32 Technical data 200-250kW modules Dimensions 200-250kW modules Note: All dimensions in mm unless otherwise stated. Minimum boiler to boiler spacing Minimum clear Flue Ø250 180 700 50 1450 2200 750 750 38 Flu A 700 Flow R2-11 Return R2-11 Gas R1 1/4-11 Note: all flow, return and gas connections male Minimum boiler to boiler spacing 1300 Minimum clearances Flue Ø250 400 400 1800* 700 50 1450 2200 750 750 381 Flue 942 2017 A 700 Flow R2-11 Return R2-11 Gas R1 1/4-11 Note: all flow, return and gas connections male 1403 789 Minimum boiler to boiler spacing 1300 Minimum clearances Flue Ø250 400 400 1800* 700 50 1450 2200 750 750 381 Flue 942 2017 A 700 Flow R2-11 Return R2-11 Gas R1 1/4-11 Note: all flow, return and gas connections male 1403 789 Minimum clearances* 1300 1300 400 400 *Note: the rear clearance allows for installation of a Hamworthy pipe kit. If installing a third stack of boilers either an additional 500mm clearance would be required behind the pipe kit or the spacer spool (400mm) would need to be fitted between the second and third boiler stack. Boiler model Units UF200-1 UF400-2 UF600-3 UF250-1 UF500-2 UF750-3 No. of modules 1 2 3 1 2 3 Energy Building regulations Part L seasonal efficiency % gross 96.5 96.5 96.5 94.3 94.3 94.3 Boiler output 80/60°C kW 181.7 363.4 545.1 229.4 458.8 688.2 Boiler output 50/30°C kW 197.9 395.8 593.7 246.9 493.8 740.7 Boiler input gross (maximum) kW 208.9 417.7 626.6 261.9 523.9 785.8 Boiler input nett (maximum) kW 188.1 376.1 564.2 235.9 471.7 707.6 Boiler output 80/60°C (minimum) kW 36.3 36.3 36.3 45.9 45.9 45.9 Water Water content litres 16.2 32.4 48.6 19.8 39.6 59.4 System design flow rate @ 11°C ∆T rise l/s 4.3 8.7 13.0 5.4 10.9 16.3 Water side pressure loss @ 11°C ∆T rise mbar 710 710 710 767 767 767 System design flow rate @ 20°C ∆T rise l/s 2.4 4.8 7.2 3 6.0 9.0 Water side pressure loss @ 20°C ∆T rise mbar 217 217 217 234 234 234 Maximum water pressure barg 6 6 6 6 6 6 Maximum flow temperature setting °C 85 85 85 85 85 85 Minimum flow temperature setting °C 30 30 30 30 30 30 Gas Gas flow rate (maximum) m 3 /hr 19.1 38.2 57.3 25.0 49.9 74.9 Gas inlet pressure - minimum/nominal/maximum mbar 17.5 min / 20.0 nom / 25.0 max Flue Approx flue gas volume @ 72°C , 9.0% CO2 m 3 /hr 314 628 942 394 788 1182 Maximum flue gas temperature @ 80/60°C °C 72 72 72 72 72 72 Pressure available at flue connection Pa 150 150 150 150 130 130 mbar 1.5 1.5 1.5 1.5 1.3 1.3 NOX,pond,Hs (gross) emission (0% excess oxygen, dry air) mg/kWh 33 33 33 35 35 35 NOX Class 6 6 6 6 6 6 Misc. Electrical supply 230V ~ 50Hz 230V ~ 50Hz 230V ~ 50Hz 230V ~ 50Hz 230V ~ 50Hz 230V ~ 50Hz Approx shipping weight kg 220 422 624 247 476 705 Noise emission @1m @max modulation (per module) Max dB (A) 59.7 59.7 59.7 58.5 58.5 58.5 Height to top of flue terminal (A) No. of modules mm 3 1990 2 1376 BOILERS Side Rear
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