Viessmann VITOCAL 300-G PRO Installation And Service Instructions Manual page 25

Siting
(cont.)
Type WW 302.A200, WW 302.A250, WW 302.A300
GF E
A
B
C
D
280
288 344
A Primary circuit flow (heat pump
water inlet):
Victaulic 3"
B Secondary circuit flow:
Victaulic 2½"
C Primary circuit return (heat pump
water outlet):
Victaulic 3"
Hydraulic connection requirements
■ Install hydraulic connections on site
stress-free.
■ Make the hydraulic connections
between several heat pumps on site.
■ All required components (with a suita-
bly designed plate heat exchanger) for
the cooling circuit must be provided on
site.
Preparing for installation
2522
D Secondary circuit return:
Victaulic 2½"
E Power supply 400 V/50 Hz
F Power supply 230 V/50 Hz
G Low voltage < 42 V
25