3
24/28/bi
24/28/bi
24/28/bi
24/28/bi
24/28/bi
SECTION 2
TECHNICAL DATA
Ref. Condition 15 °C , 1013,25 mbar, dry gas
NOTE: L.P.G. data refer to section 10
2.1 Central heating
Heat input (kW)
26.3
30.5
Heat output (max)
24.0
27.6
Heat output (min)
9.4
10.5
Minimum working pressure
0.5 bar
Maximum working pressure
3.0 bar
Minimum flow rate
350 l/h
2.2 Gas pressures
Inlet pressure G20
20.0 mbar
Maximum burner pressure
10.1 mbar
11.3 mbar
Minimum burner pressure
1.9 mbar
2.25 mbar
Gas rate
2.78 m
3
/h
3.23 m
3
/h
Injectors size
12 x 1.35 mm
13 x 1.35 mm
2.3 Expansion vessel
Capacity
8 litres
Maximum system volume
91 litres
Pre-charge pressure
1.0 bar
2.4 Dimensions
Height
810 mm (1223 box)
810 mm (1223 box)
Width
450 mm (654 box)
450 mm (654 box)
Depth
250 mm (257box)
250 mm (257box)
Dry weight
35 kg - 31 kg
35 kg - 31 kg
2.5 Clearances
Sides
12 mm
Top
150 mm from casing or 25 mm above flue elbow, whichever is applicable
Bottom
150 mm
Front
600 mm
2.6 Connections
Flow & return
22 mm (compression)
Gas
15 mm (compression)
Safety valve
15 mm copper
2.7 Electrical
Voltage
230V/~ 50hz
Power consumption
125 W
Internal fuse
2 AL
External fuse
3 A
2.8 Flue details (concentric)
Maximum horizontal flue length (concentric)
1.0 m
1.0 m
Maximum vertical flue length (concentric)
1.0 m
1.0 m
Maximum twin flue length (horizontal ir vertical)
20m/20m + terminal
14,5m/14,5m + terminal
2.9 Emissions
NOx (max-min) PPM
140 - 110
140 - 110
CO (max-min) PPM
100 - 130
80 - 150
CO
2
(max-min) %
6.95 - 2.60
6.80 - 2.60
CO/CO
2
ratio (max)
0.0014 to 1
0.0011 to 1
CO/CO
2
ratio (min)
0.005 to 1
0.0057 to 1
24-24 bi
24-24 bi
24-24 bi
24-24 bi
24-24 bi
28-28 bi
28-28 bi
28-28 bi
28-28 bi
28-28 bi