Viessmann Vitocrossal 300 Service Manual page 39

Vitocrossal 300 CU3A 26 to 57 Service
Example Layout 3
Equipment required ID: 4605302_1006_01
Pos. Designation
Boiler with
1
Control unit
2
Vitocrossal 300 with
Vitotronic 200, type KW6A
Outside temperature sensor ATS
3
DHW heating by the boiler
DHW tank
qP
Tank temperature sensor STS
qQ
DHW recirculation pump ZP
qW
DHW pump UPSB
qE
DHW heating by the solar thermal system
Tank temperature sensor STS
qQ
DHW recirculation pump ZP
qW
DHW pump UPSB
qE
Dual mode DHW tank
qR
Tank temperature sensor SOL
qT
High limit safety cut-out STB
qZ
Solar collectors
wP
Solar control module, type SM1
wZ
Collector temperature sensor KOL
wQ
Solar-Divicon
wW
Solar circuit pump
wE
Circulation pump (transfer)
wR
Automatic thermostatic mixing valve
wT
Heating circuit I
eP
Heating circuit pump, heating circuit A1
eQ
Heating circuit II and III
rP/tP
Extension kit for one heating circuit with mixing valve M2/M3
rQ/tQ
Components:
Supply temperature sensor M2/M3 (contact temperature sensor)
rW/tW

and
Mixing valve PCB with mixing valve motor
rT/tT

or
Extension kit for one heating circuit with mixing valve M2/M3
rQ/tQ
Components:
Mixing valve PCB and supply temperature sensor M2 (contact temperature sensor)
rW/tW

Mixing valve motor
or
Mixing valve motor M2 for flanged mixing valve and plug
rT/tT
Temperature limiter for an underfloor heating circuit
tE
Heating circuit pump M2 and 3-way mixing valve
rR/tR
(continued)
Service
39