5.3.3 Inputs for special functions
The controller has special inputs (
¬Fig. 4.4
), which can
be used for special functions if necessary.
Circulation pump input 1xZP
You can connect a floating pushbutton to the
1xZP
input.
When the button is operated briefly, the circulation
pump is run for a fixed period of 5 minutes, indepen-
dently of any set timer programme.
TEL input
You can connect a floating contact (switch) to this
input.
When the switch is operated, the operating mode of the
connected heating circuits, hot water circuits and the
circulation pump is changed, depending on the setting in
Menu
C9
.
If you connect a teleSWITCH (accessory) to this input,
the operating mode of the connected heating circuits,
hot water circuits and the circulation pump can be chan-
ged remotely over the telephone network, depending on
the setting in Menu
C9
.
30
Installation Instructions VRC 630 0020095108_00
5 Electrical installation
Summary of Contents for VRC 630
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