Further details regarding the individual steps
Cleaning and reconnecting the condensate drain system
Note
Clean the inside of the condensate
drain system at least annually.
Commissioning, inspection, maintenance
(cont.)
1. Pull drain or cleaning hose C off.
2. Clean the inside of the condensate
drain system (hose, pipe).
3. Clean the neutralising system (if
installed) in accordance with the
manufacturer's instructions.
Neutralising system operat-
ing instructions
Note
You can obtain neutralising agent
from Viessmann quoting part no.
9521 702.
4. Release and flush lower part A of
siphon B.
5. Fill lower part A of siphon B with
water and reassemble.
6. Refit hose D of the neutralising
system to the siphon.
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