Boiler Specification - Glow-worm Ultracom 24cxi Installation And Servicing

BOILER SPECIFICATION

Lift weight
Total weight (installed)
Gas connection Ø O.D.
Heating flow and return connection Ø O.D.
Domestic hot water connection Ø O.D.
Condensate connection Ø I.D.
Safety valve discharge connection Ø O.D.
Heating circuit safety valve (preset)
Heating system minimum pressure
Maximum domestic hot water circuit
Minimum working pressure to obtain
maximum domestic flow
Minimum working pressure to obtain
domestic hot water
Specific water rate at 35 rise
Minimum flow rate around the
central heating circuit at 35 rise
Maximum domestic hot water temperature
Expansion vessel capacity
Expansion vessel charge pressure
Electrical supply
Electrical rating
EN60529 IP clasification
Internal fuse rating on main PCB
Gas supply (governed meter only)
Gas category
Inlet gas working pressure
Burner % CO 2 case on
Burner % CO 2 case off
Approximate CH max. gas rate
after 10 mins. from cold
Approximate CH min. gas rate
after 10 mins. from cold
Flue type
NOx
Heat output condensing mode
Heat input Nett Q = kW
Heat output P = kW
SEDBUK rating
1 Boiler Specification
24cxi
40kg (88Ib)
44kg (97Ib)
15mm. copper
22mm. copper
15mm. copper
21.5mm. plastic
15mm. copper
3 bar (43/5Ibf/in 2 )
0.7bar (10.1Ibf/in 2 )
10bar (145Ibf/in 2 )
1bar (14.5Ibf/in 2 )
0.2bar (2.9Ibf/in 2 )
9.8L/min.
776L/hr.
62
8 litres (1.76 gallons)
0.5bar (7,3Ibf/in 2 )
230V~50Hz fused 3A
180W fused 3A
IPX4D
2A
G20 - Natural Gas
II
2H3P
20mbar
9.3 nominal
9.1 nominal
1.94 m 3 /h
68.4 ft 3 /h
0.53 m 3 /h
18.7 ft 3 /h
C13, C33, C43, C53
Class 5
20.02kW
DHW max. 24.12 min. 5
CH max. 18.31 min. 5
DHW max. 24.00 min. 4.95 DHW max. 30.00 min. 4.95 DHW max. 38.22 min. 6.62
CH max. 18.00 min. 4.95
Band A 90.3%
30cxi
41kg (91Ib)
45kg (99Ib)
15mm. copper
22mm. copper
15mm. copper
21.5mm. plastic
15mm. copper
3 bar (43/5Ibf/in 2 )
0.7bar (10.1Ibf/in 2 )
10bar (145Ibf/in 2 )
1bar (29.0Ibf/in 2 )
0.2bar (2.9Ibf/in 2 )
12.3L/min.
1032L/hr.
62
8 litres (1.76 gallons)
0.5bar (7,3Ibf/in 2 )
230V~50Hz fused 3A
180W fused 3A
IPX4D
2A
G20 - Natural Gas
II
2H3P
20mbar
9.3 nominal
9.1 nominal
2.45 m 3 /h
86.3 ft 3 /h
0.53 m 3 /h
18.7 ft 3 /h
C13, C33, C43, C53
Class 5
24.7kW
DHW max. 30.15 min. 5 DHW max. 38.42 min. 6.7
CH max. 23.12 min. 5 CH max. 30.15 min. 6.7
CH max. 22.94 min. 4.95 CH max. 30.00 min. 6.62
Band A 90.3%
38cxi
44kg (97lb)
47kg (103.5lb)
15mm. copper
22mm. copper
15mm. copper
21.5mm. plastic
15mm. copper
3 bar (43/5Ibf/in 2 )
0.7bar (10.1Ibf/in 2 )
10bar (145Ibf/in 2 )
2.5bar (36.25Ibf/in 2 )
0.2bar (2.9Ibf/in 2 )
15.5L/min
1289L/hr.
62
8 litres (1.76 gallons)
0.5bar (7,3Ibf/in 2 )
230V~50Hz fused 3A
180W fused 3A
IPX4D
2A
G20 - Natural Gas
II
2H3P
20mbar
9.0 nominal
8.8 nominal
3.19 m 3 /h
113 ft 3 /h
0.71 ft 3 /h
25 ft 3 /h
C13, C33, C43, C53
Class 5
32.2kW
Band A 90.4%
7