Sime Open.zip 25 BF TS - INSTALLATION; 2.1 FIXING THE BOILER; 2.2 PLANT CONNECTIONS AND DUCTING

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1.3 TECHNICAL DATA
25 BF TS 30 BF TS
Thermal power for heating
Nominal kW 23,7 28,0
kcal/h 20.400 24.100
Minimum kW 8,8 10,7
kcal/h 7.600 9.200
Thermal capacity
Nominal kW 25,5 30,0
Minimum kW 10,2 12,0
Energy yield marking (EEC 92/42) ★★★ ★★★
NOx Class 33
Water content l 4,4 4,4
Electricity absorption W120 140
Electrical insulation degree IP X4D IP X4D
Max. working pressure bar 3 3
Max. working temperature °C 85 85
Header tank
Capacity l 7,5 7,5
Preload pressure bar 1 1
Heating regulation range °C 40÷80 40÷80
Sanitary water regulation range °C 35÷60 35÷60
Specific sanitary water flow capacity (EN 625) l/min 11,0 13,1
Continuous sanitary water flow capacity ∆t 30°C l/min 11,3 13,4
Minimum sanitary water flow capacity l/min 2,4 2,4
Sanitary water pressure
Minimum/Maximum bar 0,50/7 0,65/7
Category II2H3+ II2H3+
EC Certification n° 1312BQ4538 1312BQ4538
Type B22-52/ C12-32-42-52-82 B22-52/ C12-32-42-52-82
Min/max fumes temperature °C 110/145 109/133
Min/max fumes flow capacity gr/s 14,9/16,4 18,2/19,4
Boiler/frame for built-in installation kg 36/25 37/25
Main gas nozzles
Quantity n° 12 14
Methane (G20) ø mm 1,30 1,30
LPG (G30 - G31) ø mm 0,77 0,77
Gas flow capacity
(1)
Methane (G20) m
3
st/h 2,70 3,17
Butane (G30) kg/h 2,01 2,37
Propane (G31) kg/h 1,98 2,33
Burners gas pressure
Methane (G20) mbar 2,0÷11,8 2,1÷12,0
Butane (G30) mbar 4,8÷28,5 5,0÷28,5
Propane (G31) mbar 6,3÷36,5 6,5÷36,5
Gas supply pressure
Methane (G20) mbar 20 20
Butane (G30) mbar 28-30 28-30
Propane (G31) mbar 37 37
(1) Gas flow capacities refer to the lower calorific value of pure gases in standard conditions at 15°C - 1013 mbar, and may, therefore, differ from real values according to the composition of
the gas and the environmental conditions