Riello START AQUA 24 BI, Installer And User Manual

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START AQUA 24 BI
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ENGLISH
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START AQUA 24 BI
DESCRIPTION
Methane
gas (G20)
Butane
(G30)
Propane
(G31)
Lower Wobbe index (at 15°C-1013 mbar) MJ/m
3
S 45,67 80,58 70,69
Net Calorific Value MJ/m
3
S 34,02 116,09 88
Supply nominal pressure mbar (mm H
2
O) 20 (203,9) 28 - 30 (285,5 - 305,9) 37 (377,3)
Supply minimum pressure mbar (mm H
2
O) 13,5 (137,7)
START AQUA 24 BI
Burner: number of nozzles n° 12 12 12
diameter of nozzles ø mm 1,35 0,77 0,77
CH maximum gas capacity Sm
3
/h 2,82
kg/h 2,10 2,07
DHW maximum gas capacity Sm
3
/h 2,82
kg/h 2,10 2,07
CH minimum gas capacity Sm
3
/h 1,10
kg/h 0,82 0,81
DHW minimum gas capacity Sm
3
/h 1,10
kg/h 0,82 0,81
CH maximum pressure (mbar) 9,90 27,60 35,50
(mm H
2
O) 100,95 281,44 362,00
DHW maximum pressure (mbar) 9,90 27,60 35,50
(mm H
2
O) 100,95 281,44 362,00
CH minimum pressure (mbar) 1,60 4,80 6,00
(mm H
2
O) 16,32 48,95 61,18
DHW minimum pressure (mbar) 1,60 4,80 6,00
(mm H
2
O) 16,32 48,95 61,18
MULTIGAS TABLE
Seasonal space heating energy efficiency class C
Water heating energy efficiency
class
B
Parameter Symbol Value Unit Parameter Symbol Value Unit
Rated heat output Prated 24 kW
Seasonal space heating energy
efficiency
η s 78 %
For boiler space heaters and boiler combination heaters: useful
heat output
For boiler space heaters and boiler combination heaters: useful
efficiency
At rated heat output and high-
temperature regime (*)
P4 23.9 kW
At rated heat output and high-
temperature regime (*)
η 4 80.7 %
At 30% of rated heat output and low-
temperature regime (**)
P1 7.2 kW
At 30% of rated heat output and low-
temperature regime (**)
η 1 81.3 %
Auxiliary electricity consumption Other parameters
At full load elmax 10.0 W Stand-by heat loss Pstby 180.0 W
At part load elmin 5.5 W Pilot flame energy consumption Pign - W
In Stand-by mode PSB 3.5 W Annual energy consumption QHE 88 GJ
Sound power level, indoors LWA 51 dB
Emissions of nitrogen oxides NOx 151 mg/kWh
For combination heaters:
Declared load profile XL Water heating energy efficiency η wh 77 %
Daily electricity consumption Qelec 0.118 kWh Daily fuel consumption Qfuel 26.028 kWh
Annual electricity consumption AEC 26 kWh Annual fuel consumption AFC 19 GJ
(*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
(**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater
inlet).