Viessmann VITODENS 222-F Installation And Service Instructions Manual page 22

Commissioning, inspection, maintenance
Steps - commissioning, inspection and...
Commissioning steps
Inspection steps
Maintenance steps
• •
21. Checking the condensate drain and cleaning the
siphon.............................................................................. 38
•
22. Checking the neutralising system (if installed)
•
23. Checking the anode connection................................... 38
•
24. Testing the anode earth current with an anode tester 39
•
25. Draining the boiler on the DHW side............................ 41
•
26. Cleaning the primary store............................................ 42
•
27. Checking and replacing the magnesium anode (if
required).......................................................................... 43
•
28. Returning the primary store into use............................ 43
• •
29. Checking the diaphragm expansion vessel and
system pressure............................................................. 44
•
30. Checking the pre-charge pressure and the DHW
expansion vessel (if installed)....................................... 45
• • •
31. Checking the function of safety valves
• • •
32. Checking electrical connections for tightness
• • •
33. Checking all gas equipment for tightness at operating
pressure........................................................................... 45
• •
34. Checking the combustion quality................................. 45
• • •
35. Checking the external LPG safety valve (if installed)
•
36. Matching the control unit to the heating system ........ 47
•
37. Adjusting the heating curves (only for weather-
compensated control units)........................................... 53
•
38. Connecting the control unit to the LON system (only
for weather-compensated control units)...................... 56
•
39. Scanning and resetting the "Service" display............. 58
• • •
40. Fitting the front panels................................................... 60
•
41. Instructing the system user........................................... 60
22
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