Samsung AR18KSWSJWKNCV - Pump Down Procedure; Relocation of the Air Conditioner

12-8 Samsung Electronics
12-6-2 "Pump down" Procedure
Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area.
Relocation of the air conditioner
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entering.
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At this time, cover the valve of the outdoor unit and the other pipe using a cap or vin
yl plug to avoid foreign
material entering.
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4) Turn the 3 way valve clockwise to close.
1) Remove the caps from the 3 way valve and the
3 way valve.
2) Turn the 3 way valve clockwise to close and
connect a pressure gauge (low pressure side)
to the service valve, and open the 3 way valve
again.
3) Set the unit to cool operation mode.
(Check if the compressor is operating.)
5) When the pressure gauge indicates "0" turn the
3 way valve clockwise to close.
6)Stop operation of the air conditioner.
7)Close the cap of each valve.
3 way Valve
2 way Valve