TECHNICAL DATA
TECHNICAL DATA
5
Ultracom
cxi
2
Boiler, type C13, C33, C43, C53
Description
Gas category
SEDBUK rating
Heating
Maximum heating input power
Minimum heating output
power at 80/60°C (P min.)
Maximum heating output
power at 80/60°C (P max.)
Minimum heating output
power at 50/30°C (P min.)
Maximum heating output
power at 50/30°C (P max.)
Minimum heating temperature
Maximum heating
temperature
Content of heating expansion
vessel
gallons
Heating expansion vessel
preset pressure
Maximum heating system
volume (approx)
Heating safety valve preset
pressure (PMS)
lbf/in²
Domestic Hot Water
Minimum DHW output power
(P min.)
Maximum DHW output power
(P max.)
Maximum DHW temperature
EN 13203
Minimum inlet water pressure
Maximum inlet water pressure
Combustion
Appliance NOx class
Electrical
Electrical supply
Standby mode electrical
power
Operational mode electrical
power (Max)
Internal fuse rating on main
PCB
Index of electrical protection
(EN 60529)
- 8 -
Unit
24 cxi
30 cxi
35 cxi
ll
ll
ll
2H3P
2H3P
2H3P
%
90.3
90.3
90.4
kW
18.5
25
30.6
kW
4.9
5.9
8.5
kW
18.2
24.6
30
kW
5.4
6.6
9.3
kW
19.6
26.7
32.8
°C
10
10
10
°C
80
80
80
l/h
400
400
400
l
8
8
8
1.76
1.76
1.76
bar
0.75
0.75
0.75
psi
10.9
10.9
10.9
l
160
160
160
bar
2.5
2.5
2.5
36/3
36/3
36/3
kW
5.1
6.1
8.7
kW
25.5
30.6
35.7
°C
60
60
60
l/min
10.4
12.5
14.6
bar
0.3
0.3
0.3
psi
4.3
4.3
4.3
bar
10
10
10
psi
145
145
145
5
5
5
230V
230V
230V
V/Hz
50Hz
50Hz
50Hz
W
6
6
6
W
151
151
151
A
2
2
2
IPX4D
IPX4D
IPX4D
Description
Unit
Gas connection Ø O.D.
mm
Heating flow and return
mm
connection Ø O.D.
Domestic Hot Water
mm
connection Ø O.D.
Condensate connection Ø I.D.
mm
Safety valve discharge
mm
connection Ø O.D.
Lift weight
Total weight (installed)
Description
Unit
Natural Gas G 20 (15 °C, 1013.25 mbar)
m
m
rate
m
CO2 at Qmax DHW +
"tolerance case ON"
CO2 at Qmax DHW +
"tolerance case OFF"
CO2 at Qmin +
"tolerance case ON"
CO2 at Qmin +
"tolerance case OFF"
Inlet pressure
mbar
Propane Gas G 31 (15 °C, 1013.25 mbar)
kg/h
kg/h
rate
kg/h
CO2 at Qmax DHW +
"tolerance case ON"
CO2 at Qmax DHW +
"tolerance case OFF"
CO2 at Qmin +
"tolerance case ON"
CO2 at Qmin +
"tolerance case OFF"
Inlet pressure
mbar
0020085231_02 - 05/10 - Glow-worm
24 cxi
30 cxi
35 cxi
15
15
15
(copper)
(copper)
(copper)
22
22
22
(copper)
(copper)
(copper)
15
15
15
(copper)
(copper)
(copper)
21.5
21.5
21.5
(plastic)
(plastic)
(plastic)
15
15
15
(copper)
(copper)
(copper)
kg
37
38
38
lb
82
83
84.5
kg
42
43
43
1312
1312
1312
BU
BU
BV
5334
5335
5336
24 cxi
30 cxi
35 cxi
3
2.70
3.24
3.77
/h
3
1.96
2.65
3.24
/h
3
/h
0.54
0.65
0.92
9.2 ±
9.2 ±
9.2 ±
%
0.3%
0.3%
0.3%
9 ±
9 ±
9 ±
%
0.2%
0.2%
0.2%
8.9 ±
8.9 ±
8.9 ±
%
0.3%
0.3%
0.3%
8.7 ±
8.7 ±
8.7 ±
%
0.2%
0.2%
0.2%
20
20
20
1.98
2.38
2.77
1.44
1.94
2.37
0.4
0.47
0.67
10.3 ±
10.3 ±
10.3 ±
%
0.3%
0.3%
0.3%
10.1 ±
10.1 ±
10.1 ±
%
0.2%
0.2%
0.2%
9.8 ±
9.8 ±
9.8 ±
%
0.3%
0.3%
0.3%
9.6 ±
9.6 ±
9.6 ±
%
0.2%
0.2%
0.2%
37
37
37
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