Wolf CGB-11 Installation Instructions Manual page 38

- Pivot the control unit lid down.
Switch OFF the boiler at the ON/OFF switch.
The mains terminals are ‚live' even when the ON/
OFF switch has been switched OFF.
- Disconnect the system from the power supply.
Close the gas shut-off valve.
- Unlock the casing lid with the l.h. and r.h. rotating locks.
Release the lower part of the casing lid and unhook at the
top.
38
Maintenance
rotating lock
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