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9
Decommissioning
9
Decommissioning
9.1
Replacing the timer
Danger!
e
Risk of death from live connections!
When working in the control cabinet of the
boiler there is a risk of death from electric
shock. Continuous voltage is present on the
mains connection terminals, even if the
main switch is turned off!
> Switch the main switch off before work-
ing on the control cabinet of the boiler.
> Disconnect the boiler from the mains
power by disconnecting the mains plug
or by de-energising the boiler via an iso-
lating device with a contact opening of at
least 3 mm (e. g. fuses or power
switches).
> Secure the power supply against being
switched on again.
> Open the control cabinet only when the
appliance is disconnected from the
power source.
18
If you want to replace the heating system's timer, you must
first shut down the boiler.
> To do this, follow the instructions in the boiler
instructions.
> Ensure that the boiler is disconnected from the power
source.
> Carefully lever the timer from the boiler.
> Install the cover plate on the electronic box.
Installation instructions timeSWITCH 0020132031_00
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