH RXU ZD YDOYH QHXWUDO ZLUH 7HPS VHQVRU 3RZHU VXSSO OLYH ZLUH LQSXW DQ LQWHUIDFH RXU ZD YDOYH OLYH ZLUH RPSUHVVRU 8 9 SKDVH RPPXQLFDWLRQ LQWHUIDFH KDVVLV HOHFWULF KHDWLQJ EDQG QHXWUDO ZLUH OHFWULF...

Страница 29: ...DO 2 8 KHDW H FKDQJHU PLGGOH FRSSHU SLSH WHPS VHQVRU WHUPLQDO RPSUHVVRU RYHUORDG SURWHFWLRQ WHUPLQDO 2 8 WHPS VHQVRU WHUPLQDO 9 WHUPLQDO 2XWGRRU IDQ WHUPLQDO RXU ZD YDOYH WHUPLQDO KDVVLV HOHFWULF KHDW...

Страница 30: ...DO 2 8 KHDW H FKDQJHU PLGGOH FRSSHU SLSH WHPS VHQVRU WHUPLQDO RPSUHVVRU RYHUORDG SURWHFWLRQ WHUPLQDO 2 8 WHPS VHQVRU WHUPLQDO 9 WHUPLQDO 2XWGRRU IDQ WHUPLQDO RXU ZD YDOYH WHUPLQDO KDVVLV HOHFWULF KHDW...

Страница 31: ...FF Button X FAN Button TEMP Button LIGHT Button SLEEP Button CLOCK Button TURBO Button Button 2 6 8 3 9 10 7 5 12 11 4 1 Operation mode Temp display type 21 2 XWWRQ 3UHVV WKLV EXWWRQ FDQ WXUQ RQ RU WX...

Страница 32: ...DQJH IURP UHPRWH FRQWUROOHU a DQ VSHHG DXWR ORZ VSHHG PHGLXP VSHHG KLJK VSHHG RU XWWRQ 3UHVV RU EXWWRQ RQFH LQFUHDVH RU GHFUHDVH VHW WHPSHUDWXUH ROGLQJ RU EXWWRQ V ODWHU VHW WHPSHUDWXUH RQ UHPRWH FRQW...

Страница 33: ...H WKH DLU GXFW XULQJ IDQ RSHUDWLRQ SUHVV 1 EXWWRQ WR WXUQ RII IDQ IXQFWLRQ QGRRU IDQ ZLOO VWRS RSHUDWLRQ LPPHGLDWHO 7 03 XWWRQ SUHVVLQJ WKLV EXWWRQ RX FDQ VHH LQGRRU VHW WHPSHUDWXUH LQGRRU DPELHQW WHP...

Страница 34: ...U LV IX RU WKHUH V QR GLVSOD SOHDVH UHSODFH EDWWHULHV Signal sender Battery Cover of battery box Remove Reinstall IWHU SXWWLQJ WKURXJK WKH SRZHU SUHVV 21 2 EXWWRQ RQ UHPRWH FRQWUROOHU WR WXUQ RQ WKH D...

Страница 35: ...WV RULJLQDO RSHUDWLRQ VWDWH 7RWDO FXUUHQW XS DQG IUHTXHQF GRZQ SURWHFWLRQ KHQ WRWDO FXUUHQW WRWDO LQFUHDVH IUHTXHQF LV DOORZHG ZKHQ WRWDO FXUUHQW WRWDO LQFUHDVLQJ IUHTXHQF LV SURKLELWHG ZKHQ WRWDO FXU...

Страница 36: ...ZLWK D WLPH ODJ RI PLQXWHV LWKLQ PLQXWHV LI 7 WXEH WKH LQGRRU IDQ DOVR ZLOO UXQ DW ORZ VSHHG DQG DIWHU PLQXWH RSHUDWLRQ DW ORZ VSHHG WKH LQGRRU IDQ ZLOO EH FRQYHUWHG WR RSHUDWLRQ DW SUHVHW VSHHG LWKL...

Страница 37: ...RQ WKH FRPSUHVVRU ZLOO QRW EH VWDUWHG DJDLQ 2YHUORDG SURWHFWLRQ I WHPSHUDWXUH VHQVHG E WKH RYHUORDG VHQVRU LV RYHU WKH FRPSUHVVRU ZLOO VWRS DQG WKH RXWGRRU IDQ ZLOO VWRS ZLWK D WLPH ODJ RI VHFRQGV I W...

Страница 38: ...DQG DXWR KHDWLQJ PRGH WKH XS DQG GRZQ DLU GH HFWRU ZLOO PRYH WR FORFNZLVH XQGHU RWKHU PRGHV WKH XS DQG GRZQ DLU GH HFWRU ZLOO PRYH WR I RX VHW WKH VZLQJLQJ IXQFWLRQ ZKHQ RX VWDUW WKH PDFKLQH WKHQ WKH...

Страница 39: ...UHPRWH FRQWURO FRPPDQG KDV VHW WLPHG IXQFWLRQ WKH WLPH LV RXW DQG WKH V VWHP LV VWDUW RU VWRS DFFRUGLQJ WR WKH VHW WLPH ZKHQ WKH SRZHU VXSSO LV LQWHUUXSWHG WKH V VWHP ZLOO UHPHPEHU WKH RSHUDWLRQ VWDWX...

Страница 40: ...n 5 Auto mode 1 When Tamb 78 8 F select the cooling mode at this time the setting temp is 77 F 2 Cooling and heating units Tamb 71 6 F will run at heating mode at this time the setting temp is 68 73 F...

Страница 41: ...e auto button is pushed a buzzer will give out prompt tone 3 Auto button When the button is pushed the unit will operate in auto mode and the indoor fan will run in auto state When the indoor fan is r...

Страница 42: ...Power the wind speed on the remote controller is displayed as super high air flow and the inner fans are also turned to super high air flow 11 Health Function When the inner fans are running the remot...

Страница 43: ...perature Tcooling indoor ambient temperature compensation 35 6 F the cooling operation will be still running 3 During operations of cooling if 32 F Tsetup Tindoor ambient temperature Tcooling indoor a...

Страница 44: ...de getting power 1 4 way valve power control under heating mode a Starts the machine under heating mode the 4 way valve will get power immediately 2 4 way valve power turn off control under heating mo...

Страница 45: ...le times immediately if the trouble can not be resumed transferring mode will not clear it Overload protection function at the mode of heating Starting estimation After the compressor stopped working...

Страница 46: ...age sag trouble reboot automatically after 30 minutes 7 Communication fault When you have not received any correct signal from the inner machine in three minutes the machine will stop for communicatio...

Страница 47: ...t doesn t shows and if they are all failing for the successive start 3 times it shall be reported as Startingup Failure and then restart up it after 3 min When it still not be able to operate through...

Страница 48: ...t should detect the exhaust sensor failure immediately in the testing mode 4 Module Temperature Sensor a Short Circuit Detection the compressor should be detected immediately when the module temperatu...

Страница 49: ...WKH XQLW DGHTXDWHO JURXQGHG 7KH JURXQGLQJ ZLUH FDQ W EH XVHG IRU RWKHU SXUSRVHV 0XVW DSSO SURWHFWLYH DFFHVVRULHV VXFK DV SURWHFWLYH ERDUGV FDEOH FURVV ORRS DQG ZLUH FOLS 7KH OLYH ZLUH QHXWUDO ZLUH DQ...

Страница 50: ...HU PHDVXULQJ WDSH OHFWURSUREH OHFWURQLF OHDNDJH GHWHFWRU 3LSH SOLHUV SLSH FXWWHU 6FUHZ GULYHU 8QLYHUVDO PHWHU 9DFXXP SXPS 3LSH H SDQGHU SLSH EHQGHU PSDFW GULOO GULOO KHDG HOHFWULF GULOO 7RUTXH ZUHQFK...

Страница 51: ...outlet side Space to the floor Above Above 6in Above 6in Above 12in Above 20in Above 20in Above 12in Above 79in Above Above Space to the obstruction Air outlet side Space to the wall Air inlet side Th...

Страница 52: ...r 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 installati...

Страница 53: ...SURIHVVLRQDO 3OHDVH PDNH VXUH LW LV DOZD V JURXQGHG HIIHFWLYHO RWKHUZLVH LW PD FDXVH HOHFWULF VKRFN 7KH HOORZ JUHHQ ZLUH LQ DLU FRQGLWLRQHU LV JURXQGLQJ ZLUH ZKLFK FDQ W EH XVHG IRU RWKHU SXUSRVHV 7K...

Страница 54: ...KRZ LQ LJ RQQHFW WKH 3LSH RI QGRRU 8QLW LP WKH SLSH MRLQW DW WKH FRUUHVSRQGLQJ EHOOPRXWK V VKRZ LQ LJ 3UHWLJKWHQLQJ WKH XQLRQ QXW ZLWK KDQG GMXVW WKH WRUTXH IRUFH E UHIHUULQJ WR WKH IROORZLQJ VKHHW 3O...

Страница 55: ...FWLRQ SLSH SRZHU FRUG DQG GUDLQ KRVH ZLWK WKH EDQG V VKRZ LQ LJ 5HVHUYH D FHUWDLQ OHQJWK RI GUDLQ KRVH DQG SRZHU FRUG IRU LQVWDOODWLRQ ZKHQ ELQGLQJ WKHP KHQ ELQGLQJ WR D FHUWDLQ GHJUHH VHSDUDWH WKH LQ...

Страница 56: ...PDOIXQFWLRQ RI VSDUH SDUW IWHU WKH ZLUH KDV EHHQ HG HQVXUH WKHUH LV IUHH VSDFH EHWZHHQ WKH FRQQHFWLRQ DQG LQJ SODFHV RQ WKH OHDG ZLUH 6FKHPDWLF GLDJUDP EHLQJ UHIHUHQFH RQO SOHDVH UHIHU WR UHDO SURGXF...

Страница 57: ...H RSHQ FRPSOHWHO W PD FDXVH LQVXI FLHQW FRROLQJ KHDWLQJ FDSDFLW The water outlet can t be placed in water 8VH 9DFXXP 3XPS 5HPRYH WKH YDOYH FDSV RQ WKH OLTXLG YDOYH DQG JDV YDOYH DQG WKH QXW RI UHIULJH...

Страница 58: ...e of the trans former if it is incorrect change the transformer No power Check power supply circuit Fuse of controller burnt out The air condition er does not react after it is powered the buzzer does...

Страница 59: ...heat insulation 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 accumula...

Страница 60: ...too high Manostat 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 mo...

Страница 61: ...r Drainage pipe 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 co...

Страница 62: ...VLV GLVFKDUJH SURWHFWLRQ RYHUORDG 2YHUFXUUHQW SURWHFWLRQ 2 6 DQG EOLQN WLPHV 2 6 DQG EOLQN WLPHV XULQJ FRROLQJ DQG GU LQJ RSHUDWLRQ FRPSUHVVRU DQG RXWGRRU IDQ VWRS ZKLOH LQGRRU IDQ RSHUDWHV XULQJ KHD...

Страница 63: ...WXUH VHQVRU LV RSHQ VKRUW FLUFXLWHG 2 6 DQG EOLQN WLPHV 2 6 DQG EOLQN WLPHV XULQJ FRROLQJ DQG GU LQJ RSHUDWLQJ FRPSUHVVRU VWRSV ZKLOH LQGRRU IDQ RSHUDWHV XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQLW ZLOO...

Страница 64: ...UDWH XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQLW ZLOO VWRS RSHUDWLRQ 0HDVXUH WKH YROWDJH RI SRVLWLRQ DQG 1 RQ ZLULQJ ERDUG 7 LI WKH YROWDJH LV KLJKHU WKDQ 9 WXUQ RQ WKH XQLW DIWHU WKH VXSSO YROWDJH LV L...

Страница 65: ...HPSHUDWXUH VHQVRU FLUFXLW 3 2 6 DQG EOLQN WLPHV XULQJ FRROLQJ DQG GU LQJ RSHUDWLRQ FRPSUHVVRU ZLOO VWRS ZKLOH LQGRRU IDQ ZLOO RSHUDWH XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQLW ZLOO VWRS 5HSODFH RXWGRR...

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Страница 75: ...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 Shut down the...

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Страница 77: ...tage between the 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...

Страница 78: ...erature 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 protection pl...

Страница 79: ...FRPSUHVVRU VWRSSLQJ HQRXJK DXOW GLDJQRVLV SURFHVV 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 f...

Страница 80: ...for the compressor 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...

Страница 81: ...0 minutes 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...

Страница 82: ...e 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 the resistance a...

Страница 83: ...perate 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 circuit of the outd...

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Страница 85: ...e power supply to restore the range 210VAC 250VAC N power on and restart the unit If the fault is eliminated Shut down the power and wait 20n muties or use DC voltmeter to measure the voltage on the t...

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Страница 87: ...he control panel AP1 N N Y Y Y Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2...

Страница 88: ...and outdoor fan work well De energize the unit and wait for 20min Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in heating mode If the ra...

Страница 89: ...ssor wire COMP UVW is well connected and connection sequence is correct Replace control board AP1 If the stop time of compressor is more than 3min N If the stop time is not enough and the high and low...

Страница 90: ...outdoor fan works normally If the stop time of compressor is more than 3min End Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control...

Страница 91: ...heck if the expansion valve is blocked If the wiring terminal FA of electron expansion is well connected Remove malfunction Remove malfunction Check if the coil of electron expansion is installed on t...

Страница 92: ...it of outdoor unit Problem of communication circuit Check if the controller connection wire inside indoor and outdoor electric box is loose Connection correct Connect wire of indoor and outdoor unit a...

Страница 93: ...diagram with voltage meter Number jumping Number jumping Number jumping Number jumping Outdoor unit malfunction Test voltage value of Test 13 position in diagram with voltage meter Test voltage value...

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Страница 103: ...make it separate from the groove Remove the panel Remove axial sleeve of horizontal louver Loosen the clasp of the filter Push the filter inward and then draw it upward to remove it Bend the louver o...

Страница 104: ...ssy Remove the screws at the joint of the earthing wire and evaporator Loosen the clasp at the joint of the electric box cover and the electric box Remove the 2 screws of the display Remove the electr...

Страница 105: ...and then remove the motor Remove the screw of the motor clamp and then remove the clamp Remove the screws at the joint of the cross flow blade and the motor Take down the motor Procedure Steps motor...

Страница 106: ...r 3 Remove reactor sub assy 2 Remove top cover Remove connection screw fixing cable cross plate and valve cover then remove them Remove connection screws connecting the top cover plate with the front...

Страница 107: ...Steps Remove connection screws between the front grille and the front panel Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and...

Страница 108: ...move the nut fixing the blade and then remove the axial flow blade Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove themotor Remove the 2 tapping screws fixingthe mot...

Страница 109: ...the clapboard sub assy to remove Unscrew the fastening nut of the 4 way valve assy coil and remove the coil Wrap the 4 way valve assy with wet cotton and unsolder the 4 weld spots connecting the 4 wa...

Страница 110: ...over pull the top cover upward to remove it Twist off the screws used for fixing the rear grill pull the rear grill upward to remove it Procedure Steps top cover rear grill front panel front grill Rem...

Страница 111: ...the screws fixing the electric box sub assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Remove the nuts fixing the blade and then remove th...

Страница 112: ...en remove the reactor Remove screws fixing isolation sheet and then remove the isolation sheet reactor isolation sheet Procedure Steps 4 way valve assy Discharge the refrigerant completely unsolder th...

Страница 113: ...ing wrap the gas valve with awet cloth completely to avoid damage to the valve caused by high temperature Remove the screws fixing the liquid valve and unsolder the welding joint connecting the liquid...

Страница 114: ...ing the handle pull the handle upward to remove it Loosen the screws fixing the valve cover and then remove the valve cover Twist off the screws used for fi xing the top cover pull the top cover upwar...

Страница 115: ...el pull it upward loosen the clasp on the right side rotate it to the left and then remove the front panel 2 Remove the screws connecting the right side plate with the chassis the valve support and th...

Страница 116: ...nd then remove the axial flow fan Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it 1 Twist of...

Страница 117: ...fixing the valve sub assy Unsolder the soldering joint between gas valve and air return pipe and then remove the gas valve note when unsoldering the soldering joint wrap the gas valve with wet cloth...

Страница 118: ...pressor and the condenser assy and then remove the 4 way valve Twist off the three foot nuts on compressor and then remove the compressor Remove the 4 tapping screws fixing the motor disconnect the le...

Страница 119: ...fixing the valve cover and then remove it Procedure Steps 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the t...

Страница 120: ...edure Steps Remove screws connecting front side plate outer case and chassis and then remove the front side plate Remove screws fixing front panel chassis and motor support and then remove the front p...

Страница 121: ...emove nut on blade with wrench and then remove the axial flow blade Remove screws fixing electric box cut off the tielien with scissors pull out the wiring terminal and then lift up the electric box t...

Страница 122: ...fixing the motor support pull it upwards and then remove the motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet U...

Страница 123: ...ove 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 first Unsolder the solde...

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Страница 129: ...Willis Air Conditioning Add 2105 chemin de la cote de liesse Montr al QC H4N 2M5 Canada Tel 514 735 7147...

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