Installation Manual 49
Function
ENGLISH
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.
!
Forced Cooling Operation
18/24(1Ø) kBtu/h
48/54(1Ø) kBtu/h
30/36(1Ø) kBtu/h
60(1Ø) kBtu/h
18(1Ø) kBtu/h 24(1Ø) kBtu/h
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