Operating instructions
Commissioning steps
Inspection steps
Maintenance steps Page
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• 21. Flow limiter (only for gas combi boilers) . . . . . . . . . . . . . . . . . . . . .
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• • 22. Checking the diaphragm expansion vessel and
system pressure
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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• • • 23. Checking the function of all safety valves
• • • 24. Checking the tightness of electrical connections
• • • 25. Checking all gas equipment for tightness at
operating pressure
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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• • • 26. Flue gas emissions test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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• • • 27. Checking the external LPG safety valve (if
installed)
• 28. Matching the control unit to the heating system . . . . . .
25
• 29. Adjusting the heating curves (only for weather-
compensated control units)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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• 30. Connecting the control unit to the LON system
(only for weather-compensated control units)
. . . . . . . . . .
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• 31. Instructing the system user . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
• 32. Scanning and resetting the "Service" display . . . . . . . . . . .
34
Steps - commissioning, inspection and . . . (cont.)
6
Commissioning, inspection, maintenance
5692 672 GB