Viessmann VITOCAL 200-G Installation And Service Instructions Manual page 26

Preparing for installation
System example 2, ID: 4605364_1009_01
Pos. Designation
4 Instantaneous heating water heater with switching module (optional)
6
Secondary pump
7 Circulation pump for cylinder heating UPSB
8 KM BUS distributor
qW Safety equipment block with safety assembly
qE Heating circuit expansion vessel
qT Primary pump
Primary circuit
wP Brine accessory pack
wQ Pressure switch, primary circuit
wW Brine distributor for geothermal probes/geothermal collectors
wU Geothermal probe/geothermal collector
DHW heating
eP DHW cylinder
eW
Cylinder temperature sensor STS
eU DHW circulation pump ZP
eO Cylinder loading pump in the solar heat exchanger set
DHW heating with solar backup
eQ Cylinder temperature sensor SOL (Vitosolic standard delivery)
rQ High limit safety cut-out STB (max. 95 °C) (on-site, if required)
rW
Solar-Divicon
rE Solar circuit pump R1
rR Collector temperature sensor KOL (Vitosolic standard delivery)
rT Solar collector
rU Vitosolic 100, type SD1
rO Expansion vessel with solar circuit safety assembly
Heating water buffer cylinder
zP Heating water buffer cylinder
zQ Buffer temperature sensor PTS
zW Flow temperature sensor, system VTS
Heating circuit with mixer M2
uP Underfloor heating circuit
uQ Vitotrol 200A remote control (accessory)
uE
Flow temperature sensor VTS M2
uR Temperature limiter to restrict the maximum temperature of underfloor
heating systems
uT Extension kit for heating circuit with mixer
uZ Heating circuit pump, UP M2
uU
Mixer motor
Natural cooling function (NC)
iP NC-Box with mixer (pre-wired)
26
(cont.)