Technical information

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5354 789 - 01
Vitorond 200, VD2A Series Service
Inspection and Maintenance
Clean Heat Exchanger, Flue Gas Collar and Chimney
1. Clean flue gas passageways A and combustion
chamber B with the supplied cleaning brush. Clean
tight areas between ribs with the smaller cleaning
brush. Remove combustion residues with a vacuum
cleaner.
2. Remove combustion residues of chimney connection
and flue gas collar via the clean-out openings C at
rear of boiler (for example, using a vacuum cleaner).
Check All Gaskets and Sealant Ropes
Check Insulation of Combustion Chamber Door
Replace worn items.
Replace worn items.
1. On models VD2A-125 to VD2A-195 only:
Completely insert turbulators B into the second flue
gas passageways.
2. Tighten bolts A of combustion chamber door in a
cross-wise fashion.
When using a gas power burner: Connect gas train
and perform necessary leak detection tests.
3. Install clean-out opening covers C.
Reinstall Turbulators, Clean-out Covers and Close Combustion Chamber Door