Daikin VRV 5 RXYA8A7Y1B Installer And User Manual page 151

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
[2‑20]
Manual additional refrigerant charge/SV/indoor unit connection check
[2‑20]
0 (default)
1
2
[2‑21]
Refrigerant recovery/vacuuming mode.
In order to achieve a free pathway to reclaim refrigerant out of the system or to
remove residual substances or to vacuum the system it is necessary to apply a
setting which will open required valves in the refrigerant circuit so the reclaim of
refrigerant or vacuuming process can be done properly.
[2‑21]
0 (default)
1
[2‑22]
Automatic low noise setting and level during night time.
By changing this setting, you activate the automatic low noise operation function
of the unit and define the level of operation. Depending on the chosen level, the
noise level will be lowered. The start and stop moments for this function are
defined under setting [2‑26] and [2‑27] (see descriptions below).
[2‑22]
0 (default)
1
2
3
4
5
[2‑25]
Low noise operation level via the external control adaptor.
Description
Manual additional refrigerant charge deactivated.
Manual additional refrigerant charge activated.
To stop the manual additional refrigerant charge
operation (when the required additional refrigerant
amount is charged), push BS3. If this function was not
aborted by pushing BS3, the unit will stop its operation
after 30 minutes. If 30 minutes was not sufficient to add
the needed refrigerant amount, the function can be
reactivated by changing the field setting again.
Perform a SV/indoor unit connection check.
Perform a SV units and indoor units connection check
where for each indoor unit is checked if the piping and
communication wiring are connected to the same
branch pipe port.
Description
Deactivated.
Activated.
To stop the refrigerant recovery/vacuuming mode, push
BS3. If BS3 is not pushed, the system will remain in
refrigerant recovery/vacuuming mode.
Description
Deactivated
Level 1 Level 5<Level 4<Level 3<Level
2<Level 1
Level 2
Level 3
Level 4
Level 5
21 Configuration
|
Installer and user reference guide
151