Gree Vireo B 12 MBH Service Manual Download

Page: 53 / 98

Installation and Maintenance

Service Manual

4. Communication malfunction E6

Start

Cut off power supply. Check if
connection line of IDU and ODU
and the wire inside electric box
are correctly connected.

Correct connection?

Main board matches

with display board? Main board of

IDU matches with that of ODU?

Communication cord is damaged?

Replace IDU's
main board

Malfunction eliminated?

End

Connect the line
according to
wiring diagram.

Match correctly
according to product
specification

Replace
communication
cord

Replace ODU's
main board.

Malfunction eliminated?

yes

Summary of Contents for Vireo B 12 MBH

Page 1: ...C12QC A3DNB2D GWC12QC A3DNB4D I LC GWH12QC A3DNB2D GWH12QC A3DNB4D I LCLH GWC09QC D3DNA1D GWH09QC D3DNA1D GWC09QC D3DNB2D LC GWH09QC D3DNB2D LCLH GWH09QC D3DNB4D LCLH GWC12QC D3DNB2D LC GWC12QC D3DNB4...

Page 2: ...l Part 17 5 1 Wiring Diagram 17 5 2 PCB Printed Diagram 21 6 Function and Control 24 5HPRWH RQWUROOHU QWURGXFWLRQ 24 ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 28 Part Installation and Maintenance 37 7 Not...

Page 3: ...nd Parts List 62 10 1 Indoor Unit 62 2XWGRRU 8QLW 75 11 Removal Procedure 81 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 81 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW 86 Appendix 90 SSHQGL 5HIHUHQFH 6KHHW RI HOVLXV DQG DK...

Page 4: ...GWH09QC A3DNB2D I LCLH GWC12QC A3DNB2D I GWH12QC A3DNB2D I GWC09QC D3DNB2D I LC GWH09QC D3DNB2D I LCLH GWC12QC D3DNB2D I LC GWH12QC D3DNB2D I LCLH GWC09QC A3DNB4D I LC GWH09QC A3DNB4D I LCLH GWC12QC A...

Page 5: ...23 00 23 00 63 10 50 Application Area yd2 14 35 21 53 14 35 21 53 Indoor Unit 0RGHO RI LQGRRU XQLW 1 GWC09QC A3DNA1D I LC 2 GWC09QC A3DNB2D I LC 3 GWC09QC A3DNB4D I LC VIR09HP115V1BH QGRRU 8QLW 3URGX...

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Page 9: ...00 63 10 50 Application Area yd2 14 35 21 53 14 35 21 53 Indoor Unit 0RGHO RI LQGRRU XQLW GWC09QC D3DNA1D I LC GWC09QC D3DNB2D I LC VIR09HP230V1BH GWH09QC D3DNB2D I LCLH GWH09QC D3DNB4D I LCLH QGRRU 8...

Page 10: ...RU 6SHHG rpm 900 900 2XWSXW RI DQ 0RWRU W 30 30 DQ 0RWRU 5 A DQ 0RWRU DSDFLWRU LU ORZ 9ROXPH RI 2XWGRRU 8QLW 0 1059 1059 DQ 7 SH LDO RZ LDO RZ DQ LDPHWHU LQFK HIURVWLQJ 0HWKRG XWRPDWLF HIURVWLQJ Clima...

Page 11: ...22 00 63 10 10 Application Area yd2 19 14 28 70 19 14 28 70 Indoor Unit 0RGHO RI LQGRRU XQLW GWC12QC D3DNA1D I LC GWC12QC D3DNB2D I LC GWC12QC D3DNB4D I LC VIR12HP230V1BH GWH12QC D3DNB2D I LCLH GWH12Q...

Page 12: ...RU 6SHHG rpm 900 900 2XWSXW RI DQ 0RWRU W 30 30 DQ 0RWRU 5 A DQ 0RWRU DSDFLWRU LU ORZ 9ROXPH RI 2XWGRRU 8QLW 0 1177 1177 DQ 7 SH LDO RZ LDO RZ DQ LDPHWHU LQFK HIURVWLQJ 0HWKRG XWRPDWLF HIURVWLQJ Clima...

Page 13: ...9 F 3 h 220V 230V 240V 220V 230V 240V 0 1 0 1 89 91 93 95 97 99 100 102 109 4 5 14 23 32 104 106 108 100 105 95 90 85 80 75 70 65 60 55 50 3 110 100 90 80 70 60 50 40 3 0 0 41 44 6 50 2 DB70 F WB60 F...

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Page 15: ...60 30 40 20 Low Middle High Super High 40 42 44 46 48 50 52 54 56 20 40 30 50 60 70 80 90 Noise dB A 09 12K Cooling 09 12K Heating VIR09HP230V1BH GWC09QC D3DNA1D I GWC09QC D3DNB2D I LC GWH09QC D3DNB2...

Page 16: ...13 7HFKQLFDO QIRUPDWLRQ Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 8QLW LQFK 33 1 4 8 2 9 11 3 8 4 2 3 7 1 4 21 1 3 2 1 6 2 1 6 1 3 8 1 3 8 5 3 2 7...

Page 17: ...14 7HFKQLFDO QIRUPDWLRQ Service Manual 3 2 Outdoor Unit 21 1 4 11 1 4 30 10 12 3 5 33 2 5 H MODEL H 09K 21 1 4 12K 23 1 3 8QLW LQFK...

Page 18: ...15 7HFKQLFDO QIRUPDWLRQ Service Manual 4 Refrigerant System Diagram INTENTIONALLY BLANK...

Page 19: ...rainer Electron expansion valve Strainer Capillary Accumlator Compressor RQQHFWLRQ SLSH VSHFL FDWLRQ LTXLG SLSH DV SLSH VIR09HP115V1B VIR09HP230V1B VIR12HP115V1B Indoor unit Outdoor unit COOLING HEATI...

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Page 21: ...7 8 20 287 20 0 18 211 725 3 5 02725 287 225 81 7 7 6 1625 63 63 57 3 5220 78 7 03 6 1625 7 03 6 1625 63 2 5 5 9 5 1 57 02725 0 6 1 8 0 75 2 21752 5 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW DQG WHUP...

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Page 24: ...ttom view 1 1HXWUDO ZLUH 2 DC fan 3 Up down swing 3 XWR EXWWRQ 4 HIW ULJKW VZLQJ 5 Interface of wired controller 6 Interface of wired controller 7 Display interface 8 XPSHU LQWHUIDFH 9 Relay 10 Relay...

Page 25: ...r 2 Overload port 7 Live wire 12 Port of DC fan motor 3 Temperature sensor port 8 Port of compressor electric heating belt 13 Port of electronic expansion valve 4 Communication wire port 9 Port of com...

Page 26: ...23 7HFKQLFDO QIRUPDWLRQ Service Manual 2 1 3 4 5 6 8 7 9 10 11 12 13 14 15 Top view Bottom view VIR09HP230V1BO VIR12HP230V1BO...

Page 27: ...RGH Dry mode Cool mode XWR PRGH Operation mode I feel Note IWHU SXWWLQJ WKURXJK WKH SRZHU WKH DLU FRQGLWLRQHU ZLOO JLYH RXW D VRXQG 2SHUDWLRQ LQGLFWRU LV 21 UHG LQGLFDWRU IWHU WKDW RX FDQ RSHUDWH WKH...

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Page 32: ...LW ZLOO EH VWLOO LQ VWDQGE PRGH DIWHU QLVKLQJ UHIULJHUDQW UHF FOLQJ LI WKH XQLW LV LQ 21 VWDWXV EHIRUH UHIULJHUDQW UHF FOLQJ LW ZLOO VWLOO UXQ LQ RULJLQDO RSHUDWLRQ PRGH 11 Ambient temperature displa...

Page 33: ...ns and processes of cooling operation I WKH FRPSUHVVRU LV VKXW GRZQ DQG 7VHWXS 7LQGRRU DPELHQW WHPSHUDWXUH TFRROLQJ LQGRRU DPELHQW WHPSHUDWXUH FRPSHQVDWLRQ VWDUW XS WKH PDFKLQH IRU FRROLQJ WKH FRROLQJ...

Page 34: ...U KHDWLQJ WKH FRPSUHVVRU LV VZLWFKHG RQ 2 Defrosting D HIURVWLQJ VWDUWV WKH FRPSUHVVRU LV VKXW GRZQ DQG UHVWDUWV LW DIWHU VHFRQG GHOD E HIURVWLQJ HQGV WKH FRPSUHVVRU VWRSV WKHQ VWDUWV LW DIWHU VHFRQG...

Page 35: ...LW VKRXOG QRW EH VWDUWHG DQG VKRXOG EH VWRSSHG WR WUHDW DFFRUGLQJ WR WKH RYHUORDG SURWHFWLRQ OHDU WKH WURXEOH DW WKH PRGH RI SRZHU WXUQ RII KHDWLQJ DQG WKH SURWHFWLRQ WLPHV DUH QRW FRXQWHG 2 Frequency...

Page 36: ...XHQF UHGXFLQJ WHPSHUDWXUH DW QRUPDO VSHHG GXULQJ GLVFKDUJLQJ RX VKRXOG OLPLW WKH IUHTXHQF UDLVLQJ RI compressor 3 Reducing frequency at normal speed and stopping machine I 7IUHTXHQF UHGXFLQJ WHPSHUDWX...

Page 37: ...XOG DGMXVW WKH FRPSUHVVRU IUHTXHQF E UHGXFLQJ V WLOO WKH ORZHU OLPLW IWHU LW ZDV UXQQLQJ V DW WKH ORZHU OLPLW LI 7 IUHTXHQF UHGXFLQJ WHPSHUDWXUH DW QRUPDO VSHHG RI PRGXOH 7 0RGXOH RX VKRXOG VWRS WKH P...

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Page 39: ...V ZLOO VWRS RSHUDWLRQ KHQ 7RXWGRRU DPE WKH HOHFWULF KHDWLQJ RI FKDVVLV ZLOO NHHS RULJLQDO VWDWXV OHFWULF HDWLQJ XQFWLRQ RI RPSUHVVRU KHQ 7RXWGRRU DPE FRPSUHVVRU VWRSV RSHUDWLRQ ZKLOH WKH HOHFWULF KHDW...

Page 40: ...the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral w...

Page 41: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 42: ...least 19 2 3 At least 11 4 5 At least 118 At least 78 3 5 6SDFH WR WKH RRU 6SDFH WR WKH REVWUXFWLRQ 6SDFH WR WKH REVWUXFWLRQ 6SDFH WR WKH REVWUXFWLRQ 6SDFH WR WKH FHLOLQJ 6SDFH WR WKH REVWUXFWLRQ 6SDF...

Page 43: ...ang the indoor 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 Fini...

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Page 45: ...ll mounting Frame KRRVH WKH SRVLWLRQ RI SLSLQJ KROH DFFRUGLQJ WR WKH GLUHFWLRQ RI RXWOHW SLSH 7KH SRVLWLRQ RI SLSLQJ KROH VKRXOG EH D OLWWOH ORZHU WKDQ WKH ZDOO PRXQWHG IUDPH V VKRZ LQ LJ 5 Connect th...

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Page 47: ...QHFW WKH SRZHU FRQQHFWLRQ ZLUH DQG SRZHU FRUG WR WKH ZLULQJ WHUPLQDO WKHP ZLWK VFUHZV V VKRZ LQ LJ 6 Neaten the Pipes 7KH SLSHV VKRXOG EH SODFHG DORQJ WKH ZDOO EHQW UHDVRQDEO DQG KLGGHQ SRVVLEO 0LQ VH...

Page 48: ...e Vacuum Pump 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...

Page 49: ...e sensor open or short circuit Outdoor ambient sensor open or short circuit Indoor tube sensor open or short circuit Indoor ambient sensor open or short circuit Indoor unit and outdoor unit doesn t ma...

Page 50: ...controller loosened or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfuncti...

Page 51: ...d 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 motor started up...

Page 52: ...49 Installation and Maintenance Service Manual 3 Malfunction of Protection of Jumper Cap C5...

Page 53: ...board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diag...

Page 54: ...age 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 power an...

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Page 56: ...oltage 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 accordin...

Page 57: ...temperature 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 protectio...

Page 58: ...IRU 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 wir...

Page 59: ...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 Replace...

Page 60: ...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 61: ...damage 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 resista...

Page 62: ...nt 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 the...

Page 63: ...details 0DOIXQFWLRQ RI FRPSUHVVRU Compressor can t operate 5HIHU WR SRLQW RI PDLQWHQDQFH PHWKRG IRU details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Coo...

Page 64: ...DLQ SLSH Replace drain pipe UDSSLQJ LV QRW WLJKW DWHU OHDNLQJ IURP WKH SLSH FRQQHFWLRQ SODFH RI LQGRRU XQLW UDS LW DJDLQ DQG EXQGOH LW WLJKWO 5 Compressor Can t Operate 3RVVLEOH FDXVHV LVFULPLQDWLQJ P...

Page 65: ...62 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit...

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Page 68: ...0 2 DVNHW VXE DVV RI HDULQJ 7651205102 1 11 YDSRUDWRU 6XSSRUW 24212174 1 12 YDSRUDWRU VV 01002000030 1 13 DOO 0RXQWLQJ UDPH 01252484 1 14 URVV ORZ DQ 10352056 1 15 DQ 0RWRU 15012153 1 16 Connecting pi...

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Page 81: ...78 Installation and Maintenance Service Manual Cooling and heating models...

Page 82: ...300101 22243010 1 16 Cable Cross Plate 1 02123013P 02123013P 1 17 Cable Cross Plate 2 02123014P 02123014P 1 18 5LJKW 6LGH 3ODWH 0130306903 0130509901P 1 19 D 9DOYH VV 03123644 03073339 1 20 D 9DOYH 43...

Page 83: ...2300101 22243010 1 16 Cable Cross Plate 1 02123013P 02123013P 1 17 Cable Cross Plate 2 02123014P 02123014P 1 18 5LJKW 6LGH 3ODWH 0130306903 0130509901P 1 19 D 9DOYH VV 03073083 03015200098 1 20 D 9DOY...

Page 84: ...ep motor Procedure Step 5HPRYH OWHU DVVHPEO 5HPRYH KRUL RQWDO ORXYHU URQW SDQHO URQW case 5LJKW OWHU URRYH HIW OWHU 2SHQ WKH IURQW SDQHO 3XVK WKH OHIW OWHU DQG ULJKW OWHU XQWLO WKH DUH VHSDUDWH IURP W...

Page 85: ...H IURQW FDVH VXE DVV LV GLIIHUHQW IRU GLIIHUHQW models RRVHQ WKH FRQQHFWLRQ FODVSV EHWZHHQ YHUWLFDO ORXYHU DQG ERWWRP FDVH WR UHPRYH YHUWLFDO ORXYHU RRVHQ WKH FRQQHFWLRQ FODVSV EHWZHHQ IURQW FDVH VXE...

Page 86: ...XQGLQJ VFUHZ 5HPRYH WKH ZLULQJ WHUPLQDOV RI PRWRU DQG stepping motor 5HPRYH WKH HOHFWULF ER DVV 7ZLVW RII WKH VFUHZV WKDW DUH ORFNLQJ HDFK OHDG ZLUH DQG URWDWH WKH HOHFWULF box assy 7ZLVW RII WKH VFUH...

Page 87: ...RXW WKH terminals 3XOO RXW WKH KROGHU IRU VRPH WHUPLQDOV DW UVW KROGHU LV QRW DYDLODEOH IRU VRPH ZLULQJ WHUPLQDO KROG WKH FRQQHFWRU DQG WKHQ SXOO WKH terminal circlip VRIW VKHDWK KROGHU connector Pro...

Page 88: ...RYH WKH VFUHZV DW WKH FRQQHFWLRQ place of cross flow blade and motor lift WKH PRWRU DQG FURVV IORZ EODGH XSZDUGV WR UHPRYH WKHP 5HPRYH WKH EHDULQJ KROGHU VXE DVV 5HPRYH WKH VFUHZ LQJ VWHS PRWRU DQG WK...

Page 89: ...eparate from the groove Remove the panel Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover Remove connection screws be...

Page 90: ...ow blade Procedure Steps Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side p...

Page 91: ...r Remove the 2 tapping screws re move it Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loos en thewire and disconnect the terminal Lift to re move the electric box ass...

Page 92: ...way Valve Assy with wet cotton and unsolderthe 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrig erant shouldbe discharged firstly Welding processshould be as quickly as possible...

Page 93: ...80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31...

Page 94: ...pipe according to the following steps 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 WKH EXUUV 5HPRYH WKH EXUUV...

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Page 96: ...3 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 83...

Page 97: ...8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224...

Page 98: ...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 Nathan Road TST Kowlo...

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