Vaillant VRC 430f Manuel d'installation télécharger pdf (Page 27)

7Installation Instructions VRC430 0020042468_02

Fig. 4.3 Fitting the external sensor VRC 9535

Key

1 Casing cover

2 Wall plinth

3 Cap nut for cable conduit

4 Connection cable with drip loop

5 Installation opening

Proceed as follows:

⇒ Mark the position on the wall. Observe the cable

routing for the external sensor.

⇒ Route the connection cable (4) with a slight incline

to the outside and with a drip loop.

⇒ Remove the cover (1) from the external sensor cas-

ing.

⇒ Drill two holes 6 mm in diameter to match the

fixing apertures (5).

⇒ Insert the rawl plugs supplied.

⇒ Fix the wall socket (2) to the wall with 2 screws. The

cable entry must point downwards.

⇒ Release the cap nut (3) slightly and push the con-

nection cable through the cable entry from below.

⇒ The electrical installation is described in Chapter 5.2

for the VRC 693, and in Chapter 5.3 for the

VRC 9535 .

⇒ Re-tighten the cap nut (3). The packing in the cable

entry adapts to the diameter of the cable used

(Cable diameter: 4.5 to 10 mm).

⇒ Carefully push the cover for the enclosure onto the

wall socket until it clicks in position. Do not forget

the seal between the wall socket and the cover for

the enclosure.

5 Installation

Danger!

Live connections!

There is a danger to life from electrocution

when working on the electronics box of the boil-

er.

Switch off the power supply to the electronics

box of the heating unit and secure against re-

connection before carrying out any work.

Only open the electronics box if the heating

unit is disconnected from the power source.

If the controller is installed in the heating unit, the elec-

trical connection is made by the contact between the

pin rail of the controller and the corresponding plug

connection in the heating unit.

5.1 Electrical installation of the controller when

mounted on the wall

The power supply to the heating unit is switched off and

secured against re-connection.

Fig. 5.1 Electrical connection with VRC 430

Key

1 Terminal rail VRC 430

2 Heating unit terminal rail

Assembly 4

Installation 5

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Vaillant VRC 430f Manuel d'installation Page 27

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