Hydraulically Connecting The Primary/Secondary Circuits - Viessmann VITOCAL 300-G PRO SPS Installation And Service Instructions Manual

Installation sequence

Hydraulically connecting the primary/secondary circuits

Connection overview, type
BW 301.AS090 to BW 302.AS250
G F E
A
C
163
406
A Primary circuit flow (heat pump
water inlet):
Victaulic 3"
B Secondary circuit flow:
Victaulic 2½" HP water outlet
C Primary circuit return (heat pump
water outlet):
Victaulic 3"
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
32
B
D
343
Connection overview, type
WW 301.AS125 to WW 302.AS300
G F
A
C
280
288
A Primary circuit flow (heat pump
water inlet):
Victaulic 3"
B Secondary circuit flow:
Victaulic 2½" HP water outlet
C Primary circuit return (heat pump
water outlet):
Victaulic 3"
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
E
B
D
344