Viessmann Vitocal 350-A Installation And Service Instructions Manual page 36

Preparing for installation
System example 1
Pos. Description
qW Flow temperature sensor - secondary circuit (for type AWH-O, install inside
the building in the secondary circuit flow)
DHW heating with DHW cylinder
eP Vitocell 100-V DHW cylinder, type CVW
eQ Cylinder temperature sensor
eW DHW circulation pump ("Wtimer DHW Circ.")
DHW heating with a solar thermal system
rP Solar-Divicon
rQ
Vitosolic 100
rW Collector temperature sensor (Vitosolic standard delivery)
rE Solar collector
rR Cylinder temperature sensor in the solar return (Vitosolic standard deliv-
ery)
rT Solar heat exchanger set for installation on the Vitocell 100-V, type CVW
rZ
High limit safety cut-out STB (if required)
rU Connection extension
Heating water buffer cylinder
tP Heating water buffer cylinder
tQ Buffer cylinder temperature sensor
tW System flow temperature sensor
Heating circuit without mixer (A1)
zP Radiator heating circuit
zQ Vitotrol 200 remote control
zW Overflow valve
zE Heating circuit pump
Heating circuit with mixer (M2)
uP Underfloor heating circuit with directly controlled mixer motor
uQ
Vitotrol 200 remote control
uW Overflow valve
uE Flow temperature sensor
uR Temperature limiter for limiting the maximum temperature of underfloor
heating systems
uT
Heating circuit pump
uZ Mixer motor - three-way mixer
36
(cont.)