Viessmann VITOCAL 200-G Installation And Service Instructions Manual page 20

Preparing for installation
System example 1, ID: 4605363_1009_01
Pos. Designation
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
Natural cooling function (NC)
iP
NC-Box with mixer (pre-wired)
iQ 3-way diverter valve
iW Secondary cooling circuit pump
iE Contact humidistat
iR Primary cooling circuit pump
iT Mixer motor
iI
2-way valve
iO Cooling circuit flow temperature sensor
Heating circuit without mixer A1
oP Underfloor heating circuit
oQ Vitotrol 200A remote control (accessory)
oW Overflow valve
20
(cont.)