Table Of Contents - Viessmann VITOCROSSAL 200 CM2 Service Instructions For Contractors

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