Checking And Cleaning The Flue Gas Heat Exchanger - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Further details regarding the individual steps

Checking and cleaning the flue gas heat exchanger

A Retainer, plug‐in connector
B Boiler water temperature sensor
C Temperature limiter
D Screw connection
E Flue gas heat exchanger
Initial start-up, inspection, maintenance
(cont.)
1. Pull the plug from boiler water tem-
perature sensor B and tempera-
ture limiter C.
2. Release the plug‐in connection clip
A from the connecting pipe and
release fitting D.
3. Pull flue gas heat exchanger E
forward to remove.
4. Clean the flue gas heat exchanger,
if required, with compressed air or
with a soapy solution.
Flush with clean water.
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