15
2.2 Commissioning
Filling the water heater
1. Close the drain tap.
2. Open the cold water tap to the water
heater and open all taps where hot
water can be drained for de-
aeration. The water heater is filled
as soon as cold water flows from all
taps.
3. Close all hot water taps.
Putting into operation
1. Check whether the water-heater
has been filled with water and
whether the gas supply to the water
heater is open.
2. Turn the temperature control knob
clockwise and place the control knob
in the ‘PILOT’-position (✸).
3. Remove the outer door of the
combustion chamber.
4. Keep the control knob pushed-in and
press the piezo-ignitor several times
until the pilot burns (see drawing 6).
5. Keep the control button (✸) pushed-
in for approximately 20 seconds.
After releasing the button the pilot
should remain burning. If the pilot
extinguishes you should wait 5
minutes before repeating the ignition
procedure. The size of the pilot flame
can be adjusted (see also “Pilot
adjustment”).
6. Fit the outer door;
7. Turn the control button to the ‘ON’ ( )
position.
8. Check the burner pressure setting
(see drawing 9) and, if necessary,
adjust this in accordance with the
technical data (see page 10).
9. Place the temperature control button
in the correct position, preferably
position 4 (approximately 60°C). The
appliance will now operate fully
automatically.
Drawing 6 - Operation of the gas
control block