
SiBE18-821_C
Troubleshooting for RA Indoor Unit
Troubleshooting
353
4.2
Freeze-up Protection Control or Heating Peak-cut
Control
Remote
Controller
Display
A5
Method of
Malfunction
Detection
Freeze-up protection control
During cooling operation, the freeze-up protection control (operation halt) is activated
according to the temperature detected by the indoor heat exchanger thermistor.
Heating peak-cut control
During heating operation, the temperature detected by the indoor heat exchanger thermistor
is used for the heating peak-cut control (operation halt, outdoor fan stop, etc.)
Malfunction
Decision
Conditions
Freeze-up protection control
During cooling operation, the indoor heat exchanger temperature is below 0°C.
Heating peak-cut control
During heating operation, the temperature detected by the indoor heat exchanger thermistor
is above 65°C.
Supposed
Causes
Clogged air filter of the indoor unit
Dust accumulation on the indoor heat exchanger
Short-circuited air
Defective indoor heat exchanger thermistor
Defective indoor unit PCB
Содержание Super Multi Plus E-Series BPMKS967B2B
Страница 1: ...Service Manual E Series SiBE18 821_C Applied Models Super Multi Plus Heat Pump...
Страница 13: ...SiBE18 821_C List of Functions 1 Part 1 List of Functions 1 Functions 2...
Страница 264: ...SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series SiBE18 821_C 252 Operation Manual 2 Start 5s 5s 5s 5s 5s End...
Страница 471: ...SiBE18 821_C BP Unit Removal Procedure 459 Step Procedure Points Clamps Q0529...
Страница 491: ...Revision History Date News No Contents 2010 11 9 M 10013 Correction of troubleshooting flowchart AF for SkyAir models...