Boiler Specification - Glow-worm ULTRACON 18SXI Installation And Servicing Manual

BOILER SPECIFICATION
Lift weight
Total weight (installed)
Gas connection
Heating flow & return connection Ø O.D.
Condensate connection Ø I.D.
Safety valve
Safety valve discharge
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)
Inlet gas working pressure
Burner % CO case on
2
Burner % CO case off
2
Approximate max. gas rate
after 10 mins. from cold
Approximate 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
Table 1. Flow Rate
MODEL MINIMUM FLOW RATE
18sxi
30sxi
This is equal to 20 C differential at maximum heat input.
o
1 Boiler Specification
774 litres/hr.
1289 litres/hr.
18sxi
36kg (80Ib)
41kg (90Ib)
15mm copper
22mm. copper
21.5mm. plastic
2
3 bar (43/5Ibf/in )
15mm. copper
8 litres (1.76 gallons)
2
0.5bar (7,3Ibf/in )
230V~50Hz fused 3A
180W fused 3A
IPX4D
2A
II G20 natural gas
2H3P
20mbar
9.3 nominal
9.1 nominal
3
2.0 m /h
3
71 ft /h
3
0.53 m /h
3
18.7 ft /h
C , C , C
13 33 53
Class 5
20.02kW
max. 18.9 min. 5
max. 18.57 min. 4.95
Band A 90.4%
7
30sxi
39kg (86Ib)
44.5kg (98Ib)
15mm copper
22mm. copper
21.5mm. plastic
2
3 bar (43/5Ibf/in )
15mm. copper
8 litres (1.76 gallons)
2
0.5bar (7,3Ibf/in )
230V~50Hz fused 3A
180W fused 3A
IPX4D
2A
II G20 natural gas
2H3P
20mbar
9.3 nominal
9.1 nominal
3
3.0 m /h
3
107 ft /h
3
0.53 m /h
3
18.7 ft /h
C , C , C
13 33 53
Class 5
30.58kW
max. 28.6 min. 5.3
max. 28.17 min. 5.25
Band A 90.6%