Checking The Condensate Drain And Cleaning The Trap - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Checking the condensate drain and cleaning the trap

!
Please note
Prevent damage due to condensate.
Cover electronic components with suitable
watertight material.
3.
4.
Fig. 25
1. Pivot the HBMU heat management unit forwards.
2. Cover electronic components with suitable water-
tight material.
Commissioning, inspection, maintenance
3. Remove the black supply hose.
4. Pull trap upwards out of the drain hose.
5. Hold trap as straight as possible and remove.
Ensure that no condensate runs out.
6. Clean the trap.
7. Fill the trap with water and refit it on the drain hose.
!
Please note
If the trap is not filled with water, flue gas
can escape.
Only start the appliance when the trap has
been filled.
Check that the trap is seated correctly.
8. Refit supply hose.
9. Danger
Risk of electric shock from escaping conden-
sate
Check the connections for leaks and check
that the trap is seated correctly.
Note
Route the drain hose without any bends and with a
constant fall.
Multi boiler system:
Clean the trap in the flue gas collector as well.
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