Glow-worm Flexicom 24cx Installation And Servicing

8
1 Technical Information
1.3 Technical Data
All dimensions are given in millimetres (except as noted).
See diagrams 1.1 and Boiler Specification table.
The data label is positioned on the base of the boiler.
12994
BOILER SPECIFICATION 24cx 30cx
Lift weight 36kg (79Ib) 36kg (79Ib)
Total weight (installed) 41kg (90Ib) 41kg (90Ib
Gas connection Ø O.D. 15mm. copper 15mm. copper
Heating and return connection Ø O.D. 22mm. copper 22mm. copper
Domestic hot water connection Ø O.D. 15mm. copper 15mm. copper
Condensate connection Ø I.D. 21.5mm. plastic 21.5mm. plastic
Safety valve discharge connection Ø O.D. 15mm. copper 15mm. copper
Heating circuit PMS safety valve (preset) 3 bar (43/5Ibf/in
2
) 3 bar (43/5Ibf/in
2
)
Heating system minimum pressure 0.7bar (10.1Ibf/in
2
) 0.7bar (10.1Ibf/in
2
)
Domestic water circuit PMW 10bar (145Ibf/in
2
) 10bar (145Ibf/in
2
)
Minimum working pressure for 0.2bar (2.9Ibf/in
2
) 0.2bar (2.9Ibf/in
2
)
maximum domestic flow rate
Specific water rate at 35° rise 9.85L/min. 12.3L/min.
Minimum domestic hot water 776L/hr. 1032L/hr.
flow rate at 35° rise
Maximum domestic hot water temperature 63° 63°
Expansion vessel capacity 8 litres (1.76 gallons) 8 litres (1.76 gallons)
Expansion vessel charge pressure 0.5bar (7,3Ibf/in
2
) 0.5bar (7,3Ibf/in
2
)
Electrical supply 230V~50Hz fused 3A 230V~50Hz fused 3A
Electrical rating 180W fused 3A 180W fused 3A
EN437 IP clasification X4D X4D
Internal fuse rating on main PCB 2A 2A
Gas supply (governed metre only) I
2H
G20 natural gas I
2H
G20 natural gas
Inlet gas working pressure 20mbar 20mbar
Burner % CO
2
case on 9.3 nominal 9.3 nominal
Burner % CO
2
case off 9.3 nominal 9.3 nominal
1.93 m
3
/h 2.59 m
3
/h
68.1 ft
3
/h 91.5 ft
3
/h
1.02 m
3
/h 1.02 m
3
/h
35.9 ft
3
/h 35.9 ft
3
/h
Flue type C13, C33, C53 C13, C33, C53
NOx Class 5 Class 5
Heat output condensing mode 18.8kW 24.9kW
Heat input Nett Q = kW DHW max. 25.5 min. 9.6 DHW max. 30.8 min. 9.6
CH max. 18.3 min. 9.6 CH max. 24.5 min. 9.6
Heat output P = kW DHW max. 25.1 min. 9.5 DHW max. 30.0 min. 9.5
CH max. 18.0 min. 9.5 CH max. 24.0 min. 9.5
Approximate max. gas rate
after 10 mins. from cold
Approximate min. gas rate
after 10 mins. from cold

Glow-worm Flexicom 24cx Specifications

General

Boiler Type	Combi
Fuel Type	Natural Gas
Central Heating Output	24 kW
DHW Flow Rate	9.8 l/min
ErP Efficiency Rating	A
Central Heating Flow Temperature Range	30 - 80°C
Weight	31 kg
Warranty	2 years