37
925.916.2 - GBINSTRUCTIONS PERTAINING TO THE USER
1. Instructions prior to installation 38
2. Instructions prior to commissioning 38
3. Commissioning of the boiler 39
4. Filling the boiler 45
5. Turning off the boiler 45
6. Prolonged standstill of the system. Frost protection 45
7. Gas change 45
8. Servicing instructions 45
9. General information 46
10. Instructions prior to installation 46
11. Boiler installation 47
12. Boiler size 47
13. Fittings present in the packaging 48
14. Installation of ue and air ducts 48
15. Connecting the mains supply 52
16. Gas change modalities 58
17. Setting the boiler parameters 61
18. Control and operation devices 62
19. Positioning of the ignition and ame sensing electrode 63
20. Check of combustion parameters 63
21. Activating the ue-sweeper function 63
22. Output / pump head performances 64
23. Annual maintenance 64
24. Boiler schematic 65
25. Illustrated wiring diagram 66
26. Technical data 67
Contents
InstruCtIons pertaInIng to the user
InstruCtIons pertaInIng to the Installer