Sime BRAVA One HE 25, Installation And Maintenance Manual

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1.5 Technical features
DESCRIPTION
Brava One HE
25 30
CERTIFICATIONS
Country of intended installation IT – ES – PT – GR – SI
Fuel G20 /G31
PIN number 1312CO5936
Category II2H3P
Type B23P - B53P - C13 - C33 - C43 - C53 - C63 - C83
Class NO
x
5 (< 70 mg/kWh)
HEATING PERFORMANCE
HEAT INPUT
Nominal
kW 20 24
Minimum kW 4,0 4,8
HEAT OUTPUT
Nominal (80-60°C)
kW 19,7 23,6
Nominal (50-30°C) kW 21,4 25,7
Minimum G20 (80-60°C) kW 3,9 4,7
Minimum G20 (50-30°C) kW 4,3 5,1
Minimum G31 (80-60°C) kW 3,9 4,7
Minimum G31 (50-30°C) kW 4,3 5,1
EFFICIENCY
Max useful efficiency (80-60°C) % 98,5 98,3
Min useful efficiency (80-60°C) % 97,5 97,9
Max useful efficiency (50-30°C) % 107,0 107,1
Min useful efficiency (50-30°C) % 106,0 106,4
Useful efficiency at 30% of load (40-30°C) % 107,0 107,0
Thermal efficiency (EEC 92/42)
Losses after shutdown at 50°C W 84 88
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input kW 24 28
Minimum heat input kW 4 4,8
D.H.W. flow rate Δt 30°C l/min 11,2 12,9
Continuous D.H.W. flow rate (Δt 25°C / Δt 35°C) l/min 13,6 / 9,7 16,1 / 11,5
Minimum D.H.W. flow rate l/min 2,2 2,2
Max / Min Pressure
bar 7 / 0,5 7 / 0,5
kpa 700 / 50 700 / 50
ELECTRICAL SPECIFICATIONS
Power supply voltage V 230
Frequency Hz 50
Absorbed electrical power W 105 114
Electrical protection degree IP X5D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C) °C 82 / 66 89 / 71
Smoke temperature at Max/Min flow (50-30°C) °C 59 / 45 71 / 51
Maximum smoke flow Min/Max g/s 11,2 / 1,9 13,1 / 2,2
CO
2
at Max/Min flow rate (G20) % 9,0 / 9,0 9,0 / 9,0
CO
2
at Max/Min flow rate (G31) % 10,0 /10,0 10,0 /10,0
NOZZLES - GAS
Number of nozzles No. 1 1
Nozzle diameter (G20-G31) mm 5,3 5,3
Gas consumption at Max/Min flow rate (G20) m
3
/h 2,53 / 0,42 2,96 / 0,50
Gas consumption at Max/Min flow rate (G31) Kg/h 1,86 / 0,31 2,17 / 0,37
Gas supply pressure (G20/G31)
mbar 20 / 37
kpa 2 / 3,7
TEMPERATURE - PRESSURE
Max operating temperature °C 85 85
Heating adjustment range °C 20÷80 20÷80
Domestic hot water adjustment range °C 10÷60 10÷60
Max operating pressure
bar 3
kpa 300
Water content in boiler l 4,65 4,75
Lower Heat Output (Hi)
G20 Hi.
9.45 kW/m
3
(15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar)
EN