LG ATNH126ELFC Service Manual page 133

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
(Thermo OFF)
Setting Temperature
(Thermo ON)
COMP
Outdoor fan
Indoor fan
4way valve
• Compressor-off interval : -
1min
ON
ON
Setting
Lo
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
Function
Low fan during 10sec
B
1min
ON
ON
Setting
fan
Off Low
spped
Service Manual 133