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Service Manual 

VFH-B Series

Inverter Multi Zone Ductless Mini-Split

A-VFH30QB-1
A-VFH36QB-1 

A-VFH42PB-1

www.marsdelivers.com

Содержание Comfort-aire Century A-VFH30QB-1

Страница 1: ...Service Manual VFH B Series Inverter Multi Zone Ductless Mini Split A VFH30QB 1 A VFH36QB 1 A VFH42PB 1 www marsdelivers com...

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Страница 3: ...d Control 17 Part Installation and Maintenance 19 7 Safety Precautions 19 8 Installation Manual 21 3UHSDUDWLRQ EHIRUH QVWDOODWLRQ 22 QVWDOODWLRQ QVWUXFWLRQ 24 9 Troubleshooting 29 0DOIXQFWLRQ QGLFDWRU...

Страница 4: ...Service Manual VFH B 30 36 42 Series 4 1 Summary Part Technical Information Outdoor Unit 9 4 9 4 9 4...

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Страница 9: ...LW 6400 6380 7950 8550 10650 11080 7RWDO SRZHU LQSXW 3150 2500 3130 3200 3400 2930 6HQVLWLYH FDSDFLW 7RWDO FDSDFLW 100 100 100 100 100 100 RROLQJ HDWOLQJ 2 2 Cooling Capacity Tables 5220 02 211 7 9 1...

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Страница 12: ...l VFH B 30 36 42 Series 12 A VFH36QB 1 A VFH42PB 1 A VFH30QB 1 8QLW LQFK 40 42 1 2 24 13 16 17 21 64 14 1 4 14 51 64 43 27 64 38 27 64 36 7 32 17 21 64 14 37 64 31 24 1523 32 8QLW LQFK 3 Outline Dimen...

Страница 13: ...go to the heat exchanger of the outdoor unit to exchange heat with the outdoor air and then is turned into refrigerant liquid After passing through the throttling device the temperature and pressure o...

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Страница 17: ...RU XQLWV VDWLVI WKH VWRS FRQGLWLRQ WKH FRPSUHVVRU VWRSV DQG WKH RXWGRRU IDQ VWRSV DIWHU PLQ F I RQO SDUW RI WKH LQGRRU XQLWV VDWLVI WKH VWRS FRQGLWLRQ WKH FRPSUHVVRU GHFUHDVH WKH IUHTXHQF LPPHGLDWHO D...

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Страница 20: ...ape 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 Torqu...

Страница 21: ...he 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 installation Note this...

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Страница 23: ...ss of pipe 0 5 1 0 mm bearing pressure 3 0MPa The longer the connection pipe is the more cooling and heating capacity will decrease 19 2 3 39 3 8 78 3 4 19 2 3 19 2 3 19 2 3 78 3 4 unit inch M odel Co...

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Страница 25: ...WKH MRLQWV with insulation provided WKHQ WLJKWHQ WKHP ZLWK WKH SODVWLF WDSH CAUTION During the connection of the indoor unit and the refrigerant pipe never pull any joints of the indoor unit by force...

Страница 26: ...A VFH36QB 1 A VFH36QB 1 131 2ft 131 2ft Allowable Value Fitting pipe Total length actual length of fitting pipe all indoor units length of farthest fitting pipe ft A VFH30QB 1 A VFH36QB 1 A VFH42QB 1...

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Страница 31: ...y N N N Connected correctly Reconnect according to the wiring diagram Y N Y De energize change the communication wire of the well communicated indoor unit and malfunction indoor unit then energize the...

Страница 32: ...rectly Connected correctly Reconnect according to the wiring diagram Connected correctly Reconnect according to the wiring diagram De energize check if the connection wire between the outdoor mainboar...

Страница 33: ...e outdoor unit mainboard Replace pressure switch Check if operation mode of indoor unit is properly set N N Y Y Y Y Check if gas valve and liquid valve are completely open Refer to Instruction Manual...

Страница 34: ...vant discharge temperature sensor Discharge temperature protection Malfunction display E5 Compressor Overheat N Y Y Y Y Y N N N Check if compressor s connection line is properly connected Adjust compr...

Страница 35: ...ck if the plug of the temperature sensor is correctly connected with socket on the mainboard N Removethe sensor to check if the resistance value is ok N Y Y Y Check the direction of the plug and socke...

Страница 36: ...nce value is ok Replace mainboard of the indoor uint Replace temperature sensor Check the direction of the plug and socket Malfunction display F5 Failure of Exhaust Temp Sensor N N Y Y Y Failure of Ex...

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