Bedienungsanleitung Vaillant aroTHERM VWL 55-2 (Seite 3 von 52) (Englisch)

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Safety 1

0020147164_04 aroTHERM Installation instructions 3

1 Safety

1.1 Action-related warnings

Classification of action-related warnings

The action-related warnings are classified in

accordance with the severity of the possible

danger using the following warning signs and

signal words:

Warning symbols and signal words

Danger!

Imminent danger to life or risk of

severe personal injury

Danger!

Risk of death from electric shock

Warning.

Risk of minor personal injury

Caution.

Risk of material or environmental

damage

1.2 Required personnel qualifications

Improper work carried out on the product

may cause material damage to the complete

installation and, as a consequence, may even

cause personal injury.

▶ You should therefore only work on the

product if you are an authorised competent

person.

1.3 General safety information

1.3.1 Danger caused by improper

operation

Improper operation may present a danger to

you and others, and cause material damage.

▶ Carefully read the enclosed instructions

and all other applicable documents, par-

ticularly the "Safety" section and the warn-

ings.

1.3.2 Risk of death from electric shock

There is a risk of death from electric shock if

you touch live components.

Before commencing work on the product:

▶ Disconnect the product from the power

supply (electrical partition with a contact

opening of at least 3 mm, e.g. fuse or

power switch).

▶ Secure against being switched back on

again.

▶ Wait for at least 3 minutes until the con-

densers have discharged.

▶ Check that there is no voltage.

▶ Cover or insulate adjacent live parts.

1.3.3 Risk of death due to lack of safety

devices

A lack of safety devices (e.g. expansion re-

lief valve, expansion vessel) may lead to po-

tentially fatal scalding and other injuries, e.g.

due to explosions. The schematic drawings

included in this document do not show all

safety devices required for correct installa-

tion.

▶ Install the necessary safety devices in the

system.

▶ Inform the operator about the function and

position of the safety devices.

▶ Observe the applicable national and inter-

national laws, standards and guidelines.

1.3.4 Risk of being scalded by hot

drinking water

There is a risk of scalding at the hot water

draw-off points if the hot water temperatures

are greater than 50 °C. Young children and

elderly persons are particularly at risk, even

at lower temperatures.

▶ Select the temperature so that nobody is at

risk.

1.3.5 Risk of injury or material damage

due to incorrect handling of the

product

Using the fins on the front side of the product

as conductors may lead to injuries (due to

falling) or to material damage.

▶ Do not use the fins as conductors.

1.3.6 Risk of material damage due to

additional elements in the heating

water

Unsuitable frost and corrosion protection

agents may damage seals and other com-

ponents of the heating circuit and may there-

fore also lead to leaks in the water outlet.

▶ Only add approved frost and corrosion

protection agents to the heating water.

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