LG multi V PLUS Service Manual page 68

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.
Intake Air Temperature
Setting Temperature +3°C
(Compressor OFF)
Setting Temperature
(Compressor ON)
INDOOR FAN
COMPRESSOR
• A point; 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.
• B point; When the indoor Heat-Exchanger temperature is higher than 42°C, fan operates at seleted fan
speed, when it becomes lower than 39°C, the fan operates at low speed.
Hot-Start Control
• The indoor fan does not rotate until the evaporator piping temperature reaches 25°C.
• The operation diagram is as following.
68 Indoor Unit
minimum 3min
1min
Selecting
Hot Start Low
Fan Speed
ON
PIPING
TEMPERATURE
25°C
22°C
INDOOR FAN
COMPRESSOR
: Selected Fan
A
minimum
10sec.
Low OFF Low
OFF
1min
ON
: Low Fan : Fan Stop
B
minimum
10sec.
Selecting fan
Low
speed
ON
A
OFF
OFF