Checking Gaskets And Thermal Insulation Sections - Viessmann Vitorondens 200-T Service Instructions Manual

Cleaning the heating surfaces
Heating surface of the heat exchanger
A
Fig.7
A Water hose
Generally, heat exchangers are cleaned with the aid of
a water hose from the boiler front through the hot gas
flues.
1. Remove contamination from the connector using a
vacuum cleaner.

Checking gaskets and thermal insulation sections

1. Check gaskets and packing cords in the boiler door
for damage.
2. Check the thermal insulation components of the
combustion chamber and the boiler door for dam-
age.
Commissioning, inspection, maintenance
(cont.)
2. Thoroughly flush the heating surface with water.
Note
In the case of severe contamination (e.g. through
incorrect burner adjustment), remove the heat
exchanger from the boiler for cleaning.
3. Replace any damaged sections.
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