Steps - Commissioning, Inspection And Maintenance - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Steps - commissioning, inspection and maintenance

Commissioning steps
Inspection steps
Maintenance steps
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1. Removing the front panels................................................................................................ 27
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2. Moving the programming unit to the maintenance position.......................................... 27
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3. Commissioning the system............................................................................................... 27
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4. Filling the heating system................................................................................................. 31
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5. Venting the boiler............................................................................................................... 32
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6. Venting the heating system............................................................................................... 33
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7. Filling the DHW cylinder on the DHW side...................................................................... 34
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8. Checking the connections on the heating water and the DHW side............................. 34
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9. Naming the heating circuits.............................................................................................. 34
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10. Checking the gas type....................................................................................................... 34
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11. Converting the gas type (only for operation with LPG).................................................. 35
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12. Checking the static pressure and supply pressure........................................................ 35
• • • 13. Function sequence and possible faults........................................................................... 36
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14. Setting the max. heating output........................................................................................ 37
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15. Activating screed drying................................................................................................... 38
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16. Adjusting the pump rate of the integral circulation pump............................................. 38
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17. Checking the balanced flue system tightness (annular gap check)............................. 40
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18. Removing the burner......................................................................................................... 41
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19. Checking the burner gasket and burner gauze assembly.............................................. 42
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20. Checking and adjusting the ignition and ionisation electrodes.................................... 43
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21. Cleaning the heating surfaces.......................................................................................... 43
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22. Checking the condensate drain and cleaning the trap................................................... 43
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23. Installing the burner........................................................................................................... 45
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24. Checking the neutralising system (if installed)
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25. Checking the anode connection and anode earth current with an anode tester......... 46
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26. Draining the boiler on the DHW side................................................................................ 46
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27. Cleaning the loading cylinder........................................................................................... 47
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28. Checking and replacing the protective magnesium anode (if required)....................... 48
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29. Re-assembling and filling the loading cylinder............................................................... 49
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30. Checking the diaphragm expansion vessel and system pressure................................ 50
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31. Checking the pre-charge pressure and the DHW expansion vessel (if installed)........ 51
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32. Checking the safety valve function
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33. Checking the electrical connections for firm seating
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34. Checking gas equipment for leaks at operating pressure............................................. 51
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35. Checking the combustion quality..................................................................................... 51
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36. Checking the flue system for unrestricted flow and leaks
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37. Checking the external LPG safety valve (if installed)
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38. Matching the control unit to the heating system............................................................ 53
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39. Adjusting heating curves.................................................................................................. 53
Commissioning, inspection, maintenance
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