4
Concord CX - Installation
Boiler CX 40 CX 50 CX 60 CX 70 CX 80 CX 90 CX 100
Number of sections 3445566
Boiler Input Nett kW 47.3 56.3 67.7 79.2 90.7 102.3 112.6
Btu/h (x 1000) 161.4 192.1 230.9 270.3 309.6 349.0 384.2
Gross kW 52.5 62.5 75.1 87.93 100.7 113.5 125.0
Btu/h (x 1000) 179.1 213.3 256.2 300 343.6 387.3 426.5
Boiler output to water kW 42.0 50.0 60.08 70.34 80.56 90.8 100.0
Btu/h (x 1000) 143.3 170.6 205.0 240.0 274.9 309.8 341.2
Gas rate m
3
/h 5.0 5.96 7.16 8.38 9.6 10.82 11.91
(ft
3
/h) (176.6) (210.5) (252.9) (295.9) (339.0) (382.1) (420.6)
Approximate 4.5% CO
2
&100°C. 44 52 63 73 84 94 104
flue gas volume dm
3
/s
in the secondary
flue of the chim- 4.5% CO
2
& 212°F. 93 110 133 155 178 199 220
ney system ft.
3
m
Manifold setting pressure mbar 11.7 10.5 12.2 10.4 10.3 11.2 11.5
(in.w.g.) (4.7) (4.2) (4.9) (4.2) (4.1) (4.5) (4.6)
Seasonal efficiency (SEDBUK)* [72.0]% [72.4]% [73.5]% [72.6]% [73.2]% [73.4]% [73.8]%
Table 1- Performance Data
Boiler CX 40 CX 50 CX 60 CX 70 CX 80 CX 90 CX 100
Number of sections 3445566
Flow tappings Rc (in. BSP) 2 x 2 at rear
Return tappings Rc (in. BSP) 2 x 2 at rear
Maximum static head metres (feet) 45.7 (150)
Maximum pressure bar (p.s.i.) 4.5 (65)
Gas inlet connection Rc (in. BSP) 3/4 (3/4) 1 (1 )
Minimum dynamic mbar gauge 15.0 15.0 16.2 15.0 15.0 15.0 15.4
gas pressure required
at the boiler inlet (in.w.g.) (6.0) (6.0) (6.5) (6.0) (6.0) (6.0) (6.2)
Electricity supply 230 Volts- single phase, 50 Hz, fuse 5 A
Nominal flue size (to BS. 835) mm 150 150 175 175 200 200 200
(in.) (6) (6) (7) (7) (8) (8) (8)
Diverter outlet socket mm 184 184 213 213 238 238 238
internal diameter (in.) (7.3) (7.3) (8.4) (8.4) (9.4) (9.4) (9.4)
Length of burner bars (overall) mm 377 497 497 617 617 737 737
(in) (14.8) (19.5) (19.5) (24.3) (24.3) (29.0) (29.0)
Main burner injectors (3 off) size, mm 3.4 3.82 4.12 4.57 4.86 5.2 5.3
Approximate dry weight kg 210 265 265 330 330 395 395
(lb.) (463) (584) (584) (727) (727) (871) (871)
Water content litre 22 30 30 37 37 45 45
(gal.) (4.8) (6.6) (6.6) (8.2) (8.2) (9.9) (9.9)
Table 2 - General Data
Note. To obtain gas consumption, divide gross heat input (kW) by a calorific value of 37.8 (MJ/m
3
)
GENERAL
*The value is used in the UK government's Standard Assessment Procedure (SAP) for energy rating of dwellings.
The test data from which it has been calculated have been certified by BGplc 0087.