Viessmann B2HF - Commissioning, inspection, maintenance; Steps - commissioning, inspection and maintenance

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Commissioning steps
Inspection steps
Maintenance steps Page
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1. Commissioning the system with the commissioning assistant.................................... 37
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2. Filling the heating system................................................................................................. 41
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3. Topping up the heating water........................................................................................... 43
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4. Checking all connections on the heating water and DHW sides for leaks................... 43
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5. Venting the heating system............................................................................................... 43
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6. Naming the heating circuits.............................................................................................. 44
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7. Entering contact details of heating contractor................................................................ 44
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8. Checking the gas type....................................................................................................... 44
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9. Converting the gas type for operation with LPG............................................................. 44
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10. Removing the front panel.................................................................................................. 45
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11. Moving the programming unit to the maintenance position.......................................... 46
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12. Checking the static pressure and supply pressure........................................................ 46
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13. Function sequence and possible faults........................................................................... 48
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14. Setting the max. heating output........................................................................................ 49
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15. Adjusting the pump rate of the integral circulation pump............................................. 50
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16. Activating screed drying................................................................................................... 51
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17. Leak test on balanced flue system (annular gap check)................................................ 52
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18. Removing the burner......................................................................................................... 52
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19. Checking the burner gasket and burner gauze assembly.............................................. 54
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20. Checking and adjusting the ignition and ionisation electrodes.................................... 55
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21. Checking the back draught safety devices...................................................................... 55
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22. Cleaning the heating surfaces.......................................................................................... 56
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23. Checking the condensate drain and cleaning the trap................................................... 56
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24. Installing the burner........................................................................................................... 58
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25. Checking the neutralising system (if installed)
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26. Checking the flow limiter (only for gas condensing combi boiler)............................... 59
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27. Checking the expansion vessel and system pressure................................................... 59
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28. Checking the safety valve function
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29. Checking the electrical connections for firm seating
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30. Checking all gas equipment for leaks at operating pressure........................................ 60
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31. Fitting the front panel........................................................................................................ 60
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32. Checking the combustion quality..................................................................................... 60
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33. Checking the flue system for unrestricted flow and leaks
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34. Checking the external LPG safety valve (if installed)
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35. Matching the control unit to the heating system............................................................ 62
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36. Adjusting heating curves.................................................................................................. 62
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37. Calling up and resetting the maintenance display.......................................................... 62
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38. Instructing the system user.............................................................................................. 63
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
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