Initial Commissioning; Filling With Water; Turning On The Power; Setting The Mixer Valve - OSO HOTWATER DI 200-300 l Instructions De Montage

4. INITIAL COMMISSIONING

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) 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.
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 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.
Turns Temperature
0 Approx. 70°C
1/4 Approx. 60°C
1/2 Approx. 50°C
3/4 Approx. 40°C

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
vertically and horizontally.
12

4.5 Emptying of water

The water temperature in the product may ex-
ceed 75°C and could cause scalding. Before emp-
tying, 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) Open a
– leave open (prevents a vacuum).
D) Open the mixer valve all the way to '+'.
E) Twist the knob on the safety valve (2) approx.
90 degrees to the open position.
Product emptied.
1
After emptying, close the safety valve by turn-
ing the knob (2) further clockwise. Close all
open taps. Adjust the mixer valve to its original
setting.
If the tank 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).

4.6 Handover to end-user

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
!
hot tap to the
3
2
maximum