Start-Up Problems With 285 Kw, Open Flue Operation - Viessmann VITOCROSSAL 200 Service Instructions Manual
Type cm2
gas condensing boiler with matrix radiant burner
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Also See for VITOCROSSAL 200:
- Service instructions manual (96 pages) ,
- Service instructions for contractors (88 pages) ,
- Instructions manual (72 pages)
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Troubleshooting
Start-up problems with 285 kW, open flue operation
Application information
Applies only to the MatriX radiant burner, type VMA III with 285 kW, for open flue
operation.
If the following problems are experienced with the burner:
■ Loud and irregular start-up characteristics.
■ Frequent fault shutdowns with fault message F25 or F27.
Modifying the burner settings
A
B
1. Pull compensation line A.
3. Start the burner and set the CO
to
2
8.8 %.
2. Set servomotor control cam B stage
2 to 35°.
46
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