Gree GVH48AH-M3DNA5A Page 2 Service Manual Download

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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