Daikin VRV - WII, Service Manual

Page: 142 / 312

SiUS30-604 Field Setting
Test Operation 129
3.2.5 Setting of Refrigerant Additional Charging Operation
When additional refrigerant is not charged all with outside unit in stop mode, operate the outside
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 outside unit PC board.
[Additional refrigerant charge total flow]
Confirm DISCHARGE,
SUCTION and LIQUID Stop
valves closed.
Is all refrigerant charged?
Is all refrigerant charged?
YES
YES
NO
Turn off the power.
Charge through Service port of
LIQ. Stop valve.
Open DISCHARGE GAS,
LIQUID, SUCTION GAS
Stop
valve.
Open LIQUID Stop valve.
Disconnect charge hose.
END of charge method.
STOP refrigerant charge model
STEP 1
Additional
charge
without
Compressor
operation
Start additional refrigerant charge mode.
(Setting Mode 2 : Refer operation procedure
detail on next page.)
Open DISCHARGE & SUCTION GAS Stop valve.
LIQUID side stop valve:
1. Fully open the liquid side stop valve.
2. After ten minutes, fully close liquid line stop
valve and then, open the valve by turning
180º.
Note: The stop valve operations are different
from heat pump and heat recovery
connection, refer following page for
detail.
STEP 2
Additional
charge
with
Compressor
operation
(V2892)