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

Installation Examples
System Example 5

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)
tP
Motorized isolation valve
7
Temperature sensor T2
8
Shunt pump (on site)
9
Temperature sensor T1
qP
ON/OFF switch
tP
Boiler II
qQ
Vitotronic 100, type GC1B
qW
Boiler water temperature sensor KTS
qE
Motorized isolation valve
qR
Temperature sensor T2
qT
Shunt pump (on site)
qZ
Temperature sensor T1
qU
ON/OFF switch
tP
DHW tank
qI
DHW tank temperature sensor (connection to higher third party control unit)
qO
DHW pump (connection to higher third party control unit)
wP
Heating Circuits
wW
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
Central fault message system
eR
Flue gas temperature sensor AGS
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
26
(continued)
Vitotronic 100, GC1B Installation and Service