Checking The Connection On The Flue Gas Side For Leaks - Viessmann VITORONDENS 200-T Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the connection on the flue gas side for leaks

Note
Traces of condensate indicate a leak.
1. Remove thermal insulation hood
A.
2. Remove thermal insulation strip B
and pull thermal insulation mat C
out a little.
16
B
C
A
(cont.)
3. Check the heat exchanger fixings for
firm seating.
4. Check all sealing points on the heat
exchanger, boiler flue connection
and flue system.