Adjusting The Burner - Viessmann VITOPLEX 100 Service Instructions Manual

Commissioning, inspection, maintenance
Cleaning the sight glass in the boiler door
Fig. 6
Check the gaskets and hose connection for tightness.
Checking the mixer for ease of operation and tightness
1. Remove the motorised lever from the mixer han-
dle.
2. Check the mixer for ease of operation.
Checking the function of the return temperature raising facility (if
installed)
Checking the installation room ventilation
Checking the flue pipe for tightness

Adjusting the burner

For burner adjustment, see separate burner
documentation.
Adjust the maximum oil or gas throughput of the
burner to the rated boiler heating output.
Rated heating Pressure drop on the hot gas
output side (fuel oil
kW
780
950
Values for natural gas plus around 5 %
*2
14
)
*2
Pa mbar
350 3.5
450 4.5
3. Check the mixer for leaks. In the event of a leak,
replace the O-ring.
4. Snap the motorised lever into place.
Rated heating Pressure drop on the hot gas
output side (fuel oil)
kW
1120
1350
1700
2000
Pa mbar
590 5.9
570 5.7
720 7.1
540 5.4