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5
Preconditions for installation
DANGER
Danger to life from explosion!
An increased and permanent ammonia concentration may lead to stress
corrosion cracking on brass (e.g.gas valves, union nuts). As a result,
there is a risk of explosion from gas escaping.
▶ Do not use wall mounted gas boilers in rooms where there is an
increased or permanent ammoniac concentration (e.g. livestock
stables or storage room for fertilisers).
▶ If contact with ammonia is unavoidable, make sure that there are no
brass parts installed in the system.
CAUTION
Personal injury due to lifting incorrectly.
▶ Due to the weight and dimensions of the wall mounted boiler, take
adequate measures to transport the wall mounted boiler safely in
the installation room.
▶ The packaged boiler should ideally be transported to the
installation room on a sack truck or trolley.
NOTICE
The appliance may be damaged if lifted incorrectly.
Not all parts of the boiler are suitable for lifting and carrying. To lift
the boiler correctly, handles are attached to the underside.
▶ Use these handles to move the boiler [1].
▶ Hold the boiler at the side and base and not at the basic controller
or flue connection.
1
Fig. 7
Position of handle recesses
Condens 7000 WP – 6721841195 (2022/01)
1
0010034260-002
5.1
Installation location
NOTICE
Frost damage!
▶ Install the heating system in a frost-free room.
DANGER
Risk of fire through flammable materials or liquids.
▶ Never store flammable materials or liquids in the immediate vicinity
of the boiler.
NOTICE
Boiler damage through contaminated combustion air or
contaminated air in the vicinity of the boiler!
▶ Never operate the boiler under dusty conditions or where the
atmosphere is contaminated with corrosive substances. These might
be, for example, paint shops, hairdressing salons and agricultural
operations involving the production of manure.
▶ Never operate boilers in locations where trichloroethene,
halogenated hydrocarbons or other corrosive chemical substances
are used or stored. Certain adhesives, solvents, cleaning agents and
paints, for example, contain these substances.
▶ Choose or prepare a suitable installation location.
5.2
Important notices
The wall mounted boiler must not be operated in open heating systems
(oxygen permeation). The heating system must then be converted to a
sealed system according to EN12828 or a system separation must be
installed:
▶ Mount a separation (a plate heat exchanger for example) between
the boiler and the heating system.
When plastic pipes are used in the heating system
If plastic pipes are used in the heating system, in an underfloor heating
system for example:
▶ Use plastic pipes with oxygen diffusion resistance to DIN 4726/
4729
-or-
▶ Mount a separation (a plate heat exchanger for example) between
the boiler and the heating system.
When using a room thermostat/room temperature-dependent
controller
▶ Do not mount thermostatic radiator valves in the reference room.
Surface temperature
The maximum surface temperature of the appliance is below 85 °C.
Therefore no special safety measures are required to protect flammable
materials and fitted furniture. Country-specific regulations must be
observed.
Preconditions for installation
11
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