Viessmann SH20, Installation And Service Instructions For Contractors

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Commissioning steps
Inspection steps
Maintenance steps Page
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1. Filling the heating system ................................................................................................. 24
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2. Checking all connections on the heating water side for leaks
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3. Switching on the power and starting the commissioning sequence ............................ 25
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4. Selecting the language ...................................................................................................... 25
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5. Loading the standard setting ............................................................................................ 25
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6. Setting the date .................................................................................................................. 25
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7. Setting the time .................................................................................................................. 25
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8. Selecting a burner / an additional boiler .......................................................................... 25
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9. Selecting the connection for heating circuits 1 to 3 ....................................................... 26
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10. Selecting the DHW connection ......................................................................................... 26
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11. Solar connection ................................................................................................................ 26
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12. Changing the heating circuit designations ...................................................................... 26
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13. Checking outputs and actuators ...................................................................................... 26
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14. Lambda probe ..................................................................................................................... 27
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15. Ending commissioning ...................................................................................................... 27
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16. Displaying the menu structure .......................................................................................... 28
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17. Matching the control unit to the heating system ............................................................ 28
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18. Adjusting the heating curves ............................................................................................ 28
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19. Heating up ........................................................................................................................... 30
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20. Shutting down the system ................................................................................................. 30
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21. Checking the function of the safety valves
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22. Checking the function of the thermally activated safety valve ...................................... 31
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23. Checking the installation room ventilation air aperture
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24. Test run ............................................................................................................................... 31
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25. Instructing the system user .............................................................................................. 31
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26. Maintenance and cleaning intervals ................................................................................. 31
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27. Cleaning and calibrating the Lambda probe ................................................................... 33
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28. Cleaning the flue gas fan ................................................................................................... 34
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29. Checking gaskets ............................................................................................................... 34
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
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