9.4.2.15 The cooling operation or heating operation does not operate.
Supposed causes
●
4-way valve faulty
Check of 4-way, please refer to part 5 in
9.5 Trouble Criterion Of Main Parts.
9.4.2.16 When cooling, heat exchanger of non-operating indoor unit frosts.
When heating, non-operating indoor unit get warm.
Supposed causes
●
EXV faulty
●
Wire and tubing connected in reverse.
Check of EXV, please refer to part 6 in
9.5 Trouble Criterion Of Main Parts.
Содержание M2OC-18HFN1-M
Страница 19: ...8 Wiring Diagrams 8 1 Wiring diagram of 1 drive 2 outdoor M2OC 18HFN1 M M2OD 18HFN1 M...
Страница 20: ...PCB board of M2OC 18HFN1 M M2OD 18HFN1 M...
Страница 21: ...IPM board of M2OC 18HFN1 M...
Страница 22: ...IPM board of M2OD 18HFN1 M...
Страница 23: ...8 2 Wiring diagram of 1 drive 3 outdoor M3OD 27HRDN1 M M3OC 30HRFN1 M...
Страница 24: ...PCB board of M3OC 30HRFN1 M...
Страница 25: ...IPM board of M3OC 30HRFN1 M...
Страница 26: ...PCB board of M3OD 27HRDN1 M...
Страница 27: ...IPM board of M3OD 27HRDN1 M...
Страница 28: ...8 3 Wiring diagram of 1 drive 4 outdoor M4OC 36HRFN1 M...
Страница 29: ...PCB board of M4OC 36HRFN1 M...
Страница 30: ...IPM board of M4OC 36HRFN1 M...
Страница 31: ...PFC board of M4OC 36HRFN1 M...
Страница 66: ...IPM for dual tri zone IPM for qua zone P N for dual tri zone...
Страница 67: ...P N for qua zone...
Страница 68: ...bridge rectifier for dual tri zone bridge rectifier for qua zone...
Страница 69: ...Remark Measure the DC voltage between and port The normal value should be 190V 250V...
Страница 71: ...Two ports of the inductance Inductance...
Страница 72: ......
Страница 77: ......
Страница 79: ......
Страница 81: ......
Страница 83: ......
Страница 96: ...6 EXV check Disconnect the connectors...
Страница 97: ...Resistance to EXV coil Color of lead wire Normal Value Red Blue About 50 Red Yellow Brown Orange Brown White...
Страница 98: ...Red Blue Red Yellow...
Страница 99: ...Brown Orange Brown White...
Страница 114: ...Screws of front panel Screws of right rear panel Screws of top cover...
Страница 122: ...Screws of big handle Screws of right rear panel Screws of water collector Screws of terminal board...
Страница 128: ......