Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 14

Installation sequence
Fitting the feed (connection unit)
A
5.
4.
3.
B
Fig. 6
1. Only for pellet supply via flexible screw con-
veyor:
Fit the l.h. side panel on the l.h. side of the boiler.
In doing so, insert feed unit cable
let sensor cable D sVK
side panel.
Note
Connecting cables
B
left rear suspension rail.
2. Push the supplied seal ring onto the screw con-
veyor tube of the connection unit as far as the front
flange.
3. Insert the threaded studs with the short thread
■
into the supply flange on the boiler.
■ Push the flat gasket onto the threaded studs.
■ Push connection unit onto the threaded studs.
■ Position the connection unit parallel to the top of
the boiler (not horizontally as the boiler is posi-
tioned with a slight slope towards the front) and
secure with nuts. Torque: 20 Nm.
14
1.
2.
D
B
C
and pel-
B sYD
through the opening in the
and are located at the
D
4. Only for pellet supply via vacuum module:
Fit the gasket to the rotary lock valve.
Note
Parts for steps 4 and 5 can be found in the box for
the pellet hopper with vacuum module.
5. Secure intermediate flange with 4 screws. Ensure
correct positioning: Incline
away from the boiler.
6. For pellet supply via flexible screw conveyor:
Insert plug into the connection unit on
B sYD
motor .
C
For pellet supply via vacuum module:
Pull the plug cable from the last cable tie. After fit-
ting the vacuum module below the mounting
bracket, route the plug cable through the cable tie
and plug it into the connection unit. See page 18.
on the side facing
A