Viessmann VD2 Series Operations Instructions download pdf (Page 2)

Introductory information

For your safety

Please follow these safety instructions closely to avoid the risk of injury to persons and damage to property.

If you smell gas

 Don’t smoke! Don’t use naked

flames or cause sparks (e.g. by

switching lights or electrical

appliances on and off)

 Open windows and doors

 Close the gas shut-off valve

 Inform your heating engineers/service

contractors from outside the building

 Observe the safety regulations of

your gas supply company (see gas

meter) and those of your heating

engineers (see start-up or instruction

report).

In emergencies

 Immediately switch off the power

supply, e.g. at the separate fuse or

power supply disconnect switch

(unless there is a smell of gas).

 Close the shut-off valves in the oil

pipes or close the gas shut-off valve,

whichever applicable.

 Use suitable extinguishers in the

event of fire.

Work on the equipment

Installation, initial start-up, maintenance

and repairs must be carried out by a

competent person (heating engineer/

service contractor).

Before work is undertaken on the

equipment/heating system, switch off the

power supply voltage (e.g. at the

separate fuse or power supply electrical

isolator switch) and take steps to prevent

it from being switched on again.

Gas-fired systems: Also close the gas

shut-off valve and make secure to

prevent unauthorized use.

Installation of additional components

The installation of additional

components which have not been

tested together with the boiler can

adversely affect the function and

performance of the boiler.

Our warranty does not cover and we

accept no liability for damage

attributable to the installation of such

components.

Boiler room conditions

Do not use a room in which the air

is polluted by halogenated

hydro-carbons (e.g. as contained in

aerosols, paints, solvents and

cleaning agents)

 Do not use a room subject to high

levels of dust

 Do not use a room subject to

permanently high humidity

 The room should be frost-protected

 Max. ambient temperature 35 °C/

95 °F.

 Provide good ventilation and do not

close or obstruct vents (if installed).

This symbol indicates a

reference to other

instructions which must be

observed.

This header denotes special

instructions which apply to

the use of the Vitotronic 100,

GC1 in a multi-boiler system.

The main controls

The settings required for operating your heating system are made on the

Vitotronic 100, GC1 of each boiler and on the Vitocontrol-S, VD2/CT3/CM2.

If you system is equipped with remote controls, you can also use the remote

controls for some of the settings

See operating instructions for the remote control

The control unit is behind the hinged cover. The hinged cover is opened by pulling

the top gently downwards towards you.

You must close the hinged cover again after use.

5351 341 v1.2

Multi-

boiler

system

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Viessmann VD2 Series Operations Instructions Page 2

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