Daikin R410As Service Manual page 148

Si39-302
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 & SUCTION and
Oil equalizing Stop valve closed.
STEP 1
Additional
Turn off the power.
charge
without
Compressor
operation
Charge through Service port of
LIQ. Stop valve.
Is all refrigerant charged?
Open Gas Stop valve.
(Liquid side stop valve : close
STEP 2
Oil equalizing valve : open
in case of multi outdoor
connection system.)
Additional
charge
with
Start additional refrigerant
charge mode.
Compressor
(Setting Mode 2 : Refer
operation
operation procedure detail on
next page.)
Is all refrigerant charged?
YES
Open LIQ & SUCTION Stop
valve.
Disconnect charge hose.
YES
Open LIQUID Stop valve.
NO
STOP refrigerant charge model
END of charge method.
(V2892)
Field Setting
137