LG R410A Service Manual page 73

I Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Indoor unit
40°C
Heat-Exchanger
temperature
33°C
30°C
27°C
20°C
Intake Air Temperature
Setting Temperature
+3°C
(Compressor OFF)
Setting Temperature
(Compressor ON)
COMP
Outdoor fan
Indoor fan
4way valve
• Compressor-off interval : -
1min
ON
ON
Setting
fan
Off Low Low
spped
While the indoor Heat-Exchanger temperature is higher than 40°C, fan operates
A
at low speed, when it becomes lower than 40°C fan stops.
- For eluminating latent heat-loss, fan operates at low speed for 10 seconds periodically.
B
A
3min
Minimum
3min
OFF
OFF
Setting
fan
Low Low Off
spped
ON
Operation Details
Low fan during 10sec
B
1min
ON
ON
Setting
fan
Off Low
spped
Service Manual 73