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•
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.
INSTALLATION
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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 with the
outlet pipe and inlet pipe turned up
towards the ceiling.
•
The product can be placed upright on the
floor or hanging from a wall.
•
For wall installation the product must be
fastened firmly to the wall with two hooks
(minimum diameter 4 mm).
FIG. 1-12
CONNECTION
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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 1487 the specified
pressure must not exceed 7 bar. Other
safety valves should be calibrated to a
pressure that is 1 bar less than what is
specified on the product type plate. In
such cases the supplied safety valve
cannot be used.
•
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.
•
The product must only be installed in
areas where the floor has an approved
sealing layer and where it is possible to
empty the pipes, otherwise there is a risk
of material damage in the event of a fault
in the hot water system. Do not put non
water resistant material or items under
the product. If the product is installed in
an area without an approved sealing layer
a collector trough that runs to a drain
should be placed under the product.
•
It is normal for water to drip from the
safety valve outlet during operation. The
safety valve should be open to the
atmosphere. Take steps to collect and lead
EN
23
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