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GENERAL
3
Concord CXSi/H - Installation & Servicing
Boiler CXSi 110/H CXSi 120/H CXSi 140/H CXSi 160/H CXSi 180/H
Number of sections 7 7 8 9 10
Flow connections Rc 65 mm (2
1/2") nominal bore. Flange to BS.4504 (PN6)
Return tappings Rc 2 x 2
Maximum static head m. (ft) 61.0 (200)
Maximum pressure bar (psi) 6.0 (87)
Gas inlet connection Rc 1
1/2
Minimum dynamic mbar 17.5 17.5 17.5 17.5 17.5
gas pressure in. 7 7 7 7 7
Electricity supply 230 Volts - single phase, 50 Hz, fuse 5 A
Nominal flue size (to BS. 835) mm 250 250 250 250 300
in. 10 10 10 10 12
Diverter outlet socket mm 288 288 288 288 344
internal diameter in. 11.3 11.3 11.3 11.3 13.5
Length of burner bars (overall) mm 535 535 535 535 535
in 21.1 21.1 21.1 21.1 21.1
Approximate dry weight kg 538 538 608 678 748
lb. 1186 1186 1340 1494 1648
Water content litre 53 53 60 68 76
gal. 11.7 11.7 13 15 17
Boiler CXSi 110/H CXSi 120/H CXSi 140/H CXSi 160/H CXSi 180/H
Boiler Input Gross kW 93.9 102.5 119.5 136.6 153.7
Low Rate Btu/h x 1000 320.5 349.6 407.9 466.1 524.4
Nett kW 84.6 92.3 107.7 123.1 138.5
Btu/h x 1000 288.7 315.0 367.4 419.9 472.4
Boiler Input Gross kW 134.2 146.4 170.8 195.2 219.6
High Rate Btu/h x 1000 457.8 499.4 582.7 665.9 749.1
Nett kW 120.9 131.9 153.8 175.8 197.8
Btu/h x 1000 412.4 449.9 524.9 599.9 674.9
Boiler Output kW 110 120 140 160 180
High Rate Btu/h x 1000 375.3 409.4 477.7 545.9 614.2
Gas rate High m
3
/h 12.78 13.95 16.27 18.59 20.92
ft
3
/h 451.5 492.5 574.6 656.7 738.8
Approx. flue
At 4.5% CO
2
& 100°C m
3
/h 0.112 0.122 0.142 0.163 0.183
gas volume At 4.5% CO
2
& 212°F ft
3
/h 237 259 301 345 388
Burner High mbar 10.4 10.1 9.7 9.6 9.7
setting in.w.g. 4.2 4.0 3.9 3.8 3.9
pressure Low mbar 5.1 4.9 4.8 4.7 4.8
in.w.g. 2.0 2.0 1.9 1.9 1.9
Part load efficiency % 83.0 81.6 82.5 82.9 82.8
Table 1 - Performance Data
Table 2 - General Data
Note. To obtain gas consumption in l/s divide gross heat input (kW) by a calorific value of 37.8(MJ/m
2
)
157294-3.pmd 11/8/2005, 9:58 AM3