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1.3 TECHNICAL FEATURES
* The gas consumptions refer to the calorific value at standard conditions at 15°C - 1013 mbar
25 OF 25 BF 30 BF
Heat output
Nominal kW 23,4 28,8
kcal/h 20.100 24.800
Minimum kW 9,0 11,5
kcal/h 7.700 9.900
D.H.W. heat output
Nominal kW 23,4 28,8
Heat input
Nominal kW 25,8 31,6
Minimum kW 10,8 13,5
Water content l 3,4 4,7
Adsorbed power consumption W150160
Electrical protection grade
IP X4D IP X4D
Maximum water head bar 3 3
Maximum temperature °C 85 85
Expansion vessel
Water content l 6 8
Preloading pressure bar 1 1
C.H. setting range °C 40÷80 40÷80
D.H.W. setting range °C 30÷60 30÷60
Continuous D.H.W. flow rate ∆t 30°C l/min 11,2 13,8
D.H.W. flow rate (EN 625) l/min 10,7 13,4
Minimum D.H.W. flow rate bar 2,4 2,4
D.H.W pressure
Minimum bar 0,5 0,65
Maximum bar 7 7
Smokes temperature °C 124/147 118/151
Smokes flow g/s 16,1/14,7 19,4/17,1
Category II2H3+ II2H3+
Type C12 -C32-C42-C52-C82 C12-C32-C42-C52-C82
Weight kg 38 40
Main burner nozzle
Quantity n° 12 14
Natural gas ø mm 1,30 1,30
G30 - G31 ø mm 0,77 0,78
Gas consumption *
Natural gas m
3
/h 2,73 3,34
Butane (G30) kg/h 2,02 2,48
Propane (G31) kg/h 1,99 2,44
Burner gas pressure
Natural gas mbar
2,4÷11,8 2,6÷12,7
Butane (G30) mbar
5,9÷28,5 5,5÷28,5
Propane (G31) mbar 7,7÷36,5 7,1÷36,5
Gas supply pressure
Natural gas mbar 20 20
Butane (G30) mbar 29 29
Propane (G31) mbar 37 37
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