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Maintenance
Information on maintenance
Correct maintenance ensures trouble-free, efficient
and environmentally responsible system operation:
■
Observe the specified maintenance intervals
■
Only use authorised companies:
–
Viessmann Industrial Service (for contact details,
see page 33)
Other authorised contractors
–
Preventing excessive flue gas temperatures
Excessively high flue gas temperatures make the system less efficient
Cause of fault
Altered burner adjustment
Contaminated boiler system
Tab. 7
Recommendation
Constant monitoring of the flue gas temperature
18
Remedy
Adjust the burner correctly
Clean the boiler system
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