LG ATNH126ELFC Service Manual page 136

Function
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
35°C
Heat-Exchanger
temperature
32°C
29°C
21°C
17°C
Intake Air Temperature
Setting Temperature
+3°C
(Thermo OFF)
Setting Temperature
(Thermo ON)
COMP
Outdoor fan
Indoor fan
4way valve
• Compressor-off interval : -
136 Synchro Air Conditioner
1min
ON
ON
Setting
Lo
fan
Off Low
Low
spped
A While the indoor Heat-Exchanger temperature is higher than 35°C, fan operates
at low speed, when it becomes lower than 35°C fan stops.
B
- For eluminating latent heat-loss, fan operates at low speed for 10 seconds
periodically.
3min
Minimum
3min
OFF
OFF
Setting
fan
Low Low Off
spped
ON
A
Low fan during 10sec
B
1min
ON
ON
Setting
fan
Off Low
spped