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Installation
The water heater must be installed in an upright position.
The four feet are height-adjustable.
Fit the enclosed cover discs before pipe installation. The
cover discs, with self-adhesive backs, must be installed
on the relevant connection, by pushing them over the
connections.
All connections (including connections or holes left by
the lifting eyes that are not used) must be insulated to
minimise energy losses.
Pipe installation
The water heater must be provided with a drain valve,
shut-off valve, non-return valve, mixer valve, safety valve,
and a vacuum valve as per applicable standards, as well
as with a thermometer and pressure gauge.
Install the enclosed drain valve on the drain connection
(XL12). Remove the compression ring and compression
ring nut from the drain valve and install the valve using
the existing compression ring, compression ring nut, and
support bush. Replace the compression ring with a plug
on the open side of the drain valve.
The water heater must be provided with a mixer valve,
which limits the temperature of outgoing hot water to
60 °C. If this valve is not fitted, some other measure must
be taken to prevent the risk of scalding.
The safety valve must be set to maximum 9 bar (0,9 MPa)
and its overflow pipe must run unobstructed to the drain.
The overflow pipe must be the same size as the safety
valve. The overflow pipe must be routed downwards
along its entire length and be frost proof. The outlet of
the overflow pipe must be visible.
NOTE
Fit the cover discs before the pipe installation is
made
Filling
The water heater is filled by first opening a hot water
tap in the system and then opening the shut-off valve
for incoming cold water. This valve must then be fully
open during operation. The hot water tap can only be
shut off when the water heater is filled, which is when
only water comes out of the hot water tap (initially an
air-water mixture comes out of the tap).
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EKS 500, 1000 L | GB
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