288
Trouble Shooting Guide
No
No
Yes
Is there
temperature
difference between front end
and rear end of subcooling
LEV in cooling
operation?
Is there
significant temperature
difference between front end
and rear end of subcooling
LEV in heating
operation?
Start of check.
Reconnect the terminal.
Excessive Cold LEV.
No failure of subcooling LEV.
Yes
Is connection of the
PCB terminal normal?
Replace the PCB.
Is signal applied normally
from the PCB?
Check LEV coils and replace
the subcooling LEV.
Yes
No
No
Yes
Reconnect the terminal.
Yes
Is connection of the
PCB terminal normal?
Replace the PCB.
Is signal applied normally
from the PCB?
Check LEV coils and replace
the subcooling LEV.
No
Yes
No
Self-diagnosis function
Содержание multi V PLUS
Страница 21: ...Service Manual 21 Indoor Unit Indoor Units ...
Страница 74: ...74 Indoor Unit ...
Страница 86: ...86 Indoor Unit ...
Страница 142: ...142 Indoor Unit ...
Страница 160: ...160 Indoor Unit ...
Страница 179: ...Service Manual 179 Outdoor unit ...
Страница 232: ...232 Outdoor Unit Wiring Diagrams 5 Wiring Diagrams 5 1 50Hz 380V Main Outdoor Unit 5HP 6HP 8HP ...
Страница 235: ...Service Manual 235 Wiring Diagrams 380V AC 60Hz 3Ø 5 4 60Hz 380V Main Outdoor Unit 5HP 6HP 8HP ...
Страница 239: ...Service Manual 239 Wiring Diagrams 5 8 60Hz 220V Main Outdoor Unit 8HP 10HP 12HP ...
Страница 245: ...Service Manual 245 Trouble shooting guide ...
Страница 296: ...296 Trouble Shooting Guide ...
Страница 297: ...Service Manual 297 Appendix ...
Страница 303: ...Service Manual 303 Exploded View Replacement Parts List ...