Daikin VRV II RXYQ5MATL Service Manual page 158

Si39-504
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]
Test Operation
Confirm LIQ and SUCTION
Stop valve closed.
STEP 1
Refill the R-410A
refrigerant with
Turn off the power.
compressor in
the stopped
state.
Charge through Service port of
LIQ. Stop valve.
Is all refrigerant charged?
Open Gas Stop valve.
(Liquid side stop valve : close
STEP 2
in case of multi outdoor
connection system.)
Additional
charge
with
Start additional refrigerant
Compressor
charge mode.
operation
(Setting Mode 2 : Refer
operation procedure detail on
next page.)
Is all refrigerant charged?
YES
NO
Open LIQ & SUCTION Stop
valve.
Disconnect charge hose.
YES
Open LIQUID Stop valve.
NO
STOP refrigerant charge mode
Field Setting
END of charge method.
(V2892)
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