18
Recommendation for areas with high relative
humidity
Do not use dry preservation in areas with high relative
humidity (in the tropics, near the sea) due to the spe-
cial installation conditions that prevail in these areas.
Detailed information
■
Operating instructions for preservation on the
water and hot gas side
■
Datasheets of the VdTÜV, no. MB TECH
1466, dated 2014-01, and the VGB, no.
R116H, dated 2009
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 (see contact details)
–
Other authorised contractors
Preventing excessive flue gas temperatures
Excessively high flue gas temperatures make the
system less efficient
Cause of fault Remedy
Altered burner
adjustment
Adjust the burner correctly
Contaminated
boiler system
Clean the boiler system
Tab. 16
Recommendation
Continuous monitoring of the flue gas temperature
using a flue gas thermometer.
Shutdown and preservation
Shutdown (cont.)
5837984
Operation
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