LG ARUV Series Service Manual page 121

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
Heat-Exchanger
temperature
Intake Air Temperature
Setting Temperature
(Thermal OFF)
Setting Temperature
(Thermal ON)
Thermal
Outdoor fan
Indoor fan
4way valve
• Compressor-off interval : -
Chassis
Hotstart On T
On
Hotstart Off T
Off
Low temperature T
LT
Setting Temperature T
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Only for training and service purposes
40°C
T
ST
T
LT
T
Off
T
On
+3°C
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
- C To be operated "Low" except initial Hotstart operation
High Static
BH BG
19°C 19°C
22°C 22°C
25°C 25°C
27°C 27°C
ST
3min
Minimum
Setting
fan
Low Low
spped
ON
Low Static
BR B1 B2 CE
19°C 19°C 19°C 19°C 19°C
22°C 22°C 22°C 22°C 22°C
25°C 25°C 25°C 25°C 25°C
27°C 27°C 27°C 27°C 27°C
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Operation Details
A
B Low fan during 10sec
1min
3min
OFF ON
OFF ON
C
Setting
fan
Off Off Low
spped
Convertible
CF VE
26°C
27°C
28°C
30°C
LGE Internal Use Only
VJ
26°C
27°C
28°C
30°C