Kessel Basic 230V Mono Instructions De Pose Et D'utilisation page 40

5.4 Switching off the system
Unplug the mains plug for the control unit, wait for a few
seconds until the power outage alarm is activated (short,
repetitive signal tone and the alarm LED (2) flashing)
Press and hold the alarm button (7) until the alarm LED
(2) no longer flashes, four short signal tones sound and
the control unit is switched off
If the control unit is switched off, the battery connection
is deactivated. The battery can remain connected since
it will not be discharged. Mains voltage is required for ini-
tialisation since this re-activates the battery connection.
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