
19
|
Charging refrigerant
Installer and user reference guide
98
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
If
Then
The determined additional refrigerant
amount is
not reached
yet
Disconnect the manifold from the
liquid line.
Continue with the "Charging
refrigerant (in manual additional
refrigerant charge mode)"
instructions.
Charging refrigerant (in manual additional refrigerant charge mode)
The remaining additional refrigerant charge can be charged by operating the
outdoor unit by means of the manual additional refrigerant charge mode.
5
Connect as shown. Make sure valve A is closed.
p< p>
R32
a
c
d
e
b
A
d
e
a
Weighing scales
b
Refrigerant R32 tank (siphon system)
c
Vacuum pump
d
Refrigerant charge port (heat exchanger)
e
Refrigerant charge port (suction)
A
Valve A
NOTICE
The refrigerant charging port is connected to the piping inside the unit. The unit's
internal piping is already factory charged with refrigerant, so be careful when
connecting the charge hose.
6
Open all outdoor unit stop valves. At this point, valve A must remain closed!
7
Take all the precautions mentioned in
116] and
8
Turn on the power of the indoor units and outdoor unit.
9
Activate setting [2‑20] to start the manual additional refrigerant charge mode.
For details, see
"22.2.8 Mode 2: Field settings"
123].
Result:
The unit will start operation.
INFORMATION
The manual refrigerant charge operation will automatically stop within 30 minutes. If
charging is not completed after 30 minutes, perform the additional refrigerant
charging operation again.
INFORMATION
▪
When a malfunction is detected during the procedure (e.g., in case of closed stop
valve), a malfunction code will be displayed. In that case, refer to
codes when charging refrigerant"
99] and solve the malfunction accordingly.
Resetting the malfunction can be done by pushing BS3. You can restart the
"Charging" instructions.
▪
Aborting the manual refrigerant charge is possible by pushing BS3. The unit will
stop and return to idle condition.
Содержание VRV 5-S Series
Страница 161: ......
Страница 162: ......
Страница 163: ......
Страница 164: ...4P600330 1 2020 01 Copyright 2020 Daikin Verantwortung f r Energie und Umwelt...