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1 Safety
▶ Explain to the operator how the anti-Le-
gionella function works.
1.3.4 Risk of scalding and material
damage due to escaping hot or cold
water
▶ If you use plastic pipes for the hot or cold
water connection of the product, you must
only use pipes that are temperature-res-
istant up to 95 °C under a pressure of 1.0
MPa (10 bar).
1.3.5 Preventing frost damage
If the product remains out of operation in an
unheated room for an extended period of
time, the water may freeze in the product and
in the pipelines.
▶ Install the product in an installation room
that is always frost-free.
1.3.6 Material damage due to leaks
▶ Ensure that there is no mechanical tension
on the supply lines.
▶ Do not suspend any loads from the
pipelines (e.g. clothing).
1.3.7 Risk of death due to safety group
components either not being
installed or being incorrectly
installed
If certain safety group components (e.g. ex-
pansion relief valve, return flow prevention,
pressure reducer) have either not been in-
stalled or have been incorrectly installed,
this may lead to potentially fatal scalding and
other injuries.
▶ Install the necessary safety group compon-
ents.
▶ Do not install hydraulic accessories
between the safety group and the do-
mestic hot water cylinder's cold water pipe.
▶ Explain to the operator how the safety
group works and where it is to be posi-
tioned.
1.3.8 Material damage due to unsuitable
installation surface
The installation surface must be even and
have sufficient load-bearing capacity to sup-
port the operating weight of the product. An
4
uneven installation surface may cause leaks
in the product.
There is a risk of death if the connections are
subject to leaks.
▶ Make sure that the product is positioned
flush against the installation surface.
▶ Ensure that the installation surface has
sufficient load-bearing capacity to bear the
operating weight of the product.
1.3.9 Risk of material damage caused by
using an unsuitable tool
▶ Use the correct tool to tighten or loosen
threaded connections.
1.3.10 Material damage due to limescale
deposits in the expansion relief
valve
Hard water can cause limescale to accumu-
late in the expansion relief valve.
▶ Regularly check the expansion relief valve
manually to ensure that it works correctly
by turning the cap one turn anticlockwise.
Water escapes.
◁ Escaping water may be hot.
1.4
Regulations (directives, laws,
standards)
▶ Observe the national regulations, stand-
ards, guidelines and laws.
Installation and maintenance instructions eloSTOR pro 0020196671_06
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