3
Compact
SECTION 2 TECHNICAL DATA
Ref. Condition 15 °C , 1013,25 mbar, dry gas
NOTE: L.P.G. data refer to section 10
Compact 24 Compact 28
2.1 Central heating
Heat input (kW) 26.3 31.0
Heat output (maximum) kW 24.0 28.0
Heat output (minimum) kW 9.4 10.5
Minimum working pressure 0,5 bar 0,5 bar
Maximum working pressure 3.0 bar 3.0 bar
Minimum flow rate 350 l/h 350 l/h
2.2 Domestic hot water
Heat input (kW) 26.3 31.0
Heat output (maximum) kW 24.0 28.0
Heat output (minimum) kW 8.2 8.7
Flow rate (35 °C rise) 9.8 l/min 11.5 l/min
Maximum inlet pressure 6.0 bar 6.0 bar
Minimum inlet working pressure 0.15 bar 0.15 bar
Minimum flow rate 2 l/min. 2 l/min.
2.3 Gas pressures
Inlet pressure G20 20.0 mbar 20.0 mbar
Maximum burner pressure 10.1 mbar 10.2 mbar
Minimum burner pressure (central heating) 1.9 mbar 1.9 mbar
Minimum burner pressure (domestic hot water) 1.5 mbar 1.3 mbar
Gross rate (maximum) 2.78 m
3
/h 3.28 m
3
/h
Injectors size 12 x 1.35 mm 14 x 1.35 mm
2.4 Expansion vessel
Capacity 8 litres 8 litres
Maximum system volume 76 litres 76 litres
Pre-charge pressure 1.0 bar 1.0 bar
2.5 Dimensions
Height 740 mm 740 mm
Width 400 mm 450 mm
Depth 328 mm 328 mm
Dry weight 34 kg 37 kg
2.6 Clearances
Left side 50 mm 50 mm
Right side 12 mm 12 mm
Top 150 mm from casing or 25 mm above flue elbow, whichever is applicable
Bottom 150 mm 150 mm
Front 600 mm 600 mm
2.7 Connections
Flow & return 22 mm 22 mm
Hot & cold water connections 15 mm 15 mm
Gas 15 mm 15 mm
Safety valve 15 mm 15 mm
2.8 Electrical
Voltage 230V/~ 50hz 230V/~ 50hz
Power consumption 125 W 125 W
Internal fuse 2 A 2 A
PCB fuse 2 AF 2 AF
External fuse 3 A 3 A
2.9 Flue details
Maximum horizontal flue length (concentric) 4.25 m 3.4 m
Maximum vertical flue length (concentric) 5 m 4.2 m
Maximum twin flue length (horizontal or vertical) 14 m + 14 m 14 m + 14 m
Maximum rear flue length (see section 11) 1.0 m 1.0 m
2.10 Efficiency
SEDBUK Band “D” Band “D”
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