Steps - Commissioning, Inspection And Maintenance - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

Commissioning steps
Inspection steps
Maintenance steps
• • •
1. Filling the heating system................................................................................................. 19
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2. Filling the loading cylinder on the DHW side.................................................................. 20
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3. Venting the boiler by flushing........................................................................................... 20
• • •
4. Converting the gas type ................................................................................................... 21
• • •
5. Checking the static pressure and supply pressure........................................................ 22
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6. Reducing the maximum heating output........................................................................... 23
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7. Matching the circulation pump rate to the heating system............................................ 23
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8. Matching the burner output to the flue system............................................................... 24
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9. Burner adjustment when connecting multiple flues to a shared flue system.............. 25
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10. Checking the CO
• • 11. Removing the burner ........................................................................................................ 31
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12. Checking the burner gasket and burner gauze assembly.............................................. 32
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13. Checking and adjusting the electrode............................................................................. 32
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14. Cleaning the heat exchanger............................................................................................ 33
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15. Checking the condensate drain and cleaning the trap................................................... 34
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16. Installing the burner .......................................................................................................... 34
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17. Checking the diaphragm expansion vessel and system pressure................................ 35
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18. Checking the safety valve function
• • •
19. Checking all connections on the heating water and DHW sides for leaks
• • •
20. Checking the flue system for unrestricted flow and tightness
• • •
21. Checking the firm seating of electrical connections
• • •
22. Checking all gas equipment for tightness at operating pressure ................................ 36
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23. Fitting the front panel........................................................................................................ 36
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24. Setting display backlighting for standby......................................................................... 36
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25. Setting the display contrast.............................................................................................. 37
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26. Setting the signal tone for display operation.................................................................. 37
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27. Instructing the system user.............................................................................................. 37
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content................................................................................................. 29
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