Safety; Intended Use; Symbols Used; Required Personnel Qualifi Cations - Vaillant VWZ MWT 150 Instrucciones De Instalación E Instrucciones De Uso

1

Safety

Intended use

1.1
This product can be used by children
over eight years old and also by persons
with limited physical, sensory or mental
capabilities or insuffi cient experience and/
or knowledge if they are supervised or have
been provided with instructions on how to
safely use the product, and they understand
the risks resulting from using the product.
Children must not play with the product.
Cleaning and user maintenance work must
not be carried out by children unless they are
supervised.

Symbols used

1.2
The warning notes are classifi ed in
accordance with the severity of the possible
danger using the following warning signs and
signal words.
Warning
Explanation
symbol
Danger!
a
Immediate danger to life or risk
of severe personal injury.
e
Danger!
Risk of death from electric shock.
a
Warning!
Risk of minor personal injury.
Caution!
b
Risk of material or
environmental damage
Required personnel qualifi cations
1.3
Any work by a person not qualifi ed on the
appliance may result in physical damage
to the installation as a whole or even bodily
injury.
Only persons acting as approved installers
►
are qualifi ed to work on the appliance.
0020166669_04 - 03/15 - Vaillant

General safety advices

1.4
Danger to life by electric shock
1.4.1
Touching live connections can cause serious
personal injury.
Before carrying out any work on the
►
product, switch off the power supply.
Secure the power supply against being
►
switched on again.
Danger to life due to missing
1.4.2
or not properly working safety
devices
Missing safety devices can cause life-
threatening scalding and other injuries, for
example by burst pipes.
The information contained in this document
do not show all schemes required for a
professional installation of safety devices.
Install the necessary safety devices in the
►
system.
Inform the user about the function and
►
location of safety devices.
Never deactivate any safety device.
►
Do not attempt to adjust them.
►
Observe the relevant national and
►
international laws, standards and
guidelines.
Risk of material damage by
1.4.3
additives in the heating water
Frost and corrosion protection agents can
cause changes to seals, noise during heating
mode and may lead to other consequential
damage.
Do not use any unsuitable frost or
►
corrosion protection agents.
Risk of material damage caused
1.4.4
by unsuitable tools
The use of unsuitable tools or improper use
thereof may cause damage, such as gas or
water leaks.
SAFETY
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