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

Preparing for installation
Requirements for on-site connections
Dimensions, type BW 302.D230
176
368 367
Fig. 10
Primary circuit flow (inlet):
A
Victaulic 3 (DN 80)
"
Secondary circuit flow (outlet):
B
Victaulic 2 (DN 65)
½"
Primary circuit return (outlet):
C
Victaulic 3 (DN 80)
"
Note
The width of the heat pump is given with and without
side panels. The dimensions without side panels are
the transport dimensions for handling.

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.)
1972
Secondary circuit return (inlet):
D
Victaulic 2
½"
Low voltage < 50 V
E
Power supply 230 V/50 Hz
F
G Power supply 400 V/50 Hz
(DN 65)