Operating instructions
For further instructions on individual steps, see pages indicated
Commissioning steps
Inspection steps
Maintenance steps Page
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• 1. Filling the heating system .................................................
7
• 2. Ve nting the boiler..................................................................
8
• 3. Ve nting the heating system ...............................................
8
• 4. Filling the siphon with water .............................................
9
• 5. Checking the electrical mains connection
• 6. Language selection (if required) - only for the
weather-compensated control units
..............................
9
••• 7. Pivot the control unit down to carry out
commissioning and maintenance work
........................
10
••• 8. Function sequence a nd possible faults .......................
10
••9. Checking the gas type .........................................................
12
• 10. Changing the gas ty pe (see separate installati on
instructions)
••• 11. Checking static and supply pressure ...........................
13
••• 12. Checking the CO2 settings ................................................
15
• 13. Setting the max. output ......................................................
17
••• 14. Check all connections on the primary and DHW
side for leaks
••• 15. Checking the burner (recording values on page
120 of the commissioning report)
• 16. Checking the balanced flue system for soundness
(annular gap check)
.............................................................
18
•• 17. Removing the burner and checking the burner
gasket (replace ga sket every two years )
......................
19
•• 18. Checking the burner gauze assembly ...........................
20
•• 19. Checking and adjusting the ignition and ionisation
electrodes
................................................................................
21
Steps - initial start-up, inspection and maintenance
5
Initial start-up, inspection, maintenance
5692 548 GB