Vaillant Mixer module VR 61 Installation Manual download pdf (Page 4)

2 Description of the device

The mixer module VR 61 is used for the system extension

of the VRC

430 or VRC 430f regulators.

Different configurations of heating system can be

realised using the VR 61 mixer module.

The four basic configurations correspond to the four

hydraulic drawings, described in greater detail in Section

4 Incorporation of the VR 61 in the heating system.

2.1 Identification plate

The identification plate of the mixer module VR 61 is on

the inside of the housing cover.

2.2 CE-mark/conformity

The CE label documents that the mixer module VR 61, in

connection with Vaillant heating equipment, fulfils the

basic requirements of the following guidelines:

- Electromagnetic compatibility directive

(Guideline 89/336/EEC of the council)

2.3 Intended use

The mixer module VR 61 is a state-of-the-art appliance

which has been constructed in

accordance with recognised safety regulations .

Nevertheless, there is still a risk of death or serious

injury to the user or others or of damage to the device

and other property in the event of improper use or use

for which it is not intended.

The mixer module VR 61 is a system component which,

in combination with the VRC 430 or VRC 430f,provides

the control two heating circuits, a storage

tankcharging circuit or a circulation pump.

Any other use or extended use is considered to be use

other than intended. The manufacturer or supplier is not

liable for any resulting damage. The owner alone bears

any risk.

Intended use also includes observing the operating and

installation instructions and all other documents having

validity.

3 Safety instructions and

regulations

The mixer module VR 61 must be installed by a

qualified engineer , who is responsible for adhering to

the existing standards and regulations .

We accept no liability for any damage caused by failure

to observe these instructions.

3.1 Safety instructions

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.

3.2 Regulations

Standard wires must be used for wiring.

230 V lines must be sleeved lines (e.g. NYM 3x1,5).

Flexible lines must not be used for 230 V lines .

Minimum cross-section of the wires:

– Connection lead 230 V

(pump or mixer connection cable) 1,5 mm

- Low-voltage leads

(sensor or Bus leads) 0,75 mm

Do not exceed the following maximum wire lengths:

- Sensor connection 50 m

- Bus lead 300 m

If sensor and BUS lines run parallel with 230 V cables

for more than 10 m, they must be laid separately.

All connection lines must be fixed with the table

terminals provided in the cabinet.

Do not use free terminals of the appliances as support

terminals for other wiring.

The mixer module VR 61 must be installed in dry rooms.

All wiring must be in accordance with Building

Regulations Part P and BS 7671 (IEE Wiring Regulations),

and must be carried out by a suitably qualified person

2 Description of the device

3 Safety instructions and regulations

Operating and installation manual for VR 61 mixer module4

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