42
Required equipment
Pos.
Description
Heat source
1
Heat pump
2
Instantaneous heating water heater (accessories)
3
Compressor
■ Implement the compressor power supply with 5 x 2.5 mm
2
■ For information regarding the power connection, see page 86
■ 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
1.5 mm
2
; on-site fuse protection
≤
16 A)
–
Integral three-way valve "heating/DHW" (only for type BWC/WWC)
5
Primary pump (already integrated and connected for type BWC/WWC)
6
Secondary pump, system flow (already integrated and connected for type
BWC/WWC)
7
Circulation pump for cylinder heating (only for type BW/WW)
8
Safety equipment block with safety assembly
9
Expansion vessel (accessory)
qP
Outside temperature sensor
KM BUS distributor
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
)
External heat source
wP
External heat source
wQ
Connection of an external heat source (connection via terminals "External
demand for external heat source")
wW
Motor for directly controlled three-way mixer
wE
System flow temperature sensor
wR
High limit safety cut-out 70 °C for shutting down an external heat source (on-
site)
wT
High limit safety cut-out 70 °C for switching off the secondary pump (on-
site)
wZ
Circulation pump for reheating the cylinder ( max. power consumption
130 W)
Preparing for installation
System version 3 (type BW/WW)
(cont.)
5368 522 UAE
Содержание Vitocal 300-G BW
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