Checking The Thermal Insulation; Checking The Flue Cover For Leaks; Checking The Mixer For Easy Operation And Leaks - Viessmann VITOCROSSAL 300 Service Instructions Manual

Further details of the individual steps

Checking the thermal insulation

Check the thermal insulation fit and
adjust if necessary.

Checking the flue cover for leaks

Checking the mixer for easy operation and leaks

1. Remove the motorised lever from
the mixer handle.
2. Check the mixer for easy
operation.
Initial start-up, inspection and maintenance
(cont.)
Check flue cover gaskets N and
those of clean-out cover O for leaks.
Please note:
Condensate and flue gas traces
indicate leaks.
3. Check the mixer for leaks.
Replace the O ring if the mixer
leaks.
4. Snap the motorised lever into
place.
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