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Table 1 - Performance Data
Boiler
Boiler Input
Gross
Low Rate
Nett
Boiler Input
Gross
High Rate
Nett
Boiler Output
High Rate
Gas rate
High
Approx. flue
At 4.5% CO
gas volume
At 4.5% CO
Burner
High
setting
pressure
Low
Note. To obtain gas consumption in l/s divide gross heat input (kW) by a calorific value of 37.8 (MJ/m
Table 2 - General Data
Boiler
Number of sections
Flow tappings
Return tappings
Maximum static head
Maximum pressure
Gas inlet connection
Minimum dynamic
gas pressure
Electricity supply
Nominal flue size (to BS. 835)
Diverter outlet socket
internal diameter
Length of burner bars (overall)
Approximate dry weight
Water content
Table 3 - Boiler Control specification
Electricity supply
Ignition
Gas valve
Gas safety time
Safety check
Pump
Boiler thermostat
4
CXi 110
kW
86.55
Btu/h x 1000
295.31
kW
77.98
Btu/h x 1000
266.07
kW
137.38
Btu/h x 1000
468.75
kW
123.78
Btu/h x 1000
422.34
kW
109.91
Btu/h x 1000
375.00
l/s
3.63
cu ft/h
462.10
cu m/sec
0.114
& 100°C
2
cu ft/min
242
& 212°F
2
mbar
10.8
in.w.g.
4.3
mbar
4.3
in.w.g.
1.7
CXi 110
7
Rc
Rc
m. (ft)
bar (psi)
Rc
mbar
17.5
in.
7
mm
250
in.
10
mm
288
in.
11.3
mm
535
in
21.1
kg
520
lb.
1146
litre
53
gal.
11.7
Maximum flow temperature 85
The control de-energises every 4 hours to check internal control functions.
GENERAL
CXi 120
94.63
322.88
85.26
290.91
150.21
512.50
135.33
461.76
120.16
410.00
3.97
505.20
0.125
264
11
4.3
4.3
1.7
CXi 120
7
17.5
7
230 Volts - single phase, 50 Hz, fuse 5 A
250
10
288
11.3
535
21.1
520
1146
53
11.7
o
C
230 V ~ 50 Hz fuse 5A
5 attempts followed by non-volatile lockout
High/Low and Off
Maximum of 10 secs with 5 attempts with 1 minute between attempts.
Pump overrun operates if the flow temperature is greater than 75
The boiler thermostat hysteresis is a maximum of 3
CXi 140
CXi 160
110.79
126.94
378.02
433.12
99.82
114.37
340.59
390.24
175.85
201.49
600.00
687.50
158.44
181.55
540.60
619.44
140.68
161.20
480.00
550.00
4.65
5.33
591.50
677.70
0.146
0.167
309
354
11
10.8
4.3
4.3
4.3
4.3
1.7
1.7
)
3
CX i 140
CXi 160
8
9
2 x 2
2 x 2
45.7 (150)
4.5 (65)
1
1/2
17.5
17.5
7
7
250
250
10
10
288
288
11.3
11.3
535
535
21.1
21.1
587
654
1294
1442
60
68
13
15
Concord CXi -
CXi 180
152.16
519.17
137.10
467.77
227.14
775.00
204.65
698.28
181.71
620.00
6.01
764.00
0.189
399
11
4.3
5
2.0
CXi 180
10
17.5
7
300
12
344
13.5
535
21.1
721
1590
76
17
o
C.
o
C.
Installation
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