Riello Start Aqua Condens 25/60 BIS, Installer And User Manual

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Start Aqua Condens 25/60 BIS
42
Start Aqua Condens 25/60 BIS
STORAGE TANK DESCRIPTION
UM
Storage cylinder type Stainless steel
Storage cylinder arrangement Vertical
Heat exchanger arrangement (coil) Vertical
DHW content 60 l
Coil water content 3,87 l
Heat exchange surface 0,707 m²
Selection field of the DHW temperature 37-60 °C
Flow limiter 15 l/min
Quantity of water taken in 10’ with
∆
t 30°C 158,7 l
Storage cylinder maximum operating pressure 8 bar
Description Methane gas (G20) Propane (G31)
Lower Wobbe index (at 15°C-1013 mbar) MJ/m 3 S 45,67 70,69
Net Calorific Value MJ/m
3
S 34,02 88
Supply nominal pressure
mbar
mm H
2
O
20
203,9
37
377,3
Supply minimum pressure
mbar
mm H
2
O
10
102,0
Start Aqua Condens 25/60 BIS
Number of diaphragm holes N° 1 1
Diaphragm holes diameter Ø mm 6,7 4,7
Heating maximum gas capacity
Sm
3
/h
kg/h
2,64
-
-
1,94
DHW maximum gas capacity
Sm
3
/h
kg/h
2,64
-
-
1,94
Heating minimum gas capacity
Sm 3 /h
kg/h
0,63
-
-
0,47
DHW minimum gas capacity
Sm 3 /h
kg/h
0,63
-
-
0,47
Number of fan rotations with slow ignition rpm 3.400 3.400
Maximum number of heating fan rotations rpm 5.600 5.600
Maximum number of DHW fan rotations rpm 5.600 5.600
Minimum number of heating fan rotations rpm 1.700 1.700
Minimum number of DHW fan rotations rpm 1.700 1.700
Seasonal space heating energy efficiency class A Water heating energy efficiency class A
Parameter Symbol Value Unit Parameter Symbol Value Unit
Rated heat output Prated 25 kW
Seasonal space heating energy
efficiency
η
s 92 %
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 24,5 kW
At rated heat output and high-
temperature regime (*)
η
4 88,8 %
At 30% of rated heat output and low-
temperature regime (**)
P1 8,0 kW
At 30% of rated heat output and low-
temperature regime (**)
η
1 96,4 %
Auxiliary electricity consumption Other parameters
At full load elmax 50,0 W Stand-by heat loss Pstby 58,0 W
At part load elmin 16,7 W Pilot flame energy consumption Pign - W
In Stand-by mode PSB 2,4 W Annual energy consumption QHE 48 GJ
Sound power level, indoors LWA 54 dB
Emissions of nitrogen oxides NOx 27
mg/
kWh
For combination heaters:
Declared load profile XL Water heating energy efficiency
η
wh 81 %
Daily electricity consumption Qelec 0,302 kWh Daily fuel consumption Qfuel 24,057 kWh
Annual electricity consumption AEC 66 kWh Annual fuel consumption AFC 18 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).