Viessmann 7452609, Installation And Service Instructions Manual

Page: 53 / 184

53
Pos. Description
1 Heat pump
2 Instantaneous heating water heater, 3, 6 or 9 kW (accessories)
4 Heat pump control unit Vitotronic 200, type WO1B
5 Primary pump (integral in type BWC 351.A07)
6 Secondary pump (integral in type BWC 351.A07)
7 Circulation pump for cylinder heating UPSB
(integral in type BWC 351.A07)
8 Safety equipment block with safety assembly (part of the standard delivery
for type BWC 351.A07)
9 Expansion vessel
qP
Outside temperature sensor ATS
qQ KM BUS distributor
qW Geothermal probe/geothermal collector
qE Brine distributor for geothermal probes/geothermal collectors
qR Brine accessory pack
qT
Brine circuit pressure switch
DHW heating
wP DHW cylinder
wQ Cylinder temperature sensor STS
wW DHW circulation pump ZP
Heating water buffer cylinder
eP Heating water buffer cylinder
eQ Buffer temperature sensor PTS
eW System flow temperature sensor VTS
Active cooling function (AC)
qZ AC-Box (active cooling)
rP Separate cooling circuit SKK
rQ Room temperature sensor, separate cooling circuit RTS
rW
Flow temperature sensor, separate cooling circuit VTS
rE Fan convector
rR Condensate drain
rT Circulation pump, UP AC
Heating circuit with mixer M2/HC2
tP Underfloor heating circuit
tQ Remote control Vitotrol 200A (accessories)
tE Flow temperature sensor VTS M2
tR Temperature limiter to restrict the maximum temperature of underfloor
heating systems
tT Heating circuit pump UP M2
tZ
Mixer motor M2 (controlled directly by heat pump control unit
4
)
Preparing for installation
System example 2, ID: 4605351_1008_01
(cont.)
5609 667 GB
Installation