10
Commissioning steps
Inspection steps
Maintenance steps Page
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1. Filling the heating system and checking the supply of ventilation air......................... 11
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2. Checking the power supply
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3. Changing the language (if required)................................................................................. 11
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4. Setting the time and date (if required).............................................................................. 12
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5. Naming heating circuits..................................................................................................... 12
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6. Checking the gas type....................................................................................................... 12
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7. Removing the front panel.................................................................................................. 13
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8. Function sequence and possible faults........................................................................... 13
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9. Testing the static and supply pressure............................................................................ 14
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10. Setting the maximum heating output............................................................................... 15
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11. Checking the combustion chamber pressure switch..................................................... 16
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12. Removing the burner and checking the burner gasket.................................................. 18
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13. Checking the burner gauze assembly and thermal insulation block............................ 21
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14. Checking and adjusting the ignition and ionisation electrodes.................................... 24
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15. Cleaning the combustion chamber and heating surfaces............................................. 24
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16. Cleaning the condensate drain system............................................................................ 25
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17. Cleaning the neutralising system (if installed)................................................................ 26
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18. Checking the condensate drain and neutralising system (if installed) for
obstructions and leaks...................................................................................................... 27
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19. Checking the gaskets and thermal insulation sections on the boiler side................... 27
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20. Checking the flue gas damper and flue gas header....................................................... 28
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21. Checking the expansion vessel and system pressure................................................... 29
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22. Checking the water quality................................................................................................ 29
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23. Checking the mixer for ease of operation and leaks...................................................... 29
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24. Checking all connections on the heating water and DHW sides for leaks
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25. Checking the safety valve function
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26. Installing the burner........................................................................................................... 29
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27. Checking the firm seating of electrical connections
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28. Checking all gas equipment for tightness at operating pressure................................. 29
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29. Checking the combustion quality..................................................................................... 30
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30. Checking the ventilation air apertures in the installation room (only for open flue
operation)
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31. Matching the control unit to the heating system............................................................ 31
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32. Adjusting heating curves.................................................................................................. 31
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33. Connecting the control unit to the LON........................................................................... 33
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34. Calling up and resetting the "Service" display............................................................... 34
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35. Mounting the front panel................................................................................................... 35
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36. Instructing the system user.............................................................................................. 35
Commissioning, inspection, maintenance
Steps – commissioning, inspection and maintenance
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