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Toyotomi GAG-A128GVR-T3, Service Manual

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Toyotomi GAG-A128GVR-T3 Service Manual Download Page 38

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Summary of Contents for GAG-A128GVR-T3

Page 1: ...02 1 95 7 95 7 1 95 7 95 7 1 95 7 95 7 1 95 7 95 7 5HIULJHUDQW 5 Service Manual...

Page 2: ...JUDP XQFWLRQ DQG RQWURO 5HPRWH RQWUROOHU QWURGXFWLRQ ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 3DUW QVWDOODWLRQ DQG 0DLQWHQDQFH 1RWHV IRU QVWDOODWLRQ DQG 0DLQWHQDQFH QVWDOODWLRQ QVWDOODWLRQ LPHQVLRQ LDJUD...

Page 3: ...2XWGRRU 8QLW 5HPRYDO 3URFHGXUH 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW SSHQGL SSHQGL 5HIHUHQFH 6KHHW RI HOVLXV DQG DKUHQKHLW SSHQGL RQ JXUDWLRQ RI RQQHFWLRQ 3LSH SSHQGL 3LSH...

Page 4: ...6XPPDU QGRRU 8QLW 3DUW 7HFKQLFDO QIRUPDWLRQ 1 95 7 1 95 7 1 95 7 1 95 7 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 5HPRWH RQWUR...

Page 5: ...RU 8QLW QGRRU 8QLW 0RGHO 1 95 7 1 95 7 QGRRU 8QLW 3URGXFW RGH 1 B 1 B QGRRU 8QLW DQ 7 SH URVV RZ URVV RZ QGRRU 8QLW DQ LDPHWHU HQJWK PP RROLQJ 6SHHG 6 0 U PLQ HDWLQJ 6SHHG 6 0 U PLQ QGRRU 8QLW DQ 0RWR...

Page 6: ...O HQJWK PP 2XWGRRU 8QLW DQ 0RWRU 6SHHG USP 2XWGRRU 8QLW DQ 0RWRU 3RZHU 2XWSXW 2XWGRRU 8QLW DQ 0RWRU 5 2XWGRRU 8QLW DQ 0RWRU DSDFLWRU 2XWGRRU 8QLW LU ORZ 9ROXPH P K 2XWGRRU 8QLW DQ 7 SH LDO RZ LDO RZ 2...

Page 7: ...W 0RGHO 1 95 7 1 95 7 QGRRU 8QLW 3URGXFW RGH 1 B 1 B QGRRU 8QLW DQ 7 SH URVV RZ URVV RZ QGRRU 8QLW DQ LDPHWHU HQJWK PP RROLQJ 6SHHG 6 0 U PLQ HDWLQJ 6SHHG 6 0 U PLQ QGRRU 8QLW DQ 0RWRU 3RZHU 2XWSXW QG...

Page 8: ...2XWGRRU 8QLW DQ 0RWRU 6SHHG USP 2XWGRRU 8QLW DQ 0RWRU 3RZHU 2XWSXW 2XWGRRU 8QLW DQ 0RWRU 5 2XWGRRU 8QLW DQ 0RWRU DSDFLWRU 2XWGRRU 8QLW LU ORZ 9ROXPH P K 2XWGRRU 8QLW DQ 7 SH LDO RZ LDO RZ 2XWGRRU 8QLW...

Page 9: ...0 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 80 11 10 9 8 7 6 5 4 3 2 1 0 Compressor speed rps Current A 11 10 9 8 7 6 5 4 3 2 1 0 Compressor speed rps Current A Conditions Indoor DB27 C WB19 C Outdoor...

Page 10: ...0 20 40 60 80 100 120 15 10 5 0 5 10 Capacity ratio Condition Indoor DB20 C Indoor air flow Super High Pipe length 7 5m Outdoor temp C HDWLQJ RROLQJ 8QLW 32 33 34 35 36 37 38 39 43 15 10 5 0 5 7 10 4...

Page 11: ...W 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 7 7 WR WR WR 6XSHU LJK LJK WR WR QVWUXFWLRQ 7 QOHW DQ...

Page 12: ...YLFH 0DQXDO 7HFKQLFDO QIRUPDWLRQ 2XWOLQH LPHQVLRQ LDJUDP QGRRU 8QLW 8QLW PP 70 70 70 90 45 45 40 55 55 55 55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 W D H 103 149 542 176 130 685 193 8QLW 8QLW 8QLW 0R...

Page 13: ...6HUYLFH 0DQXDO 7HFKQLFDO QIRUPDWLRQ 2XWGRRU 8QLW 95 7 95 7 712 766 257 320 540 286 510 8QLW PP 762 848 257 320 540 286 540...

Page 14: ...unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Electron expansion valve 8QLW 8QLW In...

Page 15: ...LV XVHG WR GHWHUPLQH IDQ VSHHG DQG WKH VZLQJ DQJOH RI KRUL RQWDO ORYHU IRU WKLV PRGHO 1 95 7 1 95 7 0 0 AC L M1 PG PGF FAN MOTOR ROOM YEGN BK BU M1 SWING UD OUTDOOR UNIT AP2 PRINTED CIRCUIT BOARD ROOM...

Page 16: ...ironshellmotor groundonly EKV CN1 4V WARNING Please don t touch any terminal when AP2 is higher than 30V to prevent the risk of electrical shock the voltage of terminal DC and DC at ELECTRICAL BOX OVE...

Page 17: ...URBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 21 2 EXWWRQ 02 EXWWRQ EXWWRQ 1 EXWWRQ EXWWRQ 1 EXWWRQ 7 03 EXWWRQ 7 0 5 EXWWRQ 785 2 EXWWRQ 6 3 EXWWRQ 7 EXWWRQ 7 6 9...

Page 18: ...QG EXWWRQ WR DGMXVW VZLQJ DQJOH RROLQJ RQO XQLW FDQ W UHFHLYH WKH VLJQDO IRU KHDWLQJ PRGH 1RWH RU SUHYHQWLQJ FROG ZLQG DIWHU VWDUWLQJ XS KHDWLQJ PRGH LQGRRU IDQ ZLOO EORZ IDQ DIWHU GHOD LQJ PLQ HWDLOV...

Page 19: ...EXWWRQ DJDLQ WR FDQFHO 1 IXQFWLRQ 7KH FKDUDFWHU RI 1 ZLOO GLVDSSHDU 1RWH IWHU VWDUWLQJ XS 1 IXQFWLRQ ZKHQ WXUQLQJ RII WKH XQLW LQGRRU IDQ ZLOO FRQWLQXH WR RSHUDWH IRU D ZKLOH DW ORZ VSHHG WR GU WKH U...

Page 20: ...QG IWHU SXWWLQJ WKURXJK WKH SRZHU SUHVV EXWWRQ RQ UHPRWH FRQWUROOHU WR WXUQ RQ WKH DLU FRQGLWLRQHU 3UHVV EXWWRQ WR VHOHFW RXU UHTXLUHG PRGH 872 22 5 1 7 3UHVV RU EXWWRQ WR VHW RXU UHTXLUHG WHPSHUDWXUH...

Page 21: ...LQGRRU IDQ ZLOO UXQ DW ORZ VSHHG I 7SUHVHW 7DPE 7SUHVHW WKH FRPSUHVVRU UHPDLQV DW LWV RULJLQDO RSHUDWLRQ VWDWH I 7DPE 7SUHVHW WKH FRPSUHVVRU ZLOO VWRS WKH RXWGRRU IDQ ZLOO VWRS ZLWK D WLPH ODJ RI V DQ...

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Page 23: ...FWLRQ WHPSHUDWXUH ZLOO GHFUHDVH HYHU RQH KRXU IWHU WHPSHUDWXUH LV LQFUHDVHG E WKH XQLW ZLOO NHHS WKLV WHPSHUDWXUH QGRRU DQ RQWURO 6SHHG RI LQGRRU IDQ FDQ EH VHW DV 7XUER LJK 0HG RZ E UHPRWH FRQWURO Q...

Page 24: ...UW DQG VKRUW FLUFXLW FRQWLQXRXVO PHDVXUHG IDLOXUH LQ 6 2XWGRRU DPELHQW VHQVRU VWDUW DQG VKRUW FLUFXLW FRQWLQXRXVO PHDVXUHG IDLOXUH LQ 6 2XWGRRU FRQGHQVHU VHQVRU VWDUW DQG VKRUW FLUFXLW FRQWLQXRXVO PHD...

Page 25: ...DWXUH FDQ EH VHW DW a RROLQJ DW ORZ WHPSHUDWXUH WKDW LV WKH PLQLPXP VHWWLQJ WHPSHUDWXUH IRU RXWGRRU XQLW MXGJPHQW LV U 0RGH RQGLWLRQV DQG SURFHVVHV RI GU RSHUDWLRQV 6DPH DV WKH FRROLQJ PRGH 7KH WHPSHU...

Page 26: ...FUHDVH RU WKH RSHUDWLRQ IUHTXHQF RI FRPSUHVVRU PD VWRS LQFUHDVLQJ I WKH XQLW VWRSV RSHUDWLRQ GXH WR IUHH H SUHYHQWLRQ SURWHFWLRQ IRU WLPHV VXFFHVVLYHO WKH XQLW FDQW UHVXPH RSHUDWLRQ DXWRPDWLFDOO DQG H...

Page 27: ...SURWHFWLRQ VLJQDO 0DLQ FKLS ZLOO GHWHFW WKH PRGXODU SURWHFWLRQ VLJQDO DV VRRQ DV WKH XQLW LV WXUQHG RQ 2QFH PRGXODU SURWHFWLRQ VLJQDO LV GHWHFWHG WKH XQLW ZLOO VWRS RSHUDWLRQ LPPHGLDWHO GXH WR SURWHFW...

Page 28: ...cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruct...

Page 29: ...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...

Page 30: ...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 7KH JURXQGLQJ UHVLVWDQFH VK...

Page 31: ...LRQ QXW 7LJKWHQ WKH XQLRQ QXW ZLWK WRUTXH ZUHQFK V VKRZ LQ LJ UDS WKH LQGRRU SLSH DQG MRLQW RI FRQQHFWLRQ SLSH ZLWK LQVXODWLQJ SLSH DQG WKHQ ZUDS LW ZLWK WDSH V VKRZ LQ LJ Outlet pipe Drain hose Drain...

Page 32: ...WKHQ WLJKWHQ WKH VFUHZ ORVH WKH SDQHO OO ZLUHV RI LQGRRU XQLW DQG RXWGRRU XQLW VKRXOG EH FRQQHFWHG E D SURIHVVLRQDO I WKH OHQJWK RI SRZHU FRQQHFWLRQ ZLUH LV LQVXI FLHQW SOHDVH FRQWDFW WKH VXSSOLHU IR...

Page 33: ...RUGLQJ WR WKH FRORU WKHP ZLWK VFUHZV V VKRZ LQ LJ IWHU WLJKWHQLQJ WKH VFUHZ SXOO WKH SRZHU FRUG VOLJKWO WR FKHFN LI LW LV UP 1HYHU FXW WKH SRZHU FRQQHFWLRQ ZLUH WR SURORQJ RU VKRUWHQ WKH GLVWDQFH 1RWH...

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Page 35: ...FRYHU RI RXWGRRU XQLW DQG WKHQ UHPRYH WKH FRYHU RI HOHFWULF ER V VKRZQ LQ WKH J EHORZ FRQQHFW WKH SOXJ RI GLVFKDUJH UHVLVWDQFH DERXW RKP LI WKHUH LV QR GLVFKDUJH UHVLVWDQFH RX FDQ XVH WKH SOXJ RI VRO...

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Page 38: ...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 LQFUH...

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Page 42: ...FRQWURO ERDUG 3 PDOIXQFWLRQ QGRRU PRWRU 0 PDOIXQFWLRQ XPS ZLUH FDS PDOIXQFWLRQ SURWHFWLRQ 2II V EOLQN WLPHV KROH XQLW ZLOO VWRS WR UXQ QGRRU FRQWURO ERDUG 3 MXPS FDS SRRU FRQQHFWHG SOHDVH UHLQVHUW RU...

Page 43: ...FRPSUHVVRU UXQQLQJ LQGRRU RXWGRRUIDQ PRWRU VWRS ZRUNLQJ W LV QRUPDO IXQFWLRQ RPSUHVVRU RYHUORDG SURWHFWLRQ 2II V EOLQN WLPHV RROLQJ GHKXPLGLI LQJ FRPSUHVVRU VWRSV UXQQLQJ LQGRRU IDQ PRWRU ZRUNV HDWLQ...

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Page 45: ...he 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 p...

Page 46: ...XUH RRVH V WKH FRQQHFWLRQ LQ FRUUHFW RUGHU V WKH YROWDJH LQSXW RI WKH PDFKLQH ZLWKLQ QRUPDO UDQJH 8VH YROWPHWHU WR PHDVXUH WKH YROWDJH EHWZHHQ WHUPLQDO DQG 1 RQ WKH ZLULQJ ERDUG 7 V WKH FRPSUHVVRU FRL...

Page 47: ...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...

Page 48: ...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...

Page 49: ...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...

Page 50: ...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...

Page 51: ...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...

Page 52: ...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...

Page 53: ...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...

Page 54: ...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...

Page 55: ...FRQQHFWHG I WKH DUH ORRVHQHG I WKH FRQQHFWLRQ VHTXHQFH LV FRUUHFW V YROWDJH LQSXW LQ WKH QRUPDO UDQJH 7HVW WKH YROWDJH EHWZHHQ 1 RI ZLULQJ ERDUG 7 E YROWDJH PHWHU I FRLO UHVLVWDQFH RI FRPSUHVVRU LV Q...

Page 56: ...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...

Page 57: ...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...

Page 58: ...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...

Page 59: ...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...

Page 60: ...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...

Page 61: ...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...

Page 62: ...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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