Checking The Condensate Drain And Cleaning The Siphon; Checking The Neutralising System (Accessories) - Viessmann Vitoplus 300 Service Instructions Manual

Further details regarding the individual steps
2. Fit rotary brush D (accessories) to
a rechargeable power screwdriver
or drill and clean the heat exchan-
ger with the rotary brush (at low
speeds). Remove all deposits,
including the sides of the indirect
coils.
!
Please note
To prevent damage,
cover the control unit.
Danger
Cleaning work may lead to
eye injuries.
Wear protective goggles.

Checking the condensate drain and cleaning the siphon

Checking the neutralising system (accessories)

Check the pH value of the condensate with a pH test strip. Replace the granu-
late if the pH value < 6.5.
Initial start-up, inspection, maintenance
(cont.)
3. Remove dirt from the heat exchan-
ger gaps with a vacuum cleaner
with angled nozzle E (acces-
sories).
4. Thoroughly flush the combustion
chamber with water. Ensure that
the drain hose continues to termi-
nate in the vessel (see points 1).
1. Check at siphon A, that the con-
densate can freely drain off.
2. Remove the retaining clip and the
siphon.
3. Clean the siphon.
4. Fill siphon A with water and fit it to
the boiler. Position the retaining
clip.
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