11Instructions for the InstallerEngineers technical dataBURNER ULTRA-RAPID SEMI-RAPID AUXILIARY(triple crown) (medium) (small)POSITION M A X MIN M A X MIN M A X MINNOMINAL THERMALPOWER (kW) 3.8 1.20 1.9 0.45 1.0 0.33NOMINAL FLOWRATE (m 3 /h) 0.362 0.114 0.181 0.043 0.095 0.028NOZZLE REFERENCE 146 Adjust. 96 Adjust. 70 Adjust.(1/100 mm)NOMINAL THERMALPOWER (kW) 3.8 1.20 1.9 0.45 1.0 0.33NOMINAL FLOWRATE (g/h) 274 86 137 32.4 72 23.8NOZZLE REFERENCE 98 40 71 32 50 28(1/100 mm)NATURAL GAS20 mbarVALUE =37.78 MJ/m 3Ws - 50.7 MJ/ m 3TYPE OF GASLPG GAS28-30/37 mbarVALUE =49.92 MJ/KgBurner Dia. Tap By-pass1/100 mmAuxiliary 28Semi-rapid 32Ultra-rapid 56Aeration adjustment noneSupply ConnectionsGas: RC 1/2 inch (1/2 inch male) Rear righthand cornerElectric: 230-240V 50Hz supply, 3 core flexiblecable with non rewireable plug fitted with a 3 ampcartridge fuse.Ignition HT SparkSpark Generator: Ispra Control's BF 50066 -230-240V 0.6 YA T120Spark Gap : FixedOverall dimensionsWidth: 680 mm.Depth: 510 mm.Cut out dimensionsWidth: 560 mm.Depth: 480 mm.Heat InputUltra-rapid Burner 3.8 kW Natural Gas(Triple crown) (12,966 BTU/HR)3.8 kW L.P.G.(12,966 BTU/HR)Semi-rapid Burner 1.9 kW (6,483 BTU/HR)Auxiliary Burner 1.0 kW (3,412 BTU/HR)Appliance class 3Appliance category II2H3+Gas supply Natural gas G20 / 20mbarInstructions for the Installer