LG LS-K1860YL - Defrosting Control

18 . Defrosting control
• While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing,
reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit.
• Defrosting control is available 50 minutes later since heating cycle started and the pipe temperature of out-
door unit reaches below -6°C.
-26-
50 min
Setting frequency
Setting speed
Setting
speed
OFF OFF
ON
OFF
OFF(Cooling cycle)
Setting
frequency
30 sec
Fc-1 step
Operating
frequency
of compressor
4 Way valve
Outdoor fan
Indoor fan
Defrost LED
Fc-1
Fh+1
OFF
ON ON(Heating cycle)
ON ON
Low
(FhMAX-2 or
FhMAX-3)
30 sec 30 sec
8 min or
over 25˚C(120sec)
30 sec 1 min