68
IT
ES
PT
GB
25 BF TS
Heat output
Nominal kW 23.7
kcal/h 20,400
Minimum kW 8.8
kcal/h 7,600
Heat input
Nominal kW 25.5
Minimum kW 10.2
Termal efficiency (CEE 92/42 directive) ★★★
Class NOx 3
Water content l7,1
Adsorbed power consumption W120
Electrical protection grade
IPX4D
Maximum water head bar 3
Maximum temperature °C 85
Expansion vessel
Water content/Preloading pressure l/bar 6/1
C.H. setting range °C 30÷80
D.H.W. setting range °C 30÷60
D.H.W. flow rate (EN 625) l/min 11.0
Continuous D.H.W. flow rate ∆t 30°C l/min 11.3
Minimum D.H.W. flow rate l/min 2.4
D.H.W pressure
Minimum/Maximum bar 0.5/7
Smokes temperature °C 110/145
Smokes flow gr/s 14.9/16.4
Losses after shutdown to 50°C W/h 77
Category II
2H3+
Type B22-52/C12 -32-42-52-82
Weight kg 38
Main burner nozzle
Quantity n° 12
Natural gas (G20) ø mm 1.30
LPG (G30 - G31) ø mm 0.77
Gas consumption *
Natural gas (G20) m
3
/h 2.70
Butane (G30) kg/h 2.01
Propane (G31) kg/h 1.98
Burner gas pressure
Natural gas (G20) mbar 2.0÷11.8
Butane (G30) mbar 4.8÷28.5
Propane (G31) mbar 6.3÷36.5
Gas supply pressure
Natural gas (G20) mbar 20
Butane (G30) mbar 28 - 30
Propane (G31) mbar 37
1.3 TECHNICAL FEATURES
* Gas consumption figures express the lowest calorific power of pure gas under standard conditions at 15°C – 1013 mbar; this figure may differ from the actual
figure, which is dependent on gas composition and environmental conditions.
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