Bedienungsanleitung Vaillant Control Center VR 65 (Seite 4 von 12) (Englisch)

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4 Installation Instructions for Control Center VR 65

The following components can be connected

- 230 V 3-port mid-position valve

- 230 V cylinder thermostat

or alternatively

- 2 x 230 V 2-port zone valves

- 230 V cylinder thermostat

When Vaillant uniSTOR cylinder is installed, the NTC sen-

sor VR 10 supplied with the VR 65 can be used instead

of the 230 V cylinder thermostat.

This will then allow the cylinder temperature to be set at

the Vaillant ecoTEC boiler or at the Vaillant VRT 360 or

VRC 400 control.

The cylinder temperature can also be set remotely via

vrnetDIALOG.

2.1 Data badge

The data badge is on the inside of the VR 65 Control

Centre housing cover.

2.2 CE label/conformity

The CE label documents that the Control Center VR 65,

in connection with Vaillant condensation boilers, fulfils

the basic requirements of the following guidelines:

- Electromagnetic compatibility directive (Guideline 89/

336/EEC of the council)

- Low voltage directive (73/23/EEC)

2.3 Intended use

The Control Center VR 65 is a state-of-the-art appliance

which has been designed in accordance with recognised

safety regulations. Nevertheless, dangers to the life and

limb of the user or third parties can still occur or the

appliance or other material assets may be impaired in

the event of improper use or use for which the applianc-

es are not intended.

The Control Center VR 65 is an eBUS system compo-

nent.

It is responsible for the communication between the

DHW cylinder, the boiler and external 230 V 2- or 3-port

valves.

Any other use or extended use is considered to be

improper use. The manufacturer/supplier is not liable for

any resulting damage. The user alone bears any risk.

Intended use includes the observance of the installation

manual.

Note!

The VR 65 is designed to control one 3-port

valve or two 2-port valves. Systems requiring

more zone valves or a combination of 3-port

and 2-port valves are not possible.

Note!

The VR 65 requires a 230 V supply. The

ecoTEC boiler also requires a 230 V supply. The

eBUS wiring between the two will not provide

230 V from one device to the other!

3 Safety instructions and regulations

The Control Center must be installed by a suitably quali-

fied heating engineer, who is responsible for observing

all relevant standards and regulations.

We accept no liability for damage caused by non-obser-

vation of these instructions.

3.1 Safety instructions

Danger!

Risk of death from electric shock through con-

tact with live connections!

Isolate the mains power supply before working

on the unit, and ensure that the power cannot

be accidentally restarted.

Using the mains switch on the VR 65 or on the

heating appliance is not sufficient to isolate all

terminals of the system.

3.2 Regulations

All wiring must be in accordance with Building

Regulations Part P, current IEE regulations, and must be

carried out by a competent person.

Standard wires must be used for wiring.

Minimum cross-section of wires:

- Power supply 230 V (connection cable

to pumps or Control Center) 1.5 mm

- Extra-low voltage supply

(sensor or bus wires) 0.75 mm

Do not exceed following maximum wire lengths:

- Sensor connection 50 m

- Bus wire 300 m

Where sensor and ‘eBUS’ cables run in parallel with

230 V cables over a length of 10 m, they must be sepa-

rated by at least 25 mm.

230 V connection leads must be 1.5 mm

and secured

using the cable clamps supplied.

Do not use free terminals on the devices as support ter-

minals for other wiring.

The unit must be installed in a dry room.

2 Description of the appliance

3 Safety instructions and regulations

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