Vitotronic 300, GW2B Installation and Service
5693 982 - 04
26
Preparing for Installation
System Example 4
(continued)
Equipment required
Pos. Description
1
Boiler
2
Vitotronic 300 GW2B
3
Outside temperature sensor ATS
4
Boiler water temperature sensor KTS
5
Neutralizing system
rR
ON/OFF switch (on site)
6
DHW tank
7
DHW tank temperature sensor STS
8
DHW pump UPSB
9
DHW recirculation pump ZP
qP
Heating circuit 2
qW
Heating circuit pump M2
Mixing valve extension kit:
Supply temperature sensor M2 as contact temperature sensor
and
qE
Mixing valve motor M2
or
Supply temperature sensor M2 as
- Contact temperature sensor
or
- Immersion temperature sensor
and
qE
Mixing valve motor for flanged mixing valve M2
qR
Heating circuit 3
qZ
Heating circuit pump M3
Mixing valve extension kit:
qT
Supply temperature sensor M3 as contact temperature sensor
and
qU
Mixing valve motor M3
or
Supply temperature sensor M3 as
qT
- Contact temperature sensor
or
- Immersion temperature sensor
and
qU
Mixing valve motor for flanged mixing valve M3
