Hydraulic Connection Requirements - Viessmann Vitocal 300-G Pro Installation And Service Instructions For Contractors

Preparing for installation
Requirements for on-site connections
Note
The width of the heat pump is indicated with and with-
out side panels. The dimensions without side panels
are the transport dimensions.
Type BW 302.C140 to BW 302.C230
200
343
368
Fig. 9
A Flow, primary circuit (inlet):
Victaulic 3 (DN 80)
"
B Flow, secondary circuit (outlet):
Victaulic 2 (DN 65)
½"
C Return, primary circuit (outlet):
Victaulic 3 (DN 80)
"
Note
The width of the heat pump is indicated with and with-
out side panels. The dimensions without side panels
are the transport dimensions.

Hydraulic connection requirements

■ Make on-site hydraulic connections stress-free.
Make the hydraulic connections between several
■
heat pumps on site.
All components required for the cooling circuit must
■
be provided on site. This must be achieved with an
appropriately sized plate heat exchanger.
16
(cont.)
1932
D Return, secondary circuit (inlet):
Victaulic 2
½"
Low voltage < 50 V
E
Power supply 230 V/50 Hz
F
Power supply 400 V/50 Hz
G
(DN 65)