manualshive.com logo in svg

Gree GVH48AH-M3DNA5A, Service Manual, Page: 59 / 71

Share
Download
Gree GVH48AH-M3DNA5A Service Manual Download Page 59

,QVWDOODWLRQDQG0DLQWHQDQFH

6HUYLFH0DQXDO

top  panel

front side plate

2.Remove front side plate  

1.Remove top panel

Twist off the screws used for fixing the top cover
with screwdriver, lift up the top cover and then
remove the top cover

．

Twist off the screws used for fixing the front side
plate, pull the front side plate forward and
outward and then remove the front side plate

．

Steps

Procedure

5HPRYDO3URFHGXUHRI2XWGRRU8QLW

Summary of Contents for GVH48AH-M3DNA5A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual 0RGHO 9 0 1 5HIULJHUDQW 5...

Page 2: ...LFDO 3DUW LULQJ LDJUDP 3 3ULQWHG LDJUDP XQFWLRQ DQG RQWURO XQFWLRQ XWWRQV RI LU RQGLWLRQHU HVFULSWLRQ RI DFK RQWURO 2SHUDWLRQ 5HPRWH RQWUROOHU QWURGXFWLRQ 3DUW QVWDOODWLRQ DQG 0DLQWHQDQFH 1RWHV IRU QV...

Page 3: ...0DLQWHQDQFH 0HWKRG IRU 1RUPDO 0DOIXQFWLRQ SORGHG 9LHZ DQG 3DUWV LVW QGRRU 8QLW 2XWGRRU 8QLW 5HPRYDO 3URFHGXUH 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW SSHQGL SSHQGL 5HIHUHQFH...

Page 4: ...FDO QIRUPDWLRQ 6XPPDU 3DUW 7HFKQLFDO QIRUPDWLRQ QGRRU 8QLW 2XWGRRU 8QLW 9 0 1 9 0 1 2 5HPRWH RQWUROOHU 1 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TE...

Page 5: ...LGLI LQJ 9ROXPH K 5 23 6 5 6 23 SSOLFDWLRQ UHD P QGRRU 8QLW 0RGHO RI LQGRRU XQLW 9 0 1 QGRRU 8QLW 3URGXFW RGH 1 DQ 7 SH HQWULIXJDO LDPHWHU HQJWK PP DQ 0RWRU RROLQJ 6SHHG 6 0 6 U PLQ DQ 0RWRU HDWLQJ 6S...

Page 6: ...HWHU PP 5RZV Q DS PP RLO HQJWK PP DQ 0RWRU 6SHHG USP 2XWSXW RI DQ 0RWRU DQ 0RWRU 5 DQ 0RWRU DSDFLWRU LU ORZ 9ROXPH RI 2XWGRRU 8QLW P K DQ 7 SH LDO RZ DQ LDPHWHU PP HIURVWLQJ 0HWKRG XWRPDWLF HIURVWLQJ...

Page 7: ...U XQLW QOHW DQG RXWOHW SLSH WHPSHUDWXUH RI KHDW H FKDQJHU DQ VSHHG RI LQGRRU XQLW DQ VSHHG RI RXWGRRU XQLW QGRRU 2XWGRRU 3 03D 7 7 a a a 6XSHU LJK LJK RROLQJ HDWLQJ QVWUXFWLRQ 7 QOHW DQG RXWOHW SLSH W...

Page 8: ...6HUYLFH 0DQXDO 7HFKQLFDO QIRUPDWLRQ 2XWOLQH LPHQVLRQ LDJUDP QGRRU 8QLW 8QLW PP...

Page 9: ...6HUYLFH 0DQXDO 7HFKQLFDO QIRUPDWLRQ 2XWGRRU 8QLW 8QLW PP 1018 950 440 631 b 440 1107 360...

Page 10: ...FL FDWLRQ LTXLG SLSH PP DV SLSH PP RROLQJ HDWLQJ PRGHO Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe...

Page 11: ...WLRQ AP3 AP2 AP1 MAIN BOARD FILTERBOARD MAIN BOARD NOUTLOUT CN1 YEGN CN411 CN390 CN391 TR OUT1 TR OUT2 INDOOR UNIT CN6 TRANSFORMER PE CN16 DC FAN MOTOR RD BK CN4 CN3 M3 CN630 TR IN CN7 DISPLAY AP4 ROO...

Page 12: ...L2 VT BK L3 BN XT1 YEGN BK BU INDOOR UNIT BN XT2 COMPRESSOR HIGH PRESSURE PROTECTION SWITCH EH BAND HEATER VALVE EXPANSION ELECTRONIC 4 WAY 4YV VALVE FA HPP HEAT VT VT PE TERMINAL BLOCK 3 2 N 1 REACT...

Page 13: ...DWXUH VHQVRU RQQHFW WR 5 1 RQ 3 ERDUG 1HHGOH VWDQG RI OHIW ULJKW VZLQJ 1HHGOH VWDQG RI XS GRZQ VZLQJ DQ VSHHG FRQWURO WHUPLQDO RI GULYH ERDUG RI IDQ 7HUPLQDO RI OLYH ZLUH IRU GULYH ERDUG RI IDQ 7HUPLQ...

Page 14: ...DOYH OHFWULF KHDWLQJ RI FKDVVLV ZD YDOYH IDQ OHFWULF KHDWLQJ EHOW RPPXQLFDWLRQ WHUPLQDO LJK SUHVVXUH YDOYH RZ SUHVVXUH YDOYH 2YHUORDG SURWHFWLRQ WHUPLQDO RI FRPSUHVVRU LJK SUHVVXUH VHQVRU RZ SUHVVXUH...

Page 15: ...re without any change Air supply The compressor doesn t on work and only the indoor blower is on running under this mode Heating Display the state of heating Note Single cooling machine is not equippe...

Page 16: ...minimum position start up running of all loads indoor and outdoor high speed blowers besides the four way valve and then the buzzer rings After shutdown for five minutes or receiving shutdown signal w...

Page 17: ...nt But the setting temperature under the energy saving cooling function can not be adjusted The modes of living room restaurant conference office can only be called out by pressing buttons of air con...

Page 18: ...urant Indicate mode of restaurant RESTAURANT Common mode Indicate common mode COMMON Status of swing Display status of swing Swing BLOW Function When the typeface light is on it indicates setting the...

Page 19: ...n mode and the internal setting temperature is 20 When Tamb 24 the unit will quit from the fan mode 2 Protection Function When antifreezing protection is detected the corresponding load will be stoppe...

Page 20: ...rol Indicator will be in red when the unit is in standby status and it will turn to green when the unit is turned on When any one of the circumstances as below occurs the green indicator will blink co...

Page 21: ...DWXV GLVSOD VFUHHQ RQ UHPRWH FRQWUROOHU GLVSOD V WKH FRUUHVSRQGLQJ VWDUWXS IXQFWLRQ V LFRQ ON OFF Button 2 3 1 5 6 4 9 10 8 12 13 11 MODE Button Button X FAN Button TEMP Button TURBO Button SLEEP Butt...

Page 22: ...WWRQ LW FDQ LQFUHDVH RU GHFUHDVH VHW WHPSHUDWXUH ROG RU EXWWRQ V ODWHU VHW WHPSHUDWXUH RQ UHPRWH FRQWUROOHU ZLOO FKDQJH TXLFNO IWHU UHDFKLQJ WR RXU UHTXLUHG WLPH ORRVHQ WKH EXWWRQ 7HPSHUDWXUH LQGLFDWR...

Page 23: ...NO XQWLO WR UHDFK WR RXU UHTXLUHG WLPH IWHU WKDW SUHVV 7 0 5 EXWWRQ WR FRQ UP LW 7KH FKDUDFWHU RI 285 DQG 2 ZRQ W DVK DJDLQ DQFHO 7 0 5 2 3UHVV 7 0 5 EXWWRQ DJDLQ XQGHU 7 0 5 2 VWDWXV EXWWRQ 3UHVV WKL...

Page 24: ...HU IXQFWLRQ IRU WHPSHUDWXUH GLVSOD IWHU WXUQLQJ RII WKH XQLW E UHPRWH FRQWUROOHU SUHVV EXWWRQ DQG 02 EXWWRQ VLPXOWDQHRXVO WR VZLWFK EHWZHHQ DQG XQFWLRQ QWURGXFWLRQ IRU RPELQDWLRQ XWWRQV KLOG ORFN IXQF...

Page 25: ...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 DQG JURXQGLQJ ZLUH RI SRZHU VXSSO...

Page 26: ...DVXULQJ 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 RSHQ...

Page 27: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO QVWDOODWLRQ QVWDOODWLRQ LPHQVLRQ LDJUDP...

Page 28: ...s 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...

Page 29: ...U 8QLW YRLG LQVWDOOLQJ WKH LQGRRU XQLW LQ D SODFH ZKHUH JHQHUDWHG RU OHDNHG LQ DPPDEOH JDV ZLOO VWD YRLG LQVWDOOLQJ WKH LQGRRU XQLW LQ D PRLVW SODFH RU LQ D SODFH ZKHUH RLO PD EH VSODVKHG RQ WKH XQLW...

Page 30: ...HIHUULQJ WR WKH IROORZLQJ VKHHW 3ODFH WKH RSHQ HQG ZUHQFK RQ WKH SLSH MRLQW DQG SODFH WKH WRUTXH ZUHQFK RQ WKH XQLRQ QXW 7LJKWHQ WKH XQLRQ QXW ZLWK WRUTXH ZUHQFK V VKRZ LQ LJ UDS WKH LQGRRU SLSH DQG M...

Page 31: ...VHDOLQJ JXP V VKRZ LQ LJ L WKH ZDOO SLSH KHFN LI WKH LQGRRU XQLW LV LQVWDOOHG UPO 7KH SRZHU FRUG DQG FRQWURO ZLUH FDQ W EH FURVVHG RU ZLQGLQJ 7KH GUDLQ KRVH VKRXOG EH ERXQG DW WKH ERWWRP indoor unit...

Page 32: ...H WR WKH ZLULQJ WHUPLQDO DFFRUGLQJ WR WKH FRORU WKHP ZLWK VFUHZV V VKRZ LQ LJ L WKH SRZHU FRQQHFWLRQ ZLUH ZLWK ZLUH FOLS LJ Note the wiring connection is for reference only please refer to the actual...

Page 33: ...e placed in water 12 WHPV WR EH FKHFNHG 3RVVLEOH PDOIXQFWLRQ DV WKH XQLW EHHQ LQVWDOOHG UPO 7KH XQLW PD GURS VKDNH RU HPLW QRLVH DYH RX GRQH WKH UHIULJHUDQW OHDNDJH WHVW W PD FDXVH LQVXI FLHQW FRROLQJ...

Page 34: ...EXW WKH LQGRRU WXEH WHPSHUDWXUH VHQVRU LV DEQRUPDO RU WKH WXEH WHPSHUDWXUH VHQVRU LV QRW FRQQHFWHG ZHOO RZ SUHVVXUH SURWHFWLRQ RI FRPSUHVVRU 7KH FRPSOHWH XQLW VWRSV 7KH PDLQ ERDUG DQG GLVSOD SDQHO DUH...

Page 35: ...witch is loosened please connect the wires according to the circuit diagram If the high pressure switch is broken or poorly contacted please replace it yes Malfunction is eliminated no Adjust the volu...

Page 36: ...r tube temperature sensor is abnormal Replace control panel End Clean the filter check h g u o n e s e r e h t r e h t e h w space at the top of indoor unit Check whether jumper cap and motor is norma...

Page 37: ...of low pressure switch inserted well Re insert it tightly to ensure reliable contact Is the malfunction eliminated Replace the low pressure switch Is the higher than the acting value of the low pressu...

Page 38: ...is solved Check wiring and fan capacitor replace motor Check the unit to let the air come in and come out smoothly Replace tempera ture sensor Motor speed of outdoor unit is abnoral under cooling mode...

Page 39: ...ressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc no no no no yes no no Replace the control panel End Normal fluctuation is within 10 of the...

Page 40: ...LUFXLW PDOIXQFWLRQ 3 30 KLJK WHPSHUDWXUH SURWHFWLRQ 3 2YHU YROWDJH SURWHFWLRQ IRU 31 3 RZ 31 YROWDJH SURWHFWLRQ 3 XUUHQW HWHFW 6HQVRU PDOIXQFWLRQ 3F 30 0RGXOH 5HVHW 3 3KDVH RVV G ULYHU 0RGXOH RPPXQLFD...

Page 41: ...GLUW WKDW DIIHFW WKH KHDW H FKDQJLQJ HIIHFW 8 2 8 FRPPXQLFDWLRQ PDOIXQFWLRQ 0DLQ FKHFN SRLQWV D KHFN LI WKH ZLULQJ FRQQHFWLRQ LI 8 DQG 2 8 LV FRUUHFW E KHFN LI WKH OWHU FRPPXQLFDWLRQ SRZHU VXSSO YROW...

Page 42: ...WKH WHPS VHQVRU UHVLVWDQFH LV QRUPDO SOHDVH UHSODFH 2 8 PDLQERDUG 2 8 DLU GLVFKDUJLQJ WHPS VHQVRU RSHQ VKRUW FLUFXLW 0DOIXQFWLRQ GHVFULSWLRQ 7KH 2 8 DLU GLVFKDUJLQJ WHPS VHQVRU WHPSHUDWXUH YDOXH LV WR...

Page 43: ...FKHFN SRLQWV D KHFN LI WKH FRPSUHVVRU ZLULQJ FRQQHFWLRQ LV ZHOO FRQQHFWHG LI WKH FRPSUHVVRU ZLULQJ VHTXHQFH LV FRUUHFW 7KH FRUUHFW ZLULQJ VHTXHQFH LV HOORZ EOXH UHG LQ DQWLFORFNZLVH GLUHFWLRQ E 0HDVXU...

Page 44: ...LQJ FRPPDQG LV UHFHLYHG LI LW LV GHWHFWHG E FKLS WKDW WKH YROWDJH RI HOHFWURO WLF FDSDFLWRU LV ORZ LW LV 2 8 FDSDFLWRU FKDUJLQJ PDOIXQFWLRQ 0DLQ FKHFN SRLQWV D KHFN LI WKH XQLW YROWDJH LQSXW LV ZLWKLQ...

Page 45: ...OWDJH YDOXH LV QRW DURXQG 9 SOHDVH UHSODFH WKH PDLQERDUG 3 30 PRGXOH UHVHW 0DOIXQFWLRQ GHVFULSWLRQ 63 FKLS UHVHW DQG LQLWLDOL H 0DLQ FKHFN SRLQWV KHFN LI WKH ZLULQJ GLVWULEXWLRQ LQ HOHFWULF ER LV UHJX...

Page 46: ...IRU GHWDLOV 0DOIXQFWLRQ RI FRPSUHVVRU RPSUHVVRU FDQ W RSHUDWH 5HIHU WR SRLQW RI PDLQWHQDQFH PHWKRG IRU GHWDLOV 0DLQWHQDQFH 0HWKRG IRU 1RUPDO 0DOIXQFWLRQ LU RQGLWLRQHU DQ W EH 6WDUWHG 8S 3RRU RROLQJ HD...

Page 47: ...GUDLQ SLSH 5HSODFH GUDLQ SLSH UDSSLQJ LV QRW WLJKW DWHU OHDNLQJ IURP WKH SLSH FRQQHFWLRQ SODFH RI LQGRRU XQLW UDS LW DJDLQ DQG EXQGOH LW WLJKWO RPSUHVVRU DQ W 2SHUDWH 3RVVLEOH FDXVHV LVFULPLQDWLQJ PH...

Page 48: ...OODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO SORGHG 9LHZ DQG 3DUWV LVW QGRRU 8QLW 7 1 2 3 4 5 6 8 12 13 14 15 16 17 18 19 20 21 23 24 25 22 9 10 11 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 45 4...

Page 49: ...QNVKDIW RI XLGH RXYHU 6WHSSLQJ 0RWRU UDQNVKDIW RI XLGH RXYHU 6WHSSLQJ 0RWRU LU RXYHU XLGH ODGH HYHU OHFWULF RQWUROOHU R 6XE VV LU XDUG VV XWWRQ LVSOD RDUG DWFK LU 2XWOHW 3DQHO VV 6FUHZ RYHU LOWHU 6XE...

Page 50: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 2XWGRRU 8QLW 39 44 29 34 18 36 30 27 31 24 32 22 12 40 19 28 26 25 23 10 11 38 37 35 33 9 3 1 42 41 8 45 46 43 14 13 4 6 7 5 2 16 15 17 20 21...

Page 51: ...HFWULF R 0DLQ RDUG 5HDFWRU 7HUPLQDO RDUG 5DGLDWRU LOWHU RDUG OHFWULF R VV 6ROHQRLG RI OHFWURQLF SDQVLRQ 9DOYH ZD 9DOYH VV ZD 9DOYH 5LJKW 6LGH 3ODWH 6XE VV 3 DQGOH 3UHVVXUH 3URWHFW 6ZLWFK 9DOYH 6XSSRUW...

Page 52: ...edure 1 Remove air inlet panel Remove the screw stopper remove the screws fixing air inlet panel and pull the upper part of air inlet panel outwards 2 Remove air outlet panel Remove the screws fixing...

Page 53: ...e the screws fixing controller box remove the controller box cover to remove the display board remove the screw fixing motor in the air outlet panel sub assy remove the horizontal swing motor and vert...

Page 54: ...assy Remove the screw fixing electric box cover to remove the electric box cover disconnect each wiring terminal remove the relevant electrical elements according to the requirement remove the screw...

Page 55: ...Remove the screws fixing the top connection plate and lower connection plate of evaporator pull the left side plate and right side plate outwards slightly to remove the evaporator water guard and wate...

Page 56: ...he screws fixing propeller housing clamp and then pull the propeller housing clamp outwards to remove the propeller housing clamp 9 Remove propeller housing sub assy Remove the screws fixing propeller...

Page 57: ...e centrifugal blade Remove the nut fixing centrifugal blade to remove the centrifugal blade 11 Remove motor Remove the remove the wire clamp on the rear plate disconnect the motor wire and remove the...

Page 58: ...hassis Remove the screws fixing chassis to remove the chassis 13 Remove left side plate and right side plate Remove the screws fixing left side plate and right side plate to remove the left side plate...

Page 59: ...el Twist off the screws used for fixing the top cover with screwdriver lift up the top cover and then remove the top cover Twist off the screws used for fixing the front side plate pull the front side...

Page 60: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 3 Remove right side plate right side plat Twist off the screw used for fixing the right side plate and then pull the right side plate outward 4...

Page 61: ...move air guard Twist off the screw used for fixing the grille loosen the clasp pull out the grille outward and then remove the grille Twist off the screw used for fixing the outer case pull the cabine...

Page 62: ...9 Remove axial flow blade Twist off the nuts used for fixing the axial flow blade pull the axial flowblade outwardand then remove the blade Cut off the tieline pull out the wiring terminal remove all...

Page 63: ...ly unsolder the air intake pipe of compressor outlet pipe of condenser connecting pipe of gas valve and gas and liquid separator then pull the four way valve and air intake pipe motor Discharge the re...

Page 64: ...e compressor withwrench pull the compressor upward to remove it liquid valve gas valve electric expansion valve valve support Unsolder the spot weld connecting capillary and connecting pipe of liquid...

Page 65: ...off the screws connecting the left side plate and chassis withscrewdriver and then remove the left side plate 16 Remove clapboard Remove 5 screws connecting clapboard end plate of condenser and chass...

Page 66: ...WX K P P WX K P P WX K P P 6HW WHPSHUDWXUH RQYHUVLRQ IRUPXOD IRU DKUHQKHLW GHJUHH DQG HOVLXV GHJUHH 7I 7F PELHQW WHPSHUDWXUH DKUHQKHLW GLVSOD WHPSHUDWXUH DKUHQKHLW HOVLXV DKUHQKHLW GLVSOD WHPSHUDWXUH...

Page 67: ...DNDJH 3OHDVH H SDQG WKH SLSH DFFRUGLQJ WR WKH IROORZLQJ VWHSV XW WKH SLS RQ UP WKH SLSH OHQJWK DFFRUGLQJ WR WKH GLVWDQFH RI LQGRRU XQLW DQG RXWGRRU XQLW XW WKH UHTXLUHG SLSH ZLWK SLSH FXWWHU 5HPRYH WK...

Page 68: ...QDQFH 6HUYLFH 0DQXDO SSHQGL LVW RI 5HVLVWDQFH IRU 7HPSHUDWXUH 6HQVRU 5HVLVWDQFH 7DEOH RI PELHQW 7HPSHUDWXUH 6HQVRU IRU QGRRU DQG 2XWGRRU 8QLWV 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH...

Page 69: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 5HVLVWDQFH 7DEOH RI 7XEH 7HPSHUDWXUH 6HQVRUV IRU QGRRU DQG 2XWGRRU 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N...

Page 70: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 5HVLVWDQFH 7DEOH RI LVFKDUJH 7HPSHUDWXUH 6HQVRU IRU 2XWGRRU 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N 7HPS R 5HVLVWDQFH N...

Page 71: ...nshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132...

Reviews:

No comments