21 | Configuration
Installer and user reference guide
136
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
If the system needs to be running under low noise operation or under power
consumption limitation conditions when an external signal is sent to the unit, this
setting should be changed. This setting will only be effective when the optional
external control adaptor (DTA104A61/62) is installed.
[2‑12] Description
0 (default) Deactivated.
1 Activated.
[2‑18]
Fan high static pressure setting.
In order to increase the static pressure the outdoor unit fan is delivering, this
setting should be activated. For details about this setting, see technical
specifications.
[2‑18] Description
0 (default) Deactivated.
1 Activated.
[2‑20]
Manual additional refrigerant charge/SV/indoor unit connection check
[2‑20] Description
0 (default) Manual additional refrigerant charge deactivated.
1 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 30minutes. If 30minutes was not sufficient to add
the needed refrigerant amount, the function can be
reactivated by changing the field setting again.
2 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.
[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] Description
0 (default) Deactivated.
1 Activated.
To stop the refrigerant recovery/vacuuming mode, push
BS3. If BS3 is not pushed, the system will remain in
refrigerant recovery/vacuuming mode.