Daikin VRV III REYQ8PY1 Service Manual page 171

Test Operation
Note:
The refrigerant will be charged about 30kg in one hour at outdoor temp. 30°C DB (12kg at
0°CDB).
If you need to speedup in case of multi system, connect the refrigerant tanks to each outdoor
unit as shown in the next figure.
REYQ8~16PY1
REYQ18~48PY1
160
Measuring device
R-410A tank (with siphon)
: Field pipings
: Refrigerant flow when charging
Equalizer pipe shutoff valve
HP/LP gas pipe shutoff valve
Charge hose
Measuring device
R-410A tank (with siphon)
: Field pipings
: Refrigerant flow when charging
Charge hose
Valve C
: Shutoff valve
( : Service port )
The refrigerant will be charged about 30kg in one hour at
outdoor temp. 30˚CDB (12kg at 0˚CDB). (According to
outdoor temp. or the refrigerant amount in the tank, the
charging rate may speed up). If you need to speed up in
Suction pipe
Outdoor
shutoff valve
unit A
Liquid pipe
shutoff valve
Refrigerant
charge port
Valve A
Valve B
Valve C
To BS,
indoor unit
: Shutoff valve
( : Service port )
Outdoor
Refrigerant charge port
HP/LP gas pipe shutoff valve
Suction gas shutoff valve
Liquid pipe shutoff valve
Valve B
Valve A
To BS, indoor unit
case of multi system, connect
the refrigerant tanksto each
Outdoor Outdoor
unit B unit C
outdoor unit.
Valve A
Si37-701
unit
Test Operation