Checking The Active Charcoal Filter (If Installed); Checking The Connections On The Flue Gas Side For Tightness; Cleaning The Condensate Drain Pipe And Siphon And Reconnecting To The Drainage System - Viessmann vitoladens 300-t Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the active charcoal filter (if installed)

Observe the active charcoal filter manu-
facturer's instructions.

Checking the connections on the flue gas side for tightness

Cleaning the condensate drain pipe and siphon and reconnect-
ing to the drainage system
Check that the hoses are routed without
kinks and that the condensate can drain
freely.
12
Note
Traces of condensate indicate a leak.
A
1. Remove thermal insulation strip A
and pull thermal insulation mat B
out a little.
2. Check the heat exchanger fixings for
firm seating.
B
3. Check the connector on the heat
exchanger for leaks.
(cont.)