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Gree YB1FAF, Service Manual

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Gree YB1FAF Service Manual Download Page 23

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Summary of Contents for YB1FAF

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

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

Page 3: ...EOHVKRRWLQJ 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 6KHHW R...

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

Page 7: ...5 WX K 23 WX K 6 5 6 23 SSOLFDWLRQ UHD G QGRRU 8QLW 0RGHO RI LQGRRU XQLW 1 1 QGRRU 8QLW 3URGXFW RGH 1 1 DQ 7 SH URVV RZ URVV RZ LDPHWHU HQJWK LQFK DQ 0RWRU RROLQJ 6SHHG 6 0 0 0 6 U PLQ DQ 0RWRU HDWLQJ...

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

Page 9: ...apacity ratio Conditions Indoor Pipe length 24 6ft DB 80 6 F WB66 2 F Condition Indoor DB 70 F Indoor air flow Super High Indoor air flow Super High Pipe length 24 6ft Cooling Heating 0 2 4 6 8 10 12...

Page 10: ...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...

Page 11: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWOLQH LPHQVLRQ LDJUDP 8QLW LQFK 2XWGRRU 8QLW 8QLW LQFK QGRRU 8QLW 53 1 7 12 5 6 10 11 3 5 3 1 2 1 4 7 13 6 7 10 29 2 7 2 3 4 2 3 4...

Page 12: ...or unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Accumlato...

Page 13: ...J ZLUH 1 HOORZ UHHQ ODFN 97 9LROHW 2 2UDQJH 1RWH XPSHU FDS LV XVHG WR GHWHUPLQH IDQ VSHHG DQG WKH VZLQJ DQJOH RI KRUL RQWDO ORYHU IRU WKLV PRGHO 287 225 81 7 1 5 725 22 3 60 803 3 7 0 6 1625 5220 78 7...

Page 14: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWGRRU 8QLW 7KH DERYH GDWD LV VXEMHFW WR FKDQJH ZLWKRXW QRWLFH 3OHDVH UHIHU WR WKH QDPHSODWH RI WKH XQLW 1 2 1 2 2 3 G K101 COM N O 3 G K101 COM N O 2...

Page 15: ...QHXWUDO ZLUH QWHUIDFH RI FRPPXQLFDWLRQ 3RZHU VZLWFK LJK IUHTXHQF WUDQVIRUPHU QWHUIDFH RI IDQ PRWRU X HU QWHUIDFH RI GLVSOD QWHUIDFH RI GLVSOD QGRRU WXEH WHPSHUDWXUH VHQVRU LQWHUIDFH PELHQW WHPSHUDWXUH...

Page 16: ...Q WHUPLQDO 33 7HUPLQDO RI QHXWUDO ZLUH 2YHUORDG SURWHFWLRQ WHUPLQDO RI FRPSUHVVRU 29 203 7HUPLQDO RI ZD YDOYH 3URWHFWLYH WXEH 8 7HUPLQDO RI WHPS VHQVRU 1 OHFWULF KHDWHU EDQG RI FKDVVLV 7 7HUPLQDO RI J...

Page 17: ...ton 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 1 ON OFF Button Press this button can turn on or tur...

Page 18: ...er 16 30 61 86 F Fan speed auto low speed medium speed high speed 3 or Button Press or button once increase or decrease set temperature 1 1 2 F Holding or button 2s later set temperature on remote con...

Page 19: ...duct During x fan operation press X FAN button to turn off x fan function Indoor fan will stop operation immediately 9 TEMP Button By pressing this button you can see indoor set temperature indoor amb...

Page 20: ...display please replace batteries Signal sender Battery Cover of battery box Remove Reinstall 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner 2...

Page 21: ...GHWHFWHG IRU GXUDWLYH PLQXWHV WKH FRPSUHVVRU ZLOO VWRS DQG DIWHU VHFRQGV WKH RXWGRRU IDQ ZLOO VWRS DQG XQGHU FRROLQJ PRGH WKH LQGRRU IDQ DQG WKH VZLQJ PRWRU ZLOO UHPDLQ DW WKH RULJLQDO VWDWH I 7HYDS...

Page 22: ...G DIWHU RQH PLQXWH WKH LQGRRU IDQ ZLOO EHFRQYHUWHG WR SUHVHW VSHHG LWKLQ PLQXWH ORZ VSHHG RSHUDWLRQ LI 7WXEH WKH LQGRRU IDQ ZLOO EH FRQYHUWHG WR SUHVHW VSHHG 1RWH 7LQGRRU DPE LQGLFDWHG LQ DQG UHIHUV W...

Page 23: ...O VWRS KHQ WKH FRPSUHVVRU UHPDLQV DW VWRS IRU DW OHDVW PLQXWHV WKHFRPSUHVVRU ZLOO UHVXPH LWV RSHUDWLRQ I PRGXOH SURWHFWLRQ RFFXUV VL WLPHV LQ VXFFHVVLRQ WKH FRPSUHVVRU ZLOO QRW EH VWDUWHGDJDLQ 2YHUORD...

Page 24: ...H 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 D...

Page 25: ...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...

Page 26: ...inch At least 5 8 9 inch 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 obstruction Spa...

Page 27: ...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 28: ...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 7KH...

Page 29: ...WKH ZDOO PRXQWHG IUDPH V VKRZ 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...

Page 30: ...VFUHZ RQ WKH ZLULQJ FRYHU DQG WKHQ WDNH GRZQ WKH FRYHU V VKRZ LQ LJ LQG XS 3LSH LQG XS WKH FRQQHFWLRQ SLSH SRZHU FRUG DQG GUDLQ KRVH ZLWK WKH EDQG V VKRZ LQ LJ 5HVHUYH D FHUWDLQ OHQJWK RI GUDLQ KRVH...

Page 31: ...SDQVLRQ VFUHZV RQQHFW 2XWGRRU OHFWULF LUH 5HPRYH WKH ZLUH FOLS FRQQHFW WKH SRZHU FRQQHFWLRQ ZLUH DQG SRZHU FRUG WR WKH ZLULQJ WHUPLQDO WKHP ZLWK VFUHZV V VKRZ LQ LJ 1HDWHQ WKH SLSHV 7KH SLSHV VKRXOG...

Page 32: ...DFXXP 3XPS 5HPRYH WKH YDOYH FDSV RQ WKH OLTXLG YDOYH DQG JDV YDOYH DQG WKH QXW RI UHIULJHUDQW FKDUJLQJ YHQW RQQHFW WKH FKDUJLQJ KRVH RI SLH RPHWHU WR WKH UHIULJHUDQW FKDUJLQJ YHQW RI JDV YDOYH DQG WKH...

Page 33: ...rotection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During he...

Page 34: ...Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During he...

Page 35: ...ring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor...

Page 36: ...tion analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate Durin...

Page 37: ...ontrol end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operatio...

Page 38: ...is unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating o...

Page 39: ...has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 54...

Page 40: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO...

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Page 42: ...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 malfunc...

Page 43: ...unction 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...

Page 44: ...umper 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...

Page 45: ...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 defin...

Page 46: ...t with 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 do...

Page 47: ...too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Othe...

Page 48: ...d Fault diagnosis process End Y Y N Y N N Y N Overheat and high temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipati...

Page 49: ...or compressor stopping enough Fault diagnosis process 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 wir...

Page 50: ...the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace...

Page 51: ...rocess 20 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 c...

Page 52: ...N N Y Y Start Check wiring of the reactor L of the outdoor unit and the PFC capacitor Whether there is any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the f...

Page 53: ...ment operate 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 th...

Page 54: ...main board AP1 of the outdoor unit If the fault is eliminated Is the connection right Check the wiring of the indoor and outdoor units with reference to the wiring diagram Correctly connect the corre...

Page 55: ...ing louver is fully open Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units Check if the indoor outdoor filters or radiating fins are dirty or blocked Clean t...

Page 56: ...nd 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...

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Page 62: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 2XWGRRU 8QLW 2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 4 5 3 1...

Page 63: ...KHDWHU 0DJQHW RLO ZD 9DOYH VV 5LJKW 6LGH 3ODWH 3 3 9DOYH 6XSSRUW 6XE VV 3 3 XW RII 9DOYH 9DOYH FRYHU 5HWDLQLQJ SODWH 3 3 DQGOH DVV LULQJ FODPS OHFWURQLF H SDQVLRQ YDOYH 6XE VV 7HPSHUDWXUH 6HQVRU 5HDU...

Page 64: ...PLQLPXP RI PLQXWHV DIWHU WXUQLQJ RII DOO SRZHU VXSSOLHV DQG GLVFKDUJH WKH UHIULJHUDQW FRPSOHWHO EHIRUH UHPRYDO Steps Procedure 1 Before disassembly of the unit 2 Remove filter panel clasps filter Axo...

Page 65: ...ove panel 5 Remove horizontal louver display clasp panel horizontal louver Remove 2 screws fixing display and then remove the filter Pull the clasps at both sides slightly and then remove the panel Re...

Page 66: ...box 7 Remove front case screw top cover of electric box screw cap screw front case Procedure Steps Remove screws fixing the top cover of electric box Remove the top cover of electric box Remove the sc...

Page 67: ...8 Remove earthing wire 9 Remove electric box cover screw clasp clasp electric box cover Remove earthing screws and then remove the earthing wire Loosen clasps at the left side of electric box Loosen c...

Page 68: ...a b c Procedure Steps 10 Remove temperature sensor 11 Remove electric box temperature sensor screw electric box Pull out the indoor temperature sensor Pull out 6 sockets on PCB board Pull out two scr...

Page 69: ...tray connection position for indoor and outdoor units connection pipe pipe stopping plate screw screw damping board Pull the water tray upwards and then remove the water tray Separate the connection p...

Page 70: ...of motor screw evaporator screw Remove screws between evaporator and bottom case Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line Lift up the evaporator...

Page 71: ...LRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO a Procedure Steps b c 18 Remove cross flow blade and motor blade motor Remove screws fixing cross flow blade and motor Remove the motor sub assy Separate two cross f...

Page 72: ...QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO a b Procedure Steps 19 Remove cushion rubber cushion rubber Remove the cushion rubber on cross flow blade Remove the cushion rubber from the base...

Page 73: ...ront side panel front side panel Loosen the screws connecting the front side panel and chassis Remove the front side panel Procedure valve cover Remove the screw connecting the big handle and right si...

Page 74: ...he panel Twist off the screws connecting the grille and panel and then remove the grille 5 Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis val...

Page 75: ...iers pull out the wiring terminal pull it upwards to remove the electric box electric box fireproofing Twist off the screws on electric box fireproofing with screwdriver and then remove the electric b...

Page 76: ...motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet 11 Remove 4 way valve 10 Remove isolation sheet isolation sheet...

Page 77: ...joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe o...

Page 78: ...eft side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate Pull it upwards to separate the chassis and condense...

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