Cleaning The Pellet Hopper, Vacuum Module And Rotary Lock Valve - Viessmann Vitoligno 300-C Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Cleaning the pellet hopper, vacuum module and rotary lock valve

G
H
K
L
Fig. 53
01. Open top panel . Remove the 2 rear screws for
A
this purpose.
02. Open tensioning toggles
sion toggle clip.
03. Remove cover .
C
04. Clean pellet sensor
D
inspect for damage.
05. Unscrew wing nuts
E
strainer F .
06. Clean strainer on the underside of the cover
F
with a soft brush or vacuum cleaner.
Then screw the strainer firmly to the cover with the
wing nuts.
74
A
C
D
B
by pushing the ten-
B
with a soft brush and
on cover and remove
C
07. Replace the cover on the pellet hopper and secure
with tensioning toggles.
08. Undo hose clamp
K
vacuum module .
G
09. Vacuum out air intake aperture
pellet hopper with a vacuum cleaner.
10. Screw hose clamp firmly onto plastic bend and
refit top panel.
11. Vacuum out drip pans and ventilation apertures on
rotary lock valve M with a vacuum cleaner.
E
F
M
and pull plastic bend L off
and fines in the
H