Assembly And Installation; Installing The Product - Vaillant VR 34 Instrucciones De Instalación

3

Assembly and installation

Only qualified electricians may carry out the electrical installa-
tion. Observe the instructions that are supplied with the product
and all applicable directives, standards, laws and other regula-
tions.
> Observe the installation instructions for the heat generator.
3.1 Regulations (directives, laws, standards)
> Observe the national regulations, standards, directives, ordi-
nances and laws.
3.2
Defining the control type
The product can specify either a target output value or a target
flow temperature value. A target flow temperature value is
specified in the as-supplied state (plug X1 plugged in).
> Fig. 1.3 To specify a target output value, remove plug X1
with the cable bridge from slot X1.
The maximum and minimum flow temperature depend on the
setting on the heat generator. We recommend setting the heat
generator's target flow temperature to the maximum.
Installation instructions VR34 0020287799_00
Assembly and installation
3.3
Plugging in the connection cable
> Fig. 1.4 Plug the connection cable into slot X32 on the inter-
face PCB.
3.4
Connecting a third-party control to the
product
> Fig. 1.5 Connect the third-party control to the plug for slot
X14.
– Control signal for third-party control: Terminal I
– Earth line: Terminal
> Observe the polarity of the connections.
> Depending on the type of electronics box, use the grommet
and/or the strain reliefs in the electronics box.
3.5

Installing the product

> Open the heat generator's electronics box.
> Fig. 1.7a+b Insert the product into the guides in the electron-
ics box.
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