LG R410A Service Manual page 25

I 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
• A point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed,
when it becomes lower than 35˚C fan stops.
• B point; When the indoor Heat-Exchanger temperature is higher than 30°C, fan operates at selected fan
speed, when it becomes lower than 30°C, the fan operates at low speed for 10sec, after 10sec, it
operates at selected fan speed.
I 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.
minimum 3min
1min
Selected
Hot Start Low
Speed
Pipe
temperature
35 °C
30 °C
27 °C
25 °C
22 °C
LO
LOW
Indoor fan
OFF LOW
speed
COMP
A
minimum minimum
10sec.
1min.
Low OFF Low
SELECTED
LOW
FAN
ON
Operation Detail
B
minimum
10sec.
Selected
Low
speed
LOLOW
Service Manual 25
A
OFF