28
C
Particle filter
D
Check valve
E
Pressure reducer 2 bar (0.2 MPa)
F
Cold water connection
G
Feed
H
Boiler
4.
Check the fittings on the heating water side for
tightness and retighten if required.
System version
Vitoligno 300-H with one or more heating circuits with mixer, heating water buffer cylinder and DHW heat-
ing
2/302
2/320
2/320
2/321
2/301
2/310
2/311
2/303
2/331;2
2/1
2/182
2/29
2/29B
2/330
2/9-1
2/9-3
2/9-2
Fig. 20
Note:
This scheme is a general example without shut-off valves or safety equipment. This does not
replace the need for on-site engineering.
Installation sequence
Making the connections on the heating water side
(cont.)
5679249
Installation