3. Installation of outdoor unit
65 _
Heat pump
50Hz/R410A
Part 3 Design and installation
14/16/18/21(1Ø) kBtu/h 40/48/56(1Ø) kBtu/h
42/48/56(3Ø) kBtu/h
24/27/30(1Ø) kBtu/h
3.10.2 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.
• 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.
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