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

Installation Examples
System Example 7

Equipment Required

Pos. Designation
Boiler I
1
Vitotronic 100, type GC1B
2
Boiler water temperature sensor KTS
3
Supply temperature sensor (connection to higher third party control unit)
4
Neutralizing system
7
ON/OFF switch
tP
Boiler II
9
Vitotronic 100, type GC1B
qP
Boiler water temperature sensor KTS
qQ
Motorized isolation valve
qW
Therm-Control temperature sensor
qE
ON/OFF switch
tP
DHW tank
qR
DHW tank temperature sensor (connection to higher third party control unit)
qT
DHW pump (connection to higher third party control unit)
qZ
Heating Circuit
wP
Low Temperature Heating Circuit
wQ
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 (not for Vitocrossal)
eT
External connections (for connection to a higher third party control unit), (see page 66):
Enable boiler, isolation valve open/closed
rR
External changeover of staged/modulating burners
rT
External demand burner stage 2
rZ
External demand burner stage 1
rU
34
(continued)
Vitotronic 100, GC1B Installation and Service