Safety; Classification Of Action-Related Warnings; Intended Use; General Safety Information - Vaillant VED Operating And Installation Instructions

2 Safety

2 Safety
2.1

Classification of action-related warnings

The action-related warnings are classified in accordance
with the severity of the possible danger using the follow-
ing warning signs and signal words:
Warning
Signal word
symbol
a
Danger!
e
Danger!
a
Warning.
b
Caution.
Tab. 2.1 Meaning of warning symbols and signal words
2.2

Intended use

Vaillant VED electric instantaneous water heaters have
been constructed using state-of-the-art technology in
accordance with the recognised safety rules and regula-
tions. Nevertheless, there is still a risk of death or seri-
ous injury to the user or others or of damage to the unit
and other property in the event of improper use or use
for which the unit is not intended.
This unit is not designed to be used by persons (includ-
ing children) with limited physical, mental or sensory
capabilities or by persons who do not have enough expe-
rience and/or knowledge, unless they are supervised by
a person who is responsible for their safety or have
been instructed by him/her about how to use the unit.
Children must be supervised to ensure that they do not
play with the unit.
The Vaillant VED electric instantaneous water heater
must only be used to heat up drinking water. The Vaillant
VED electric instantaneous water heaters are suitable
for use only in an enclosed, frost-free room in a domes-
tic environment. The Vaillant VED electric instantaneous
water heaters are not suitable for use in secondary
returns.
Any other use that is not specified in these instructions,
or use beyond that specified in this document shall be
considered improper use. Any direct commercial or
4
Explanation
Imminent danger to life
or risk of severe
personal injury
Risk of death from
electric shock
Risk of minor personal
injury
Risk of material or environmen-
tal damage
Operating instructions for VED electric instantaneous water heater 0020149586_00
industrial use is also deemed to be improper. The manu-
facturer/supplier is not liable for any damage resulting
from such use. In this case, the user alone bears the risk.
Intended use includes the following:
– observance of the accompanying operating, instal-
lation and maintenance instructions for the Vaillant
product and any other parts and components of
the system
– compliance with all inspection and maintenance
conditions listed in the instructions.
Caution.
Improper use of any kind is prohibited.
2.3

General safety information

Assembly and settings
All work involved in the installation, set-up, maintenance
and repair of the VED electric instantaneous water
heater must only be carried out by an approved heating
specialist company, who also assumes the responsibility
for installing the unit properly and commissioning it for
the first time.The VED electric instantaneous water
heater must be installed in strict compliance with these
installation instructions.
Risk of death from electric shock from live lines and
connections!
During all work on the open unit, particularly on electri-
cal lines and connections, there is a risk of death from
electric shock.
> Do not carry out any work on the unit yourself.
> Inform your heating specialist company if your VED is
not working correctly.
Risk of death from electric shock from live lines and
connections!
The drinking water used must demonstrate resistance
greater than or equal to 900 ohm at 15 °C. Otherwise,
the unit must not be used.
> Before installing the unit, ask the competent person
at your local water company to inform you about the
water resistance and conductivity.
> Consult a competent person if you have any doubt as
to the requirements for water quality.
Risk of being scalded by hot water!
The outlet temperatures at the draw-off points can be
up to 60 °C.
> When using a VED electric instantaneous water
heater, be aware of the risk of scalding from high out-
let temperatures.
> There is a particular risk of scalding whenever your
VED is set to stage II.
> In normal operating mode, set the output selector on
your VED to stage I to avoid scalding.