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■ Defrosting Mode Timing Chart
*1: Refer to "8-6 Cold Draft Prevention".
8-8. Low Temperature Cutff (Heating)
●
This function protect the compressor from being damaged due to flow back of the liquid refrigerant to the com-
pressor when the outdoor temperature is very low.
●
Low ambient operation during heating can cause the outdoor heat exchanger to become super–cooled which
may result in liquid back–flow. To protect the compressor from this condition, both compressor and outdoor fan
stop if the outdoor temperature drops around 5°F. However, the indoor fan continues to operate even after the
compressor has stopped. Note that standby lamp does not lights up during this period.
5¡F
17¡F
Outdoor
air temp.
Compressor
and
Outdoor fan
Indoor fan
Standby lamp
ON
OFF
OFF
ON
ON
ON ON
NOTE
ON
ON
ON ON ON
ON
ONON
Set speed
OFF
OFF
OFF
OFF
32 seconds Max. 11 minutes 32 seconds
Start of defrosting
Release of defrosting
OFF
OFF
Release of
cold draft prevention
Compressor
Outdoor fan
Solenoid coil
(4–way valve)
Indoor fan
Standby lamp
Indoor heat
exch. coil
temp.
ONON
Set speed
* 1
2 seconds 2 seconds
95¡F
77¡F
LL
000-111 SM (18-68) 00.3.17 11:49 AM y[W 53