Forced Cooling Operation - LG UHXM120BA1 Installation Manual

18 (1 Ø) kBtu/h
DIP-SW
24 / 30 (1 Ø) kBtu/h
SW01N
40 / 48 / 56 (1 Ø) kBtu/h

Forced Cooling Operation

Adding the refrigerant in winter.
Setting Procedure
1
Set the DIP Switch as follow after shutting
the power source down.
2
Reset the power.
3
Check that the Red LED of PCB is on
during work.
(The indoor unit is operated by force.)
4
Add the specific amount of refrigerant.
CAUTION
!
- When the green LED of PCB is on,
compressor is going to be off because
of low pressure.
- You should return the DIP Switch to
operate normally after finishing the
operation.
FUNCTION
39