8-4. Freeze Prevention (Cooling and Dry)
●
This function prevents freezing of the indoor heat exchange coil.
●
When the temperature of the indoor heat exchange coil falls below 2°C for 2 minutes, the control circuit stops
the outdoor fan and compressor (The compressor stops after 3 seconds). During this period, Indoor fan
operates in LL. The outdoor fan (then, follows compressor) does not start again until the temperature rises
above 6°C.
Outdoor fan
Compressor
Indoor fan
6
°
c
Indoor heat
exch. coil
temp.
2
°
c
ON
At least
approx. 2 min.
3 sec.
OFF
OFF
ON
ON
ON
Set Speed
Set Speed
LL
2 sec.
37