Hamworthy Stratton

Hamworthy S2-40 40kW Stratton MK2

Units S2-40
Energy
Building regulations Part L seasonal efficiency % gross 95.75
SAP 2009 Annual efficiency % 89
ErP efficiency rating (modules ≤ 70 kW only) A
Boiler output – maximum 80/60°C, NG & LPG.* kW 40
Boiler output – maximum 50/30°C, NG & LPG.* kW 43
Boiler output – minimum 80/60°C, Nat Gas. kW 8.3
Boiler output – minimum 80/60°C, LPG kW 8.3
Boiler input (gross) – maximum, NG & LPG.* kW 45.7
Boiler input (nett) – maximum, NG & LPG.* kW 41.2
Standby losses W 42
Water
Water content litres 3.6
System design flow rate @ 25°C ΔT rise l/s 0.4
Water side pressure loss @ 25°C ΔT rise mbar 205
System design flow rate @ 20°C ΔT rise l/s 0.5
Water side pressure loss @ 20°C ΔT rise mbar 320
System design flow rate @ 11°C ΔT rise l/s 0.9
Water side pressure loss @ 11°C ΔT rise mbar 1058
Minimum water pressure barg 1
Maximum water pressure barg 4
Maximum flow temperature setting °C 85
Gas
Gas flow rate, NG (G20) – maximum m³/hr 4.4
Maximum gas inlet pressure, Nat Gas mbar 25
Nominal gas inlet pressure, Nat Gas mbar 20
Minimum gas inlet pressure, Nat Gas mbar 17
Gas flow rate, LPG (G31) – maximum m3/hr 1.7
Nominal gas inlet pressure, LPG mbar 37.5
Flue
Maximum flue gas temperature @ 80/60°C Nat Gas °C 80
Pressure at boiler flue spigot @ 80/60°C Nat Gas Pa 156
Maximum flue gas temperature @ 80/60°C LPG °C 81
Pressure at boiler flue spigot @ 80/60°C LPG Pa 126
Dry NOx emission (0% excess oxygen, mg/kWh dry air free) mg/kWh 36
Electrics
Electrical supply 230 V 1 Ph 50 Hz
Power consumption – maximum boiler modulation W 68
Start current (per module) Amp 1.2
Run current (per module) Amp 0.3
Approx shipping weight kg 50
Noise emission @1m: @maximum modulation dB (A) 57.4
Noise emission @1m: @minimum modulation dB (A) 34.3
*(S2-120 & S2-150 models Nat Gas only.)