General Safety Information - Vaillant VAE 90/1 AHT Installationsanleitung

1.3 General safety
information
1.3.1 Risk caused
by inadequate
qualifications
The following work must only
be carried out by competent
persons who are sufficiently
qualified to do so:
– Assembly
– Disassembly
– Installation
– Start-up
– Repair
– Decommissioning
▶ Observe all instructions that
are included with the product.
▶ Proceed in accordance with
the current state of techno-
logy.
▶ Observe all applicable dir-
ectives, standards, laws and
other regulations.
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 by switch-
ing off all power supplies at all
poles (electrical partition with
a contact opening of at least
0020237953_01 Installation instructions
3 mm, e.g. fuse or line protec-
tion switch).
▶ Secure against being
switched back on again.
▶ Check that there is no
voltage.
1.3.3 Risk of poisoning
caused by simultaneous
operation with an open-
flued combustion
location
If the product is operated at the
same time as an open-flued
combustion location, life-threat-
ening flue gas may escape into
the rooms from the combustion
location. Correct operation of
the product requires that exist-
ing combustion air pipes and
flue gas installations can be
shut off from open-flued com-
bustion locations.
▶ Install a suitable protection
device on-site, which monit-
ors the pressure difference
between the living room and
the flue gas guiding and
switches the product off if the
pressure difference is too
large.
▶ Have the installed safety
device approved by a chim-
ney sweep.
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