Minimising Pulsation Noise - Viessmann VITOCROSSAL 300 Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
6. Switch ON the mains isolator, the
switch for the heating circuit pump
and the burner control switch, in that
order.
Burner manufacturer's oper-
ating instructions
7. Check the function of the neutralising
system.
Neutralising system operating
instructions

Minimising pulsation noise

Whatever the make of boiler, burner or flue 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.
B
B C
8
A
(cont.)
8. Check all gaskets/seals and plugs,
and retighten if necessary.
Note
We recommend you check all con-
nections on the heating water side for
leaks after approx. 500 hours run
(see page 11).
9. Check the boiler door and cleaning
cover a few days after commissioning
and retighten all screws.
1. Undo M 10 nut A on lever B of
rotary damper C.
2. Adjust the lever until all pulsating
noise has ceased (the lever mirrors
the damper position).
3. Lock the rotary damper with M 10
nut.
4. Readjust the burner if required.