Vaillant sensoCOMFORT VRC 720/2 Manual De Uso E Instalación página 18

Idiomas disponibles

Idiomas disponibles

3
-- Electrical installation, set-up
Only qualified electricians may carry out the electrical install-
ation.
The heating installation must be decommissioned before
work is carried out on it.
3.1
Selecting the lines
Do not use flexible ducts for power supply cables.
Do not use sheathed cables for power supply cables.
Line cross-section
eBUS line (fine-wire, flexible,
made of copper)
eBUS line (single-wire, made
of copper)
Sensor cable (fine-wire, flex-
ible, made of copper)
Sensor cable (single-wire,
made of copper)
Line length
Sensor lines
Bus lines
3.2
Connecting a system control to the
ventilation unit
1.
Connect the system control to the ventilation unit as de-
scribed in the installation instructions for the ventilation
unit.
Condition: Ventilation unit connected to the eBUS without VR 32, Ventila-
tion unit without eBUS heat generator
Connect the eBUS line to the eBUS terminals in the sys-
tem control's wall base.
Connect the eBUS line to the eBUS terminals on the
ventilation unit.
Condition: Ventilation unit connected to the eBUS with VR 32, Ventilation
unit with up to two eBUS heat generators
Connect the eBUS line to the eBUS terminals in the sys-
tem control's wall base.
Connect the eBUS line to the eBUS of the heat gener-
ator.
Set the address switch for the VR 32 in the ventilation
unit to position 3.
Condition: Ventilation unit connected to the eBUS with VR 32, Ventilation
unit with more than two eBUS heat generators
Connect the eBUS line to the eBUS terminals in the sys-
tem control's wall base.
Connect the eBUS line to the common eBUS on the heat
generator.
Determine the highest possible position on the address
switches of the VR 32 for the connected heat generator.
Set the address switch of the VR 32 in the ventilation unit
to the second highest position.
18
0.75 ... 1.5 mm²
1.0 ... 1.5 mm²
0.75 ... 1.5 mm²
1.0 ... 1.5 mm²
≤ 50 m
≤ 125 m
Operating and installation instructions sensoCOMFORT 0020287900_01
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