Way(1) - LG Multi V ARNU Series Service Manual

Operation Detail
n 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°C(96°F)
33°C(92°F)
25°C(76°F)
20°C(68°F)
Room
Temperature
Thermal Off
Thermal On
Thermal
Outdoor fan
Indoor fan
4 Way
Indoor Unit mode
2TH
(Remo.+Indoor)
Remo. mode
n Hot-start Control
• The indoor fan does no rotate until the evaporator piping temperature will be reached to 25°C(76°F).
• The operation diagram is as following.
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Only for training and service purposes
ON
ON
Setting
Stop Low Low fan
speed
Thermal ON
ST+2
To be selected lower temperature
contrast Indoor Unit and Remo.
ST+0
Pipe
temperature
35°C(94°F)
30°C(86°F)
27°C(80°F)
25°C(76°F)
22°C(72°F)
LO
LOW
Indoor fan
OFF LOW
speed
COMP
Minimum
3min
OFF
OFF
Setting
Low fan Low Stop
speed
ON
To be selected lower temperature
contrast Indoor Unit and Remo.
SELECTED
LOLOW
LOW
FAN
ON
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ON
ON
Setting
Stop Low fan
speed
Thermal OFF
ST+4
ST+2
LGE Internal Use Only