Cleaning The Heating Surfaces; Checking The Condensate Drain And Cleaning The Siphon - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Further details regarding the individual steps

Cleaning the heating surfaces

!
Please note
There should be no scratches or
other damage on the heat
exchanger surface that comes
into contact with hot gases. This
could lead to corrosion damage.
Never use brushes to clean the
heating surfaces.
Brushing can cause existing
deposits to get stuck in the coil
gaps.
A

Checking the condensate drain and cleaning the siphon

Multi boiler system:
Clean the siphon in the flue gas header
as well.
Commissioning, inspection, maintenance
(cont.)
Note
Discolouration of the heat exchanger
surface is a normal sign of usage. It has
no impact on the function and service life
of the heat exchanger.
The use of chemical cleaning agents is
not necessary.
1. Use a vacuum cleaner to remove
deposits from heating surfaces A of
the heat exchanger.
2. If required, rinse heating surfaces
A with water.
3. Check condensate drain and clean
siphon. See the following chapter.
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