Safety; Intended Use; Risk Caused By Inadequate Qualifications; Risk Caused By Inadequate Qualifications For The R290 Refrigerant - Vaillant aroSTOR VWL B 270/5 Installation And Maintenance Instructions Manual

1

Safety

1.1

Intended use

There is a risk of injury or death to the user or
others, or of damage to the product and other
property in the event of improper use or use
for which it is not intended.
The product is intended for hot water genera-
tion.
Intended use includes the following:
– observance of accompanying operating,
installation and maintenance instructions
for the product and any other system com-
ponents
– installing and setting up the product in ac-
cordance with the product and system ap-
proval
– compliance with all inspection and main-
tenance conditions listed in the instruc-
tions.
Intended use also covers installation in ac-
cordance with the IP code.
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 industrial use
is also deemed to be improper.
Caution.
Improper use of any kind is prohibited.
1.2 Risk caused by inadequate
qualifications
The following work must only be carried out
by competent persons who are sufficiently
qualified to do so:
– Set-up
– Dismantling
– Installation
– Start-up
– Inspection and maintenance
– Repair
– Decommissioning
▶ Proceed in accordance with current tech-
nology.
8000015884_00 Installation and maintenance instructions
1.3 Risk caused by inadequate
qualifications for the R290 refrigerant
Any activity that requires the unit to be
opened must only be carried out by com-
petent persons who have knowledge about
the particular properties and risks of R290
refrigerant.
Specific expert refrigeration knowledge in
compliance with the local laws is required
when carrying out work on the refrigerant cir-
cuit. This also includes specialist knowledge
about handling flammable refrigerants, the
corresponding tools and the required per-
sonal protective equipment.
▶ Comply with the corresponding local laws
and regulations.
1.4

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 by switching off all power supplies
at all poles (electrical partition with a con-
tact gap of at least 3 mm, e.g. fuse or cir-
cuit breaker).
▶ Secure against being switched back on
again.
▶ Check that there is no voltage.
1.5 Risk of death due to lack of safety
devices
The basic diagrams included in this docu-
ment do not show all safety devices required
for correct installation.
▶ Install the necessary safety devices in the
installation.
▶ Observe the applicable national and inter-
national laws, standards and directives.
1.6 Risk of death due to explosive and
flammable materials
▶ Do not use the product in storage rooms
that contain explosive or flammable sub-
stances (such as petrol, paper or paint).
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