Cleaning The Flue Gas Collector Chamber And Heat Exchanger; Cleaning The Combustion Chamber And Rotary Grate - Viessmann Vitoligno 300-C Installation And Service Instructions Manual

Cleaning the flue gas collector chamber and heat exchanger

A
B
C
D
E
F
Fig. 48

Cleaning the combustion chamber and rotary grate

Danger
Touching live components can result in life
threatening injuries. After switching off the
ON/OFF switch on the control unit, there are still
live components inside the control unit enclo-
sure.
■ Isolate the system from the power supply, e.g.
by removing the separate fuse or by means of
a mains isolator, and check that it is no longer
live.
■ Safeguard the system against reconnection.
Commissioning, inspection, maintenance
Note
Clean the heat exchanger at least once per heating
season.
1. Remove top panel
A
for this purpose.
2. Remove thermal insulation mat
3. Remove cleaning cover
4. Pull out cleaning spirals
Note
Number of cleaning spirals and heat exchanger
(flues)
18 and 24 kW: 6 pce
■
■ 32 to 48 kW: 10 pce
5. Clean the flue gas collector with a vacuum cleaner.
6. Clean reversing chambers
ers (flues) F with a cleaning brush and vacuum
cleaner.
7. Reassemble in reverse order.
Danger
Risk of crushing or entanglement due to rotating
and moving parts.
Do not reach in through the maintenance cov-
ers.
. Remove the 2 rear screws
.
B
.
C
D .
and heat exchang-
E
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