Daikin REMQ5U7Y1B, Installer And User Reference Manual

Page: 132 / 176

20 | Configuration
Installer and user reference guide
132
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
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.
In order to add the additional refrigerant charge amount in a manual way (without
automatic refrigerant charging functionality), following setting should be applied.
Further instructions regarding the different ways to charge additional refrigerant
into your system can be found in chapter
"About charging refrigerant" [
4
97].
[2‑20] Description
0 (default) Deactivated.
1 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.
[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.
[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].
[2‑22] Description
0 (default) Deactivated