Page 101 - Demo

P SeriesPressure JetOur range of three-pass cast iron sectional boilers, perfect for use with gas and dual fuel through a pressure jet burner for commercial and industrial applications.Technical information 9section10section11section12section13section14sectionProduct codes (boiler only) P42009 P42010 P42011 P42012 P42013 P42014Nominal heat output central heating operation @ 80/60%u00b0C (kW) (max)450 540 600 670 720 780Nominal flow rate @ 20%u00b0C %u0394T (l/s) 5.38 6.45 7.17 8.0 8.6 9.32Efficiency %u2013 full load 100% NCV (ave.) 88 88 88 88 88 88Seasonal efficiency GCV (average) 82.2 82.2 82.2 82.2 82.2 82.2Flue (conventional connection)Flue diameter (mm) I/D 250 250 300 300 300 300Chamber resistance (mbar) +1.5 +2.0 +2.5 +2.5 +2.5 +3.5Flue gas flow rate (kg/h) gas 810 972 1,080 1,207 1,297 1,450Flue gas flow rate kg/h oil (full output 80/60%u00b0C)750 900 1,000 1,116 1,200 1,405Average flue gas temperature boiler temperature 80%u00b0C<220 <220 <220 <220 <220 <220Technical information 13section15section17section19section21section23section25sectionProduct codes (boiler only) P52013 P52015 P52017 P52019 P52021 P52023 P52025Nominal heat output central heating operation @ 80/60%u00b0C (kW) (max)754 870 986 1,102 1,218 1,334 1,450Nominal flow rate @ 20%u00b0C %u0394T (l/s) 9.01 10.39 11.78 13.16 14.55 15.93 17.32Efficiency %u2013 full load 100% NCV (ave.) 90.7 90 90 90 90 90 90Seasonal efficiency GCV (average) 84.1 84.3 84.3 84.5 84.5 84.2 84.8Flue (conventional connection)Flue diameter (mm) I/D 350 400 400 400 Max 500 x 700mm#Max 500 x 700mm#Max 500 x 700mm#Chamber resistance (mbar) +2.2 +2.4 +2.6 +2.85 +3.1 +3.3 +3.5Flue gas flow rate (kg/h) gas 1,120 1,280 1,440 1,590 1,750 1,910 2,070Flue gas flow rate kg/h oil (full output 80/60%u00b0C)1,070 1,220 1,370 1,520 1,670 1,820 1,970Average flue gas temperature boiler temperature 80%u00b0C<190 <190 <190 <190 <190 <190 <190P Series P420P Series P520Gas boilers 101