Daikin VRV IV+, Installer And User Reference Manual

Page: 94 / 168

7 | Configuration
Installer and user reference guide
94
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1A – 2019.10
[2‑14] Additional amount charged (kg)
19 Setting cannot be used. Total refrigerant charge has to
be <100 kg.
20
21
▪ For details concerning the charging procedure, see "6.7.2 About charging
refrigerant" [
4
64].
▪ For details concerning the calculation of additional refrigerant charge amount,
see
"6.7.3 To determine the additional refrigerant amount" [ 4 64].
▪ For guidance concerning the input of the additional refrigerant charge amount
and leak detection function see
"7.4 Using the leak detection function" [
4
105].
[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.
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
"6.7.2 About charging refrigerant" [ 4 64].
[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.