1. Pull the retainer clip of the siphon backwards.
2. Carefully pull the siphon downwards.
3. Fill the siphon with water up to the mark.
4. Push the siphon firmly into the appropriate opening
underneath
the boiler.
5. Push the retainer clip of the siphon forwards.
6. Check whether the siphon is firmly fitted in the boiler.
Danger
The siphon must always be sufficiently filled with water. This
prevents flue gases from entering the room.
6.1.3
Gas circuit
Warning
Ensure that the boiler is disconnected from the power supply.
1. Open the main gas tap.
2. Open the gas tap under the boiler.
3. Check the gas inlet pressure at the measuring point on the gas pipe.
Warning
For authorized gas pressures, see: Unit categories, page 67
4. Vent the gas supply pipe by unscrewing the measuring point.
5. Tighten the measuring point again when the pipe has been fully
vented.
6. Check all connections for gas tightness. The test pressure may be a
maximum of 60 mbar.
6.2
Control panel description
6.2.1
Control panel components
1 Rotary knob to select a tile, menu or setting
2 Confirm button to confirm the selection
3 Back button :
Short button press: Return to the previous level or previous
menu
Long button press: Return to home screen
4 Menu button to go to the main menu
5 Display
6 Status LED
6.2.2
Description of the home screen
This screen is shown automatically after start-up of the appliance. The
control panel automatically enters standby mode (black screen) if the
buttons are not used for 5 minutes. Press one of the buttons on the control
panel to activate the screen again.
You can navigate from any menu to the home screen by pressing the back
button for several seconds.
Fig.39
Filling the siphon
AD-0000231-03
6
3
2
4
5
1
Fig.40
Gas measuring point
AD-0000121-01
Fig.41
Control panel components
AD-3000932-02
4
6
3
2
1
5
6 Preparation of commissioning
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