Viessmann Vitopend 100-W Installation And Service Instructions Manual page 8

Warning notices
Warning notices according to GB25034-2010
Warning against incorrect use:
■ A faulty installation can lead to injury
and material losses.
■ The appliance must be installed in
accordance with the instructions and
applicable legal regulations.
■ Only engineers or persons approved
by the manufacturer may repair the
appliance or replace parts of it.
■ To ensure the safety of the product,
only original accessories can be
used.
■ The original flue pipe must be used.
Flue pipes of any other type must not
be used. The concentric flue pipe
must not be replaced by a single flue
pipe.
■ If it is necessary to replace the gas
governor or controls, please contact
the manufacturer.
■ Do not purchase any equipment
modified by dealers; only purchase
the manufacturer's original product.
This is the only way to ensure the
safety of the appliance.
■ When installing the appliance, install
a shut-off valve in the gas supply line.
■ Do not install the appliance near
electrical equipment with a strong
electromagnetic field, such as an
electromagnetic oven or microwave.
■ Do not remove any sealed parts from
the appliance.
Frost protection
!
Please note
Frost protection is only ensured
for as long as the power supply
is stable.
8
■ Do not use caustic cleaning agents to
clean the appliance.
■ The appliance must not be installed
in bedrooms, living rooms or bath-
rooms.
■ Ensure that the appliance is not oper-
ated by children or other persons
who do not use it. Ensure that chil-
dren do not play with the appliance.
■ The overheating safety valve and the
hot water drain valve may only be
operated by specialists or competent
persons.
■ Do not install the appliance in closed
rooms.
■ After maintenance or inspection of
the appliance, the results must be
noted on the appliance by the main-
tenance or inspection engineer.
■ The power supply to the room must
be earthed.
The switch connected to the appli-
ance must not be located in a room
with a bath or shower.
The closure and the closure seal
must be checked.
■ Explain the frost protection measures
for the appliance to the user. The
user can add antifreeze to the heat-
ing water circuit if the appliance is not
operated for a long period in winter.
Otherwise the appliance or pipes can
be damaged by freezing.