Checking The Condensate Drain And Cleaning The Siphon - Viessmann VITODENS 242-F Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
A

Checking the condensate drain and cleaning the siphon

B
A
C
62
(cont.)
1. Use a vacuum cleaner to remove
deposits from heating surfaces A of
the heat exchanger.
2. If required, rinse heating surfaces
A with water.
3. Check condensate drain and clean
siphon. See the following chapter.
Flue gas cascade:
Clean the siphon in the flue gas header
as well.
1. Check at the siphon that the conden-
sate can drain freely.
2. Remove retaining clip A.
3. Pull filler pipe B upwards.
4. Remove trap C downwards.
5. Remove the condensate hose from
trap C.
6. Clean the siphon.
7. Fill siphon with water and reassemble
with retaining clip A.