LG Universal System Air Conditioner - Page 133

Service Manual 133
Ceiling Duct Type
■ Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
COMP
Outdoor fan
Indoor fan
4way valve
Setting Temperature
(Thermo ON)
Setting Temperature
+3°C
(Thermo OFF)
Indoor unit
Heat-Exchanger
temperature
1min
Minimum
3min
1min
3min
Setting
fan
spped
Setting
fan
spped
Setting
fan
spped
ON
ON
ON
ON
Low
LowLowLow
Low
Lo
OffOffOff
ON
OFF
OFF
Low fan during 10sec
A
A
B
B
Intake Air Temperature
• Compressor-off interval : - While the indoor Heat-Exchanger temperature is higher than 40°C, fan operates
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.
40°C
33°C
30°C
27°C
20°C