Maintenance Procedure - Wolf COB Series Maintenance Instructions Manual

ON/OFF switch
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.
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.
6

4. Maintenance procedure

5. Pull the upper
6. Pivot the control
7. Unplug
8. Loosen the three 6 mm Allen screws on the burner flange
9. Rotate the burner unit approx. 1 cm to the right
casing lid forwards
and lift off.
unit downwards.
Danger of burning
Before any maintenance work, leave the
appliance to cool down for half an hour or use
suitable gloves.
the central
connector.
Allen screws
(do not unscrew them completely).
(clockwise).
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