Viessmann Vitocal 300-G Installation And Service Instructions Manual page 56

Preparing for installation
System example 3, ID: 4605352_1008_01
Pos. Description
Heat pump
1
Vitocal 300-G
2 Instantaneous heating water heater, 3, 6, or 9 kW
4 Heat pump control unit Vitotronic 200, type WO1A
5
Primary pump, UP (integrated in type BWC)
6 Secondary pump, UP (integrated in type BWC)
7 Circulation pump for cylinder heating UPSB
(integrated in type BWC)
8 Safety equipment block with safety assembly (in standard delivery for type
BWC)
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
External heat source
wP External heat source (e.g. Vitola 200)
wQ External heat source demand
wW Mixer motor
wE Flow temperature sensor VTS system
wR High limit safety cut-out STB 70 °C
(for switching off secondary pump 6)
wT High limit safety cut-out STB 70 °C
(for switching off external heat source wP)
wZ Circulation pump for cylinder heating UPSB
wU Boiler water temperature sensor KTS
(in the external heat source for connection to the heat pump)
DHW heating (primary store system)
eP Dual mode DHW cylinder
eQ Cylinder temperature sensor STS top (for connection to heat pump control
unit 4)
eW DHW circulation pump ZP
eE
Two-way motorised valve (N/C, on the DHW side)
eR Flow limiter
eT Plate heat exchanger Vitotrans 100
eZ
Cylinder primary pump SLP (on the DHW side)
DHW heating with solar backup
rP Solar-Divicon with solar circuit pump R1
rQ Solar control unit Vitosolic 100, type SD1
56
(cont.)