Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 33

Steps - commissioning, inspection and maintenance
Commissioning steps
Inspection steps
Maintenance steps
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21. Checking the burner gasket and burner gauze
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22. Checking and adjusting the ignition and ionisation
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23. Cleaning the heating surfaces....................................... 52
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24. Checking the condensate drain and cleaning the
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25. Installing the burner....................................................... 55
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26. Checking the neutralising system (if installed)
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27. Checking the anode connection................................... 56
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28. Checking the anode earth current with an anode
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29. Draining the boiler on the DHW side............................ 58
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30. Cleaning the primary store............................................ 59
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31. Checking and replacing the magnesium anode (if
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32. Re-assembling and filling the primary store................ 60
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33. Checking the expansion vessel and system pressure 61
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34. Checking the pre-charge pressure and the DHW
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35. Checking the function of safety valves
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36. Checking firm seating of electrical connections
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37. Checking all gas equipment for tightness at operating
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38. Checking the combustion quality................................. 63
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39. Checking the external LPG safety valve (if installed)
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40. Matching the control unit to the heating system......... 64
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41. Adjusting the heating curves (only for weather-
Commissioning, inspection, maintenance
assembly......................................................................... 51
electrodes........................................................................ 52
siphon.............................................................................. 53
tester................................................................................ 56
required).......................................................................... 60
expansion vessel (if installed)....................................... 62
pressure........................................................................... 62
compensated control units)........................................... 70
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