Viessmann Vitocal 300-G Installation And Service Instructions Manual page 24

Preparing for installation
Connections on the primary side type BWC . . .
Required devices
Pos. Description
1 Heat pump
2 Primary pump (installed and connected)
3 Geothermal probes/geothermal collectors
4 Brine distributor for geothermal probes/collectors
5 Brine accessory pack
6 Brine pressure limiter (accessory, if no brine pressure limiter is con-
nected, insert a jumper across terminals 1X3.8 and 1X3.9 prior to
commissioning)
7 Frost protection monitor of the AC-Box (if an AC-Box is connected,
connect the frost protection monitor in series with the brine pressure
limiter)
8 Integral control unit
Note
For further information regarding the
terminal markings and PCBs, see
page 63.
Electrical connection
LP PCB (see page 63)
24
(cont.)