Viessmann B0KA, Installation And Service Instructions Manual

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Commissioning steps
Inspection steps
Maintenance steps Page
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1. Commissioning the system ............................................................................................... 30
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2. Filling the heating system ................................................................................................. 32
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3. Checking all connections on the heating water and DHW sides for leaks ................... 34
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4. Venting the heating system ............................................................................................... 34
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5. Checking the gas type ....................................................................................................... 34
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6. Removing the front panel .................................................................................................. 35
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7. Checking the static pressure and supply pressure ........................................................ 36
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8. Function sequence and possible faults ........................................................................... 37
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9. Setting the maximum heating output ............................................................................... 38
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10. Performing an actuator test .............................................................................................. 38
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11. Adjusting pump rate of integral circulation pump .......................................................... 38
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12. Leak test on balanced flue system (annular gap check) ................................................ 40
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13. Burner adjustment when connecting multiple flues to a shared flue system .............. 40
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14. Removing the burner ......................................................................................................... 41
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15. Checking the burner gasket and burner gauze assembly .............................................. 42
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16. Checking and adjusting the ignition and ionisation electrodes .................................... 43
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17. Checking the back draught safety devices ...................................................................... 43
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18. Cleaning the heating surfaces .......................................................................................... 44
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19. Checking the condensate drain and cleaning the trap ................................................... 44
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20. Installing the burner ........................................................................................................... 46
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21. Checking the neutralising system (if installed)
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22. Checking the flow limiter (only for gas condensing combi boiler) ............................... 47
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23. Checking the expansion vessel and system pressure ................................................... 47
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24. Checking the safety valve function
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25. Checking the electrical connections for firm seating ..................................................... 48
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26. Checking all gas equipment for leaks at operating pressure ........................................ 48
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27. Fitting the front panel ........................................................................................................ 48
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28. Checking the combustion quality ..................................................................................... 49
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29. Checking the flue system for unrestricted flow and leaks
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30. Matching the control unit to the heating system ............................................................ 50
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31. Adjusting the heating curves ............................................................................................ 50
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32. Instructing the system user .............................................................................................. 50
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
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