34. TECHNICAL DATA
Model ECOFOUR
24 F 1.24 F 1.14 F 24 1.24 1.14
Category II2H3P II2H3P II2H3P II2H3P II2H3P II2H3P
Rated heat input kW 25,8 25,8 15,1 26,3 26,3 15,4
Reduced heat input kW 10,6 10,6 7,1 10,6 10,6 7,1
Rated heat output kW 24 24 14 24 24 14
kcal/h 20.600 20.600 12.040 20.600 20.600 12.040
Reduced heat output kW 9,3 9,3 6,0 9,3 9,3 6,0
kcal/h 8.000 8.000 5.160 8.000 8.000 5.160
Max. pressure in central heating system bar 3 3 3 3 3 3
Capacity of expansion vessel l 6 6 6 6 6 6
Pressure of expansion vessel bar 0,5 0,5 0,5 0,5 0,5 0,5
Max. pressure in DHW system bar 8 — — 8 — —
Minimum dynamic pressure in DHW system bar 0,15 — — 0,15 — —
Minimum DHW output l/min 2,0 — — 2,0 — —
DHW output at ∆T=25 °C
l/min 13,7 — — 13,7 — —
DHW output at ∆T=35 °C
l/min 9,8 — — 9,8 —
—
Specic output l/min 10,7 — — 10,7 — —
Temperature range in heating system
°C 30/85 30/85 30/85 30/85 30/85 30/85
Temperature range in DHW system
°C 35/60 35/60*** 35/60*** 35/60 35/60*** 35/60***
Type — C12-C32-C42-C52-C82-B22 B
11BS
B
11BS
B
11BS
Diameter of concentric ue duct mm 60 60 60 - - -
Diameter of concentric air duct mm 100 100 100 - - -
Diameter of 2-pipe ue duct mm 80 80 80 - - -
Diameter of 2-pipe air duct mm 80 80 80 - - -
Diameter of ue duct mm - - - 120 120 110
Max. mass ow of fumes kg/s 0,014 0,014 0,012 0,020 0,020 0,014
Min. mass ow of fumes kg/s 0,014 0,014 0,012 0,018 0,018 0,013
Max. temperature of fumes °C 146 146 115 110 110 99
Min. temperature of fumes °C 116 116 100 85 85 83
NOx class — 3 3 3 3 3 3
Type of gas — G20 G20 G20 G20 G20 G20
— G31 G31 G31 G31 G31 G31
Natural gas supply pressure mbar 20
20 20 20 20 20
Propane gas supply pressure mbar 37 37 37 37 37 37
Power supply voltage V 230 230 230 230 230 230
Input frequency Hz 50 50 50 50 50 50
Rated electrical input W 130 130 120 80 80 80
Net weight kg 33 32 31 29 28 26
Dimensions height mm 730 730 730 730 730 730
width mm 400 400 400 400 400 400
depth mm 299 299 299 299 299 299
Protection against humidity and water penetration (**) IP X5D IP X5D IP X5D IP X5D IP X5D IP X5D
(**) according to 60529
(***) with external storage boiler