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9 UNIT LOCKING/UNLOCKING FUNCTION
In order to prevent unauthorised people from programming, it is possible to lock all the functions associated with the
C key.
9.1 Locking procedure
• C B User interface B press to confirm.
• B program line 27 (Programming locking), B to confirm.
• BOnB to activate the locking function.
9.2 Unlocking procedure
• CA and B (hold down for approx. 6 seconds) Locking programming temporarily inact. ».
This unlocking phase is temporary, it lasts 1 minute, then the unlocking is reactivated automatically. To deactivate the function
permanently, you must activate the temporary unlocking procedure then B Off in the program line 27 (Programming
locking) and B to confirm the unlocking.
10 SHUTTING DOWN THE BOILER
To shut down the boiler, you must cut the electricity supply to the appliance by pressing the two-pole switch. When the
«Protection mode» operation is activated, the boiler remains off but the electrical circuits are still powered up and the
anti-freeze function is activated
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