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Configuration
Installer and user reference guide
110
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12
Setting
Value
(8 HP)
(5 HP)
Description
[2‑12]
Enable the low noise function and/or
power consumption limitation via external
control adaptor (DTA104A61/62).
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 in the indoor unit.
0
(default
)
(= binary 1) (default)
Deactivated.
1
(= binary 2)
Activated.
[2‑15]
Fan static pressure setting (in heat
exchanger unit).
You can set the external static pressure of
the heat exchanger unit according to the
ducting requirements.
0
30 Pa
1
(default
)
(default)
60 Pa
2
90 Pa
3
120 Pa
4
150 Pa
[2‑16]
Test run heat exchanger unit.
When activated, the heat exchanger fans
start running. This allows you to check the
ducting with a running heat exchanger
unit.
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.
0
(default
)
(= binary 1) (default)
Deactivated.
1
(= binary 2)
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.
