Equipment Required - Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual

Installation Examples
System Example 1

Equipment Required

Pos. Designation
Boiler
1
Vitotronic 100, type GC1B
2
Boiler water temperature sensor KTS
3
Therm-Control temperature sensor
5
ON/OFF switch
tP
DHW tank
qP
DHW tank temperature sensor STS
qQ
DHW pump
qW
Heating Circuits
qE
Boiler Accessories
Connection to safety equipment aBÖ (see page 58)
eP
Minimum pressure limiter SDB
eQ
Maximum pressure limiter SDB
eW
Water level limiter (low water cut-off) WB
eE
Flue gas temperature sensor AGS
eT
External connections (for connection to a higher third party control unit), (see page 62):
External demand, load-dependent
rR
External changeover of staged/modulating burners
rT
External demand burner stage 2
rZ
External demand burner stage 1
rU
System Accessories
Contactor relay
wI
Downstream heating circuit controller, contact closed: Signal for mixing valve "Close"
wO
Central fault message system S
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 control
tQ
10
(continued)
Vitotronic 100, GC1B Installation and Service