Viessmann VITOTRONIC 300 Installation And Service Instructions Manual page 10

Preparing for Installation
System Example
Equipment required
Pos.
Boiler I (cascade mode)
1
Neutralizing system
2
Boiler water temperature sensor KTS
3
Supply temperature sensor, common heating supply VTS as
5
contact temperature sensor (standard delivery for Vitotronic 300-K)
or
immersion temperature sensor
Outside temperature sensor ATS
6
Vitotronic 300-K
7
Vitotronic 300, GW5B
8
Boiler II (cascade mode)
9
Neutralizing system
qP
Boiler water temperature sensor KTS
qQ
Vitotronic 300, GW5B
qE
DHW tank
qR
DHW tank temperature sensor STS
qT
Circulation pump for DHW tank heating UPSB
qZ
DHW circulation pump ZP
qU
Heating circuit 2
qI
Heating circuit pump M2
wP
Extension kit for one heating circuit with mixing valve:
Supply temperature sensor M2 as contact temperature sensor
qO
and
Mixing valve motor M2
wQ
or
Supply temperature sensor M2 as
qO
contact temperature sensor
or
immersion temperature sensor
and
Mixing valve motor for flanged mixing valve M2
wQ
Heating circuit 3
wW
Heating circuit pump M3
wR
Extension kit for one heating circuit with mixing valve:
Supply temperature sensor M3 as contact temperature sensor
wE
and
Mixing valve motor M3
wT
or
Supply temperature sensor M3 as
wE
contact temperature sensor
or
immersion temperature sensor
and
Mixing valve motor for flanged mixing valve M3
wT
Heating circuit 1 at the Vitotronic 200-H
wZ
Heating circuit pump M1
wI
Extension kit for one heating circuit with mixing valve:
Supply temperature sensor M1 as contact temperature sensor
wU
and
Mixing valve motor M1
wO
or
10
(continued)
Vitotronic 300, GW5B & MW1B Installation and Service
Description