Heating Mode Operation; Hot-Start Control - LG LB-D1861HL Service Manual

4. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Intake Air temp.
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(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.

5. Hot-Start Control

• The indoor fan stops until the evaporator piping temperature will be reached to 31°C.
• The operation diagram is as following.
minimum 3min
1min
Selecting
Hot Start Low
Fan Speed
ON
PIPING
TEMPERATURE
31°C
28°C
INDOOR FAN
COMPRESSOR
: Selected Fan
A
minimum
10sec.
Low OFF Low
OFF
1min
ON
: Low Fan : Fan Stop
–20–
B
minimum
10sec.
Selecting fan
Low
speed
ON
A
OFF
OFF