Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 28

Installation sequence
Making the connections on the heating water side
Particle filter
C
D Check valve
Pressure reducer 2 bar (0.2 MPa)
E
Cold water connection
F
Feed
G
Boiler
H
System version
Vitoligno 300-H with one or more heating circuits with mixer, heating water buffer cylinder and DHW heat-
ing
2/331;2
2/303
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.
28
2/330
2/182
2/29
2/29B
2/1
(cont.)
4. Check the fittings on the heating water side for
tightness and retighten if required.
2/9-1
2/9-2
2/9-3