12
4.1 Filling with water
First check that all pipes are connected correctly.
Then proceed as follows:
A) Open a hot tap – leave it open
B) Open the cold water supply to the product.
Check that the water from the open hot water tap
is flowing freely, without any air locks.
A) Close hot tap.
4.2 Turning on the power
When the cylinder has been filled with water, the
power can be switched on.
A) Insert plug into specified wall socket or turn on
switch/breaker.
4.3 Control points
A) Check that all pipe connections to/from the
product are tight and not leaking.
B) Check that the power supply to the product is
not at risk of exposure to mechanical, thermal
or chemical damage.
C) Check that any overflow pipe from the safety
valve is clear, undamaged and frost-free with
a fall to the drain.
D) Check that the product is standing firmly verti-
cally and horizontally.
4.5 Handover to end-user
4. INITIAL COMMISSIONING
THE INSTALLER MUST:
Brief the end-user on safety and maintenance
instructions.
Brief the end-user on settings and emptying the
product.
Hand this installation manual over to the end-
user.
Enter contact details on the type plate on the
product.
!
WARNING
The water temperature in the product may exceed
75°C and could cause scalding. Before emptying,
a hot tap should be opened to the max. pressure/
temperature for min. 3 minutes.
A) Disconnect the power supply.
B) Shut off incoming cold water supply.
C) Disconnect the pipe connections to the prod-
uct’s cold and hot water feeds.
D) Remove the insulation cap and loosen the
wall-mount.
E) Bring the heater to a drain, sink or other suit-
able place and empty the tank by turning the
pipe connections upside down. Remember
that both the water and the product may be
very hot.
When the heater is to be put into operation
4.4 Emptying of water
again, it must be filled with water and the tank
vented by opening a hot water tap to the maxi-
mum pressure until the water flows in an even
stream. The power supply must not be switched
on until this is done. Check that the pipe connec-
tions for CW and HW are still tight after 3-4 hours
of operation.
