Viessmann Vitocal 300-G Installation And Service Instructions Manual page 31

System version 1 (type BW/WW)
Required equipment
Pos. Description
Heat source
1 Heat pump
2 Instantaneous heating water heater with associated control module (ac-
cessory)
3 Compressor
Implement the compressor power supply with 5 x 2.5 mm
For information regarding the power connection, see page 89
On-site fuse protection
If a full wave soft starter is installed (see type plate), fuses must have
Z characteristics
4 Integral control unit (implement the control unit power supply with 3 x
2
1.5 mm ; on-site fuse protection
Integral three-way valve "heating/DHW" (only for type BWC/WWC)
5 Primary pump (max. 200 W)
6 Secondary pump, system flow with temperature limiter (maximum limit-
er for underfloor heating system, see 78)
7 Circulation pump for cylinder heating (only for type BW/WW)
8 Safety equipment block with safety assembly (already integrated in
type BWC/WWC)
9 Expansion vessel (accessory)
qP Outside temperature sensor
qQ KM BUS distributor (option)
qW Geothermal probe/geothermal collector
qE Brine distributor for geothermal probes/collectors
qR Brine accessory pack
qT Brine pressure limiter (if no brine pressure limiter is used, always insert
the jumpers supplied across the connections, otherwise the heat pump
will fail to operate)
DHW heating
wP DHW cylinder
wQ Cylinder temperature sensor (immersion sensor)
wW Switching times, auxiliary output (e.g. DHW circulation pump)
Heating circuit (A1)
eP Heating circuit without mixer (underfloor/radiator heating circuit)
eQ Vitotrol 200 remote control for heating circuit A1 (option)
eW Overflow valve
eE Temperature limiter (maximum limit for underfloor heating systems)
Natural cooling function (NC)
rP NC-Box with mixer
Preparing for installation
(cont.)
16 A, see from page 89)
2
31