Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance - Viessmann VITOCROSSAL CRU 800 kW Service Instructions Manual

Steps - commissioning, inspection and maintenance
Commissioning steps
Inspection steps
Maintenance steps
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1. Filling the heating system with water and venting.........................................................
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2. Filling the trap with water..................................................................................................
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3. Commissioning the system...............................................................................................
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4. Checking the flue gas damper.......................................................................................... 10
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5. Checking the gas type....................................................................................................... 10
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6. Opening the boiler.............................................................................................................. 11
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7. Conversion to natural gas E.............................................................................................. 12
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8. Conversion to LPG P......................................................................................................... 13
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9. Reducing the heating output (if required)........................................................................ 14
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10. Checking the static pressure and supply pressure........................................................ 15
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11. Checking the CO
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12. Checking the CO content.................................................................................................. 19
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13. Checking the flue gas temperature.................................................................................. 19
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14. Displaying the ionisation current..................................................................................... 19
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15. Shutting down the system................................................................................................. 19
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16. Opening the combustion chamber................................................................................... 19
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17. Cleaning the combustion chamber and heating surfaces............................................. 20
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18. Checking the gaskets and thermal insulation sections................................................. 20
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19. Checking all connections and the sensor well on the heating water side for
tightness............................................................................................................................. 21
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20. Cleaning the condensate drain pipe and trap................................................................. 21
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21. Checking the condensate drain and neutralising system (if installed)......................... 22
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22. Opening the burner door................................................................................................... 23
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23. Checking the burner gauze assembly.............................................................................. 24
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24. Checking the ignition electrodes and ionisation electrode........................................... 24
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25. Cleaning the burner........................................................................................................... 25
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26. Fitting the burner................................................................................................................ 26
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27. Closing the burner door.................................................................................................... 26
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28. Checking the gas train valves for tightness.................................................................... 28
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29. Checking the gas train filter element............................................................................... 28
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30. Checking the filter element in the gas line...................................................................... 29
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31. Checking gas connections for tightness......................................................................... 29
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32. Closing the boiler casing................................................................................................... 30
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33. Checking the gaskets on the flue gas side...................................................................... 30
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34. Performing final checks..................................................................................................... 30
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35. Checking the water quality................................................................................................ 30
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36. Checking the safety valve function
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37. Checking the expansion vessel ....................................................................................... 30
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38. Checking the mixer for ease of operation and leaks...................................................... 31
content................................................................................................. 16
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Commissioning, inspection, maintenance
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