Viessmann WB2B Operations Instructions download pdf (Page 6)

Commissioning steps

Inspection steps

Maintenance steps Page

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• 21. Flow limiter (only for gas combi boilers) . . . . . . . . . . . . . . . . . . . . .

• • 22. Checking the diaphragm expansion vessel and

system pressure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• • • 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

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• • • 26. Flue gas emissions test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• • • 27. Checking the external LPG safety valve (if

installed)

• 28. Matching the control unit to the heating system . . . . . .

• 29. Adjusting the heating curves (only for weather-

compensated control units)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• 30. Connecting the control unit to the LON system

(only for weather-compensated control units)

. . . . . . . . . .

• 31. Instructing the system user . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• 32. Scanning and resetting the "Service" display . . . . . . . . . . .

Steps - commissioning, inspection and . . . (cont.)

Commissioning, inspection, maintenance

5692 672 GB

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Viessmann WB2B Operations Instructions Page 6