Glow-worm Ultracom 2 24cxi User Manual

Supplied By www.heating spares.co Tel. 0161 620 6677
0020085231_02 - 05/10 - Glow-worm
- 8 -
TECHNICAL DATA
5 Ultracom
2
cxi
Boiler, type C13, C33, C43, C53
Description Unit 24 cxi 30 cxi 35 cxi
Gas category ll
2H3P
ll
2H3P
ll
2H3P
SEDBUK rating % 90.3 90.3 90.4
Heating
Maximum heating input power kW 18.5 25 30.6
Minimum heating output
power at 80/60°C (P min.)
kW 4.9 5.9 8.5
Maximum heating output
power at 80/60°C (P max.)
kW 18.2 24.6 30
Minimum heating output
power at 50/30°C (P min.)
kW 5.4 6.6 9.3
Maximum heating output
power at 50/30°C (P max.)
kW 19.6 26.7 32.8
Minimum heating temperature °C 10 10 10
Maximum heating
temperature
°C 80 80 80
Minimum heating ow rate l/h 400 400 400
Content of heating expansion
vessel
l 8 8 8
gallons 1.76 1.76 1.76
Heating expansion vessel
preset pressure
bar 0.75 0.75 0.75
psi 10.9 10.9 10.9
Maximum heating system
volume (approx)
l 160 160 160
Heating safety valve preset
pressure (PMS)
bar 2.5 2.5 2.5
lbf/in² 36/3 36/3 36/3
Domestic Hot Water
Minimum DHW output power
(P min.)
kW 5.1 6.1 8.7
Maximum DHW output power
(P max.)
kW 25.5 30.6 35.7
Maximum DHW temperature °C 60 60 60
Specic ow rate (∆T of 35 K)
EN 13203
l/min 10.4 12.5 14.6
Minimum inlet water pressure
bar 0.3 0.3 0.3
psi 4.3 4.3 4.3
Maximum inlet water pressure
bar 10 10 10
psi 145 145 145
Combustion
Appliance NOx class 5 5 5
Electrical
Electrical supply V/Hz
230V
50Hz
230V
50Hz
230V
50Hz
Standby mode electrical
power
W 6 6 6
Operational mode electrical
power (Max)
W 151 151 151
Internal fuse rating on main
PCB
A 2 2 2
Index of electrical protection
(EN 60529)
IPX4D IPX4D IPX4D
Description Unit 24 cxi 30 cxi 35 cxi
Gas connection Ø O.D. mm
15
(copper)
15
(copper)
15
(copper)
Heating flow and return
connection Ø O.D.
mm
22
(copper)
22
(copper)
22
(copper)
Domestic Hot Water
connection Ø O.D.
mm
15
(copper)
15
(copper)
15
(copper)
Condensate connection Ø I.D. mm
21.5
(plastic)
21.5
(plastic)
21.5
(plastic)
Safety valve discharge
connection Ø O.D.
mm
15
(copper)
15
(copper)
15
(copper)
Lift weight
kg 37 38 38
lb 82 83 84.5
Total weight (installed) kg 42 43 43
Number of CE certicate
1312
BU
5334
1312
BU
5335
1312
BV
5336
Description Unit 24 cxi 30 cxi 35 cxi
Natural Gas G 20 (15 °C, 1013.25 mbar)
Maximum DHW gas ow rate
m
3
/h
2.70 3.24 3.77
Maximum heating gas ow
rate
m
3
/h
1.96 2.65 3.24
Minimum gas ow rate
m
3
/h
0.54 0.65 0.92
CO2 at Qmax DHW +
"tolerance case ON"
%
9.2 ±
0.3%
9.2 ±
0.3%
9.2 ±
0.3%
CO2 at Qmax DHW +
"tolerance case OFF"
%
9 ±
0.2%
9 ±
0.2%
9 ±
0.2%
CO2 at Qmin +
"tolerance case ON"
%
8.9 ±
0.3%
8.9 ±
0.3%
8.9 ±
0.3%
CO2 at Qmin +
"tolerance case OFF"
%
8.7 ±
0.2%
8.7 ±
0.2%
8.7 ±
0.2%
Inlet pressure mbar 20 20 20
Propane Gas G 31 (15 °C, 1013.25 mbar)
Maximum DHW gas ow rate kg/h 1.98 2.38 2.77
Maximum heating gas ow
rate
kg/h 1.44 1.94 2.37
Minimum gas ow rate kg/h 0.4 0.47 0.67
CO2 at Qmax DHW +
"tolerance case ON"
%
10.3 ±
0.3%
10.3 ±
0.3%
10.3 ±
0.3%
CO2 at Qmax DHW +
"tolerance case OFF"
%
10.1 ±
0.2%
10.1 ±
0.2%
10.1 ±
0.2%
CO2 at Qmin +
"tolerance case ON"
%
9.8 ±
0.3%
9.8 ±
0.3%
9.8 ±
0.3%
CO2 at Qmin +
"tolerance case OFF"
%
9.6 ±
0.2%
9.6 ±
0.2%
9.6 ±
0.2%
Inlet pressure mbar 37 37 37
TECHNICAL DATA

Glow-worm Ultracom 2 24cxi Specifications

General

Model	Ultracom 2 24cxi
Category	Boiler
Central Heating Output	24kW
Mounting	Wall-mounted
ERP Rating	A
DHW Output	24kW
Heating Flow Temperature Range	30-80°C
DHW Flow Rate at 40°C Rise	8.6 l/min
DHW Flow Rate at 50°C Rise	6.9 l/min
Warranty	2 years
Expansion Vessel	8 liters
Type	Combi Boiler