Viessmann VITOCROSSAL 300 Service Instructions Manual page 7

Steps - commissioning, inspection and maintenance
For further information regarding the individual steps, see the page indicated
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Commissioning steps
Inspection steps
Maintenance steps
1. Checking the high limit safety cut-out setting.............
2. Filling the heating system with water and venting......
3. Fully opening the rotary damper in the flue outlet and
securing it........................................................................
4. Commissioning the system...........................................
5. Minimising pulsation noise............................................ 10
6. Shutting down the system............................................. 11
7. Opening the boiler door................................................. 11
8. Separating the neutralising system from the heat
exchanger module and connecting the drain hose..... 12
9. Cleaning the combustion chamber and heating
surfaces........................................................................... 12
10. Checking gaskets and thermal insulation
components.................................................................... 13
11. Checking all connections and the sensor well on the
heating water side for tightness.................................... 15
12. Checking the function of the safety equipment........... 16
13. Expansion vessel and system pressure ...................... 16
14. Cleaning the sight glass in the boiler door.................. 18
15. Closing the boiler door.................................................. 18
16. Checking the thermal insulation................................... 18
17. Checking the water quality............................................ 18
18. Cleaning and reconnecting the condensate drain
system............................................................................. 19
19. Checking the installation room ventilation
20. Checking the flue system for tightness
21. Adjusting the burner...................................................... 20
Commissioning, inspection, maintenance
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