4
10.2.5 Domestic hot tap water does not reach the correct temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
10.2.6 Burner ignites loudly .........................................................................................................74
10.2.7 Burner resonates .............................................................................................................75
10.3 Notifications .................................................................................................................75
11 Maintenance 76
11.1 Annual service procedure .....................................................................................................76
11.2 Annual service continued (syphon maintenance). ..............................................................................76
11.3 Annual service continued (internal maintenance) ..............................................................................78
11.3.1 Annual service continued (cleaning) ...........................................................................................78
11.4 Annual service (re-assemble) ..................................................................................................79
11.5 Annual service checklist ......................................................................................................80
12 Technical specifications 81
12.1 Electrical schematic ..........................................................................................................82
12.2 Product Fiche according to CELEX-32013R0811, Appendix IV ....................................................................84
12.3 NTC resistances ..............................................................................................................84
13 Spares short list 85
15 Benchmark Commissioning & Warranty Validation Service record 87
To be completed at each annual service, not subsequent.