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5
SECTION 2 TECHNICAL DATA
Ref. Condition 15 °C , 1013,25 mbar, dry gas
NOTE: L.P.G. data refer to section 10
85 HE
100 HE
2.1 Central heating
Heat input (kW) 25.00 29.00
Maximum heat output@ 80/60 °C (kW) 24.35 28.30
Minimum heat output@ 80/60 °C (kW) 14.25 14.28
Maximum heat output@ 50/30 °C (kW) 25.90 29.93
Minimum heat output@ 50/30 °C (kW) 14.85 14.75
Minimum working pressure 0.5 bar 0.5 bar
Maximum working pressure 2.7 bar 2.7 bar
Minimum flow rate 350 l/h 350 l/h
2.2 Domestic hot water
Minimum output (kW) 9.50 9.90
Flow rate (35 °C rise) 10.2 l/min 11.9 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 9.40 mbar 9.20 mbar
Minimum burner pressure (central heating) 3.50 mbar 2.70 mbar
Minimum burner pressure (domestic hot water) 1.50 mbar 1.20 mbar
Gross rate (central heating, max - min) 2.64 - 1.59 m
3
/h 3.07 - 1.59 m
3
/h
Injectors size 12 x 1.35 mm 14 x 1.35 mm
2.4 Expansion vessel
Capacity 8 litres 10 litres
Maximum system volume 76 litres 91 litres
Pre-charge pressure 1.0 bar 1.0 bar
2.5 Dimensions
Height 780 mm 780 mm
Width 400 mm 450 mm
Depth 332 mm 332 mm
Dry weight 40 kg 44 kg
2.6 Clearances
Sides 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
Condense 21 mm 21 mm
2.8 Electrical
Voltage 230V/~ 50hz 230V/~ 50hz
Power consumption 153 W 153 W
Internal fuse 2 A 2 A
External fuse 3 A 3 A
2.9 Flue details (concentric)
Maximum horizontal flue length (60/100mm) 4.5 m 4.0 m
Maximum vertical flue length (60/100mm) 5.5 m 5.0 m
2.10 Efficiency
SEDBUK 86.9 Band “B” 86.7 Band “B”
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