LG ARUV Series Service Manual page 34

Operation Detail
Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Indoor pipe
Temperature
36(42)°C
33(39)°C
25°C
22(20)°C
Room
Temperature
Thermal Off
Thermal On
Thermal
Outdoor fan
Indoor fan
4 Way
Indoor Unit mode
2TH
(Remo.+Indoor)
Remo. mode
Hot-start Control
The indoor fan does no rotate until the evaporator piping temperature will be reached to 25°C.
The operation diagram is as following.
temperature
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Only for training and service purposes
ON
ON
Setting
Stop Low Low Low
fan
speed
Thermal ON
ST+2
To be selected lower temperature
contrast Indoor Unit and Remo.
ST+0
Pipe
35 °C
30 °C
27 °C
25 °C
22 °C
LO
LOW
Indoor fan
OFF LOW
speed
COMP
Minimum
3min
OFF
OFF
Setting
Low Stop Stop
fan
speed
ON
To be selected lower temperature
contrast Indoor Unit and Remo.
SELECTED
LOLOW
LOW
FAN
ON
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ON
ON
Setting
Low
fan
speed
Thermal OFF
ST+4
ST+2
LGE Internal Use Only