Inst
alla
tion
Installation: Assembly, connection and start-up
52
Delete settings
The programmed pushbuttons are deleted using this function. If necessary, please note any existing customer
settings before deletion.
If the settings have not been deleted:
Check on the TwinBus power supply unit whether the setting protection is activated - see page
Repeat the procedure.
2.5.4 TwinBus comfort indoor video station 1 7855
Assembly
Remove the TwinBus device and the supplied components from the packaging.
Please provide your customers with a copy of the operating instructions for the TwinBus device.
Connection
Circuit diagram:
switch, for instance, a floor door opener using the special button.
Circuit diagram:
actuate an external signal encoder via a call interface relay.
Activity
Result
✔
Short tone: Settings have been deleted.
/
Long tone: Settings have not been deleted.
Note:
The comfort indoor video station 1 7855 is installed in the same way as the indoor video station
1 7857 – refer to page
Circuit diagram:
connection with decentralised power supply.
Circuit diagram:
connection with central power supply.
Maximum 12 video indoor stations can be
supplied from the video 1 4874 power supply
unit.
Press and hold for 5 s
until
+
Acoustic signal for confirmation
Summary of Contents for TWINBUS
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Page 41: ...Installation Assembly connection and start up 41 Installation 00042 0 ...
Page 156: ...Installation Installation Assembly connection and start up 156 ...
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