14
4.1 Filling with water
1) Upper cylinder: First check that all pipes are
connected correctly. Then proceed as follows:
A) Open a hot tap – leave it open
B) Turn the adjustable knob on the mixer valve all
the way to ‘+’.
C) 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.
D) Close hot tap.
2) Lower cylinder: Filled according to the instruc-
tions for the external heat shource/heating sys-
tem.
4.2 Turning on the power
When the cylinder has been filled with water, the
power can be switched on.
A) Switch on breaker/fuse.
4.3 Setting the mixer valve
The outgoing hot water temperature from the
product to the taps in the home can be adjusted
with the knob on the mixer valve. Adjusting the
mixer valve does not affect the temperature of
the hot water in the product.
To adjust the temperature:
A) Turn the adjustable knob (1) all the way to ‘+’
B) Then turn the knob towards ‘-’ to the desired
temperature.
4.6 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.
4.4 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.
!
WARNING
The water temperature in the product is 75°C
and could cause scalding. Before emptying, a
hot tap should be opened to the max. pressure/
temperature for min. 3 minutes.
Lower cylinder:
If an external heat source is fitted, follow the emp-
tying instructions for this. In electric-only opera-
tion: Disconnect the power supply. Open the cir-
cuit safety valve by turning the knob (4) approx. 90
degrees to the open position. Open a bleed valve
or vent in some other way.
If the upper cylinder needs to be emptied faster,
the safety valve can be removed by unscrewing
the clamping rung connector to the waste pipe.
When re-fitting, the ring clamp connection should
be tightened to 60 Nm torque (+/-5).
Faster emptying of lower cylinder: Remove the
safety valve or the lower pipe to the heating sys-
tem (5).
Turns
Temperature
0
Approx. 70°C
1/4
Approx. 60°C
1/2
Approx. 50°C
3/4
Approx. 40°C
1
Upper cylinder:
A) Disconnect the power supply.
B) Shut off incoming cold water supply.
C) Open a hot tap to the maximum
– leave open (prevents a vacuum).
D) Open the mixer valve all the way to ‘+’.
E) Twist the knob on the safety valve (3) approx.
90 degrees to the open position. Product emp-
tied.
After emptying, close the safety valve by turning
the knob (3) further clockwise. Close all open
taps. Adjust the mixer valve to its original set-
ting.
4.5 Emptying of water
3
5
4
