Viessmann VITODENS 333-F WS3A Service Instructions Manual page 5

Steps - commissioning, inspection and maintenance
For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps
1. Filling the heating system
2. Venting the boiler
3. Venting the heating system
4. Filling the siphon with water
5. Checking all connections on the heating water
side and DHW side for leaks
6. Checking the power supply connection
7. Setting the time and date (if required)
weather-compensated control units
8. Selecting the language (if required)
weather-compensated control units
9. Pivoting down the control unit for commissioning
and maintenance work
10. Checking the gas type
11. Gas type conversion
12. Function sequence and possible faults
13. Checking the static and supply pressure
14. Setting the maximum output
15. Checking the balanced flue system soundness
(annular gap check)
16. Removing the burner and checking the burner
gasket (replace gasket every two years)
17. Checking the burner gauze assembly
18. Checking and adjusting the ignition and ionisation
electrodes
19. Cleaning the combustion chamber/heating
surfaces and fitting the burner
Commissioning, inspection, maintenance
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