2
Concord CXA/H
- Installation and Servicing
GENERAL
CAUTION.
To avoid the possibility of injury during the installation, servicing or cleaning of
this appliance care should be taken when handling edges of sheet steel components.
Boiler
CXA 40/H CXA 50/H CXA 60/H CXA 70/H CXA 80/H CXA 90/H CXA 100/H CXA110/H CXA120/H
Number of sections
3
4
4
5
5
6
6
7
7
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)
61 (200)
Maximum pressure
bar (p.s.i.)
6.0 (87)
Gas inlet connection Rc (in. BSP)
3/4 (3/4)
1 (1 )
Minimum dynamic
mbar
gauge
15.0
15.0
16.5
15.0
16.5
15.5
16.5
17.0
17.5
gas pressure required
at the boiler inlet
(in.w.g.)
(6.0)
(6.0)
(6.6)
(6.0)
(6.6)
(6.2)
(6.6)
(6.8)
(7.0)
Electricity supply
230 Volts- single phase, 50 Hz, fuse 5 A
Nominal flue size (to BS. 835) m m
150
150
175
175
200
200
200
250
250
(in.)
(6)
(6)
(7)
(7)
(8)
(8)
(8)
(10)
(10)
Diverter outlet socket
m m
184
184
213
213
238
238
238
288
288
internal diameter
(in.)
(7.3)
(7.3)
(8.4)
(8.4)
(9.4)
(9.4)
(9.4)
(11.3)
(11.3)
Length of burner bars (overall) m m
377
497
497
617
617
737
737
857
857
(in)
(14.8)
(19.5)
(19.5)
(24.3)
(24.3)
(29.0)
(29.0)
(33.7)
(33.7)
Main burner injectors( 3 off) size, mm
3.4
3.82
4.12
4.57
4.86
5.2
5.3
5.5
56
Approximate dry weight
kg
210
265
265
330
330
395
395
490
490
(lb.)
(463)
(584)
(584)
(727)
(727)
(871)
(871)
(1078)
(1078)
Water content
litre
22
30
30
37
37
45
45
53
53
(gal.)
(4.8)
(6.6)
(6.6)
(8.2)
(8.2)
(9.9)
(9.9)
(11.7)
(11.7)
Table 2 - General Data
* This value is in the UK government's Standard Assessment Procedure (SAP) for energy rating of dwellings.
The test data from which it has been calculated has been certified by Advantica 0087.
Boiler
CXA 40/H CXA 50/H CXA 60/H CXA 70/H CXA 80/H CXA 90/H CXA 100/H CXA 110/H CXA 120/H
Number of Sections
3
4
4
5
5
6
6
7
7
Boiler Input
Gross
kW
48.3
60.3
72.4
84.5
96.5
108.6
120.7
132.7
144.8
Btu/hr x 1000 164.7
205.8
247.0
288.2
329.3
370.5
411.7
452.8
494.0
Nett
kW
43.5
54.3
65.2
76.1
87.0
97.8
108.7
119.6
130.4
Btu/hr x 1000 148.3
185.4
222.5
259.6
296.7
333.8
370.9
408.0
445.0
Boiler Output
kW
40
50
60
70
80
90
100
110
120
Btu/hr x 1000 136.5
170.6
204.7
238.8
273.0
307.1
341.2
375.3
409.4
Gas rate
m
3
/h
4.60
5.75
6.90
8.05
9.20
10.35
11.50
12.64
13.79
ft
3
/h 162.4
203.0
243.6
284.2
324.8
365.4
406.0
446.6
487.1
Approx. flue
4.5% CO
2
&100°C.m
3
/s
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
gas volume
4.5% CO
2
& 212°F. ft.
3
/m
85
106
127
148
170
191
212
233
254
Manifold setting pressure
mbar
9.7
9.8
10.2
10.0
9.3
9.6
10.7
11.1
12.1
in.w.g.
3.9
3.9
4.1
4.0
3.7
3.8
4.3
4.4
4.8
Part load efficiency (Gross)
%
83.5
83.6
83.4
82.4
82.6
83.8
81.9
83.7
85.1
Seasonal efficiency (SEDBUK)*
[79.9]% [79.9]% [79.9]% [79.9]% [79.9]% [79.9]% [79.9]% [79.9]% [79.9]%
Table 1- Performance Data
Note.
To obtain gas consumption in l/s, divide gross heat input in (kW) by a calorific value of 37.8 (MJ/m
3
).
Содержание Concord CXA 40/H
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