Vaillant Mixer module VR 61 Installation Manual download pdf (Page 11)

11Operating and installation manual for VR 61 mixer module

⇒ Mark the two fixing points at a suitable position in

accordance with the fixing openings (1).

⇒ Drill two holes for the suitable plugs and screw the

casing

securely in position.

⇒ The electrical installation is carried out as

described in Chapter 6.

⇒ Insert the casing cover back into the hinges and

hinge the casing cover back up into position.

⇒ Screw the casingcover in position in accordance with

Fig. 5.1.

5.3 Assembling VR 10 standard sensor

The VR 10 standard sensor is so designed that it can be

used as a cylinder sensor, (e.g. as an immersion sensor

in a cylinder sensor tube) or as a flow sensor

(e.g. in a hydraulic switch).

The fixing tape enclosed can also be used to fix the

VR 10 as a contact sensor onto a heating pipe. We

recommend that the pipe with the sensor is insulated

to ensure optimum temperature measurements.

Fig. 5.3 Standard sensor VR 10 as contact sensor

6 Electrical installation

The electrical connection must be done by a suitably

qualified heating engineer who is responsible for

complying with the existing standards and guidelines.

Danger!

Connections carrying voltage!

When working in the open mixer module

VR 61 and in the control cabinet of the heating

equipment there is a danger to life by electric

shock.

Before working on the mixer module VR 61 and

in the control cabinet of the heating equipment

turn off the power supply and secure against

re-engagement.

The LED (green) on the PCB of the mixer

module VR 61 must not light up.

If the casing of the mixer module VR 61 is closed , open

it as described under Chapter 5.2.

6.1 Connecting VR 61 mixer module

The mains input is provided by the user up

to the mixer module VR 61.

The eBUS connection to the mixer module VR 61 can be

branched off at any point in the eBUS system

(see Fig. 6.1).

⇒ Wire up the mixer module VR 61 as shown in Fig. 6.2.

Note!

The cables for the 230 V mains connection and

for e-BUS connection are not included in the

supply.

The storage tank sensor 1 (SP1, accessories

VR 10) is connected to the wiring harness of

the heating equipment (see the documents

which also apply, installation instructions

heating equipment). This also applies if the

storage tank charging pump is connected

directlyinto the mixer module VR 61.

If a hydraulic switch is fitted the feed sensor 1

(VF1, accessories VR 10) is mounted in the feed

behind or within the hydraulic switch. The

connection is carried out via the edge

connector X8 (included in the controller

VRC 430 or VRC 430f) in the control cabinet

of the heating equipment (see Fig. 6.3).

Assembly 5

Electrical installation6

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