Electrical Installation Scheme - Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual

Vitotronic 100, GC1B Installation and Service
System Example 9
Equipment Required
Pos. Designation
System Accessories
Central fault message system
eR
Extension EA1
rP
1 analog input (0 – 10VDC):
rQ
Boiler water setpoint temperature via 3rd party control
3 digital inputs:
rW
External blocking
External blocking with fault message
Fault message input
1 switching output (dry contact switching relay:
rE
Switching a feed pump to a substation
KM BUS distributor, for several KM BUS participants
rO
LON communication module for communication with external cascade control
tQ

Electrical Installation Scheme

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Installation Examples
43