Minimising Pulsation Noise - Viessmann VITOCROSSAL 300 Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
7. Check the function of the neutralis-
ing system.
Neutralising system operat-
ing instructions

Minimising pulsation noise

Whatever the make of boiler, burner or flue gas system, sound flue systems can
still create pulsation noise. A change of resonance may be affected by rotating
the damper fitted into the flue outlet.
8
(cont.)
8. Check all gaskets/seals and plugs
and retighten, if necessary.
Note
We recommend you check all heat-
ing water connections after approx.
500 hours for leaks (see page 11).
9. Check the boiler door and clean-
out cover a few days after commis-
sioning and retighten all screws.