Specifications

Field Setting SiUS39-601
100 Test Operation
3.2.4 Setting of Refrigerant Additional Charging Operation
When additional refrigerant is not charged all with outdoor unit in stop mode, operate the outdoor
unit and charge the liquid refrigerant from the service port of liquid stop value. The additional
charging operation is activated by pushbutton switch on the outdoor unit PC board.
[Additional refrigerant charge total flow]
Confirm LIQ & SUCTION and
Oil equalizing Stop valve closed.
Is all refrigerant charged?
Is all refrigerant charged?
YES
YES
NO
NO
Turn off the power.
Charge through Service port of
LIQ. Stop valve.
Open LIQ & SUCTION Stop
valve.
Open LIQUID Stop valve.
Disconnect charge hose.
END of charge method.
STOP refrigerant charge model
STEP 1
Additional
charge
without
Compressor
operation
Open Gas Stop valve.
(Liquid side stop valve : close)
Start additional refrigerant
charge mode.
(Setting Mode 2 : Refer
operation procedure detail on
next page.)
STEP 2
Additional
charge
with
Compressor
operation
(V2892)