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4. Maintenance procedure
6. Pivot the control
unit downwards.
7. Unplug
the central
connector.
8. Loosen the three 6 mm Allen screws on the burner ange
(do not unscrew them completely).
9. Rotate the burner unit approx. 1 cm to the right
(clockwise).
Allen screws
1. Set program selector (l.h. rotary selector) to "Standby"
on the BM programming module.
2. Pivot the control unit lid down and switch off the oil
condensing boiler at the ON/OFF switch.
ON/OFF switch
5. Pull the upper
casing lid forwards
and lift off.
Danger of burning
Before any maintenance work, leave the
appliance to cool down for half an hour or use
suitable gloves.
The mains terminals are 'live' even when the
ON/OFF switch has been switched OFF.
3. Disconnect the system from the power supply.
Screws left/right
4. Undo the screws on the left/right and unhook the front
casing by pulling it forwards and lifting it upwards.
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