Velleman VMB1TC Bedienungsanleitung Seite 30

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30 VMB1TC Temperature controller manual – rev 5.0
Battery backup
To avoid losing the clock when a power failure occurs, a backup battery (3V Lithium CR2032) can be installed in the
battery holder at the back of the module.
To avoid premature depletion of the battery, only install it when permanent power is supplied to the Velbus system.
The temperature controller can display a message when the battery needs replacement.
The battery voltage watchdog must be enabled through the configuration menu.
1. Press and hold the ‘Menu’ button for ±4 seconds to
open the extended menu.
2. If necessary scroll through the extended menu using
the or button until the ‘Configuration’ item
appears
3. Select the configuration menu with the button.
4. Scroll through the configuration menu using the or
button until the ‘Battery backup’ item appears.
Location
5
Menu
Mode
Configuration
Location
5
Menu
Mode
Replace battery
Mo 14:23 23
Location
5
Menu
Mode
Configuration
Location
5
Menu
Mode
Battery backup
Location
5
Menu
Mode
Language
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