Viessmann Vitocal 252-A Series - Page 95

95
Commissioning steps
Inspection steps
Maintenance steps Page
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1. Compiling reports.............................................................................................................. 96
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2. Only types ...A16 to A19: Removing the compressor transport bracket...................... 96
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3. Commissioning the system............................................................................................... 97
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4. Filling the system............................................................................................................... 106
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5. Building up the system pressure...................................................................................... 110
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6. Venting the system............................................................................................................. 111
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7. Opening the heat pump..................................................................................................... 112
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8. Checking the expansion vessel and system pressure................................................... 112
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9. Filling and venting the DHW cylinder on the DHW side................................................. 113
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10. Testing the anode connection........................................................................................... 113
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11. Checking the anode earth current with an anode tester................................................ 114
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12. Checking the protective magnesium anode.................................................................... 114
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13. Replacing the protective magnesium anode................................................................... 114
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14. Draining the appliance on the DHW side......................................................................... 114
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15. Checking all connections on the heating water and DHW sides for leaks................... 116
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16. Releasing the outdoor unit transport bracket................................................................. 116
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17. Testing the refrigerant circuit............................................................................................ 117
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18. Cleaning the filter in the ball valve................................................................................... 119
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19. Checking that the fan in the outdoor unit can run freely............................................... 120
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20. Cleaning the outdoor unit heat exchanger (evaporator)................................................ 120
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21. Cleaning the condensate pan and condensate drain..................................................... 121
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22. Cleaning the DHW cylinder............................................................................................... 122
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23. Checking the indoor unit electrical connections for firm seating................................. 124
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24. Checking the outdoor unit electrical connections for firm seating...............................124
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25. Resetting the high limit safety cut-out............................................................................. 125
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26. Setting max. flow rate manually........................................................................................125
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27. Closing the heat pump.......................................................................................................125
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28. Checking the heat pump for noise................................................................................... 126
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29. Adjusting the heating curve.............................................................................................. 126
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30. Naming the heating/cooling circuits................................................................................ 126
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31. Entering the contractor's contact details.........................................................................127
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32. Instructing the system user.............................................................................................. 127
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
6222080