EN
22
thermostat, which automatically maintains
the set temperature. The thermostat has
built-in overheating protection that switches
off the power to the heater element if the
temperature of the water is too hot.
Safety valve
A shut-off valve with safety valve ensures that
the product is not emptied if the supply of
cold water is stopped. The valve protects the
product from overpressure when the water
expands during the heating, by relieving the
pressure through the outlet. It is normal for
water to drip from the safety valve outlet
during operation. This must be taken into
consideration when the product is installed.
NOTE:
• The shut-off valve with safety valve does
not protect the product if the pressure in
the water pipe exceeds the specified
permitted pressure for the product.
• The shut-off valve with safety valve must
be cleaned and checked at regular
intervals to ensure that the product is
working properly and safely. The valve
must not be clogged or blocked. Any
scale must be removed.
INSTALLATION
WARNING!
• Incorrect installation and/or connection
of the product can result in a risk of
personal or fatal injury. Incorrect
installation and/or connection of the
product can result in a risk of material
damage, including but not limited to
explosion, fire and/or water damage.
• Installation, electrical connection,
connection to water pipe and
commissioning should be carried out by
authorised electrician and personnel
with authorisation to carry out
installation and/or connection of
products in this category, and in
compliance current legislation.
• The product must only be installed in
areas and properties with normal fire
safety.
• If the product is installed in a bathroom it
must be protected from spraying water
from a shower or other source.
• The product is only intended to be used in
enclosed and heated areas where the
temperature does not fall below 4°C.
• The product is not intended for prolonged
continuous use.
INSTALLATION
• To reduce loss of heat from pipes it is
recommended to place the product as
near to the tap point as possible. The
place for installation must be selected so
that it cannot be exposed to spraying
water from a shower or other source.
• The product must be installed over the tap
point with the outlet pipe and inlet pipe
turned down to the floor. The product is
fastened firmly to the wall with the two
supplied hooks (minimum diameter 4
mm). The fasteners permit a gap of 96 to
114 mm between the hooks.
FIG. 1
CONNECTION
• The product is intended to supply hot
water to households with a piping system
with a pressure of less than 6 bar.
• The shut-off valve with safety valve must
be fitted in the supply pipe as per the flow
arrow on the valve, which shows the
direction of the incoming flow. No other
shut-off taps must be fitted between the
shut-off valve with safety valve and the
product. Exception: If local regulations or
standards require the use of another
safety valve or safety mechanism (in
agreement with EN 1487 or EN 1489), this
must be acquired separately. For
mechanisms that function according to EN
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