Cleaning The Heat Exchanger - Viessmann Vitodens 100-W WB1B Installation And Service Instructions Manual

Further details regarding the individual steps

Cleaning the heat exchanger

!
Please note
Scratches on parts that are in contact with flue gas can lead to corrosion.
Never use brushes to clean the heat exchanger.
Commissioning, inspection, maintenance
(cont.)
1. Use a vacuum cleaner to remove
residues from the heat
exchanger A inside the combus-
tion chamber.
2. If required, spray slightly acidic,
chloride-free cleaning agents
based on phosphoric acid (e.g.
Antox 75 E) onto the heat
exchanger A and let the solution
soak in for approx. 20 min.
3. Thoroughly flush the heat
exchanger A with water.
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