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2.2 Commissioning
2.2.1 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.
2.2.2 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 and inner door of
the combustion chamber;
4. Keep the control knob pushed-in and
press the piezo-ignitor several times
until the pilot burns (see figure 6);
5. Keep the control button ( ) pushed-
in for approximately 20 seconds. After
releasing the button the pilot should
remain burning. If the pilot extingui
-
shes you should wait 5 minutes be
-
fore repeating the ignition procedure.
The size of the pilot flame can be
adjusted (see also “Pilot adjustment”);
6. Subsequently remount the outer and
inner door; see “Mounting the inside
door”;
7. Turn the control button to the ‘ON’ ( )
position;
8. Check the burner pressure setting
(see figure 9) and, if necessary,
adjust this in accordance with the
technical data (see par. 1.4);
9. Place the temperature control button
in the correct position, preferably
position 4 (approximately 60°C).
The appliance will now operate fully
automatically.
Figure 6 - Operation of the gas control
block
AOS 0484
