LG ARNU Series, Service Manual

Page: 63 / 226

Service Manual 63
Operation Details
■
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
(Compressor ON)
Setting Temperature
+3
°
C
(Compressor OFF)
Indoor unit
Heat-Exchanger
temperature
30
°
C
27
°
C
20
°
C
33
°
C
1min
Minimum
3min
1min
3min
Setting
fan
spped
Setting
fan
spped
Setting
fan
spped
40
°
C
ON
ON
ON
ON
Low Low Low Low Low Off Off Off
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.