Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 107

System example 3, ID: 4605377_1404_04
Pos. Designation
Shunt pump
4
Boiler water temperature sensor KTS
9
Temperature controller T1
qR
Temperature controller T2
qT
Contactor relay
qZ
DHW heating by the boiler
DHW cylinder
qP
Cylinder temperature sensor STS
qQ
DHW circulation pump ZP
qW
Circulation pump for cylinder heating UPSB
qE
Heating circuit
tP
Extension kit with mixer M2
tQ
Components:
tW Flow temperature sensor M2 (contact temperature sensor)
Mixer PCB with mixer motor M2
tT
or
Extension kit with mixer M2
tQ
Components:
Mixer PCB and flow temperature sensor M2 (contact temperature sensor)
tW
Mixer motor M2
tT
Temperature limiter for underfloor heating circuit
tE
Heating circuit pump M2 and 3-way mixer
tR
or
Divicon heating circuit distributor
Accessories (optional)
Two-stage/modulating burner extension
5
Flue gas temperature sensor AGS
6
Resistor, 825
wI
EA1 extension
7
1 switching output (floating changeover contact)
zW
Central fault message
3 digital inputs
zE
External blocking
■
External demand
■
External operating program changeover
■
1 analogue input (0 to 10 V)
zR
Default set boiler water temperature
Vitotrol 200A
zT
Vitotrol 300A
zZ
Ω
(cont.)
System examples
107