Forced Cooling Operation; Setting Procedure - LG MULTI F A2UW16GFA0 Engineering Product Data Book

3. Installation of outdoor unit
21(1Ø) kBtu/h
DIP-SW
30(1Ø) kBtu/h
SW01N
40(1Ø) kBtu/h

3.9.2 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 normal-
ly after finishing the operation.
Heat pump _ 54
60Hz/R410A