Vaillant VRC 430f Manual de Instalação descarregar pdf (Página 28)

Installation Instructions VRC 430 0020042468_028

Note!

The bridge between the terminals 3 and 4

(see Fig. 5.1) should not be removed.

When connecting the eBUS cable there is no

need to make sure the polarity is correct. Com-

munication is not adversely impacted if the two

connections are swapped over.

Proceed as follows:

⇒ Connect the eBUS cable to the VRC 430 terminal

rail.

⇒ Connect the eBUS cable to the terminal rail on the

heating unit.

5.2 Electrical installation of the external sensor

VRC 693

The power supply to the heating unit is switched off and

secured against re-connection.

Fig. 5.2 Electrical connection of VRC 693

Key

1 Connection cable to the external sensor VRC 693

2 6-pole edge connector for plug location X41 (heating unit)

Proceed as follows:

⇒ Connect the connection cable to the terminals on

the external sensor as per Fig. 4.2.

⇒ Connect the connection cable to the 6-pole edge

connector as per Fig. 5.2.

⇒ Connect the 6-pole edge connector to plug location

X41 on the heating unit.

5.3 Electrical installation of the external sensor

VRC 9535

The power supply to the heating unit is switched off and

secured against re-connection.

Fig. 5.3 Electrical connection of the external sensor VRC 9535

Key

1 Terminal rail VRC 9535 external sensor

2 6-pole edge connector for plug location X41 (heating unit)

Proceed as follows:

⇒ Connect the connection cable to the terminal rail of

the external sensor as per Fig. 5.3.

⇒ Connect the connection cable to the 6-pole edge

connector as per Fig. 5.3.

⇒ Connect the 6-pole edge connector to plug location

X41 on the heating unit.

5 Installation

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Vaillant VRC 430f Manual de Instalação Página 28

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