GENERAL
11
TECHNICAL DATA
ACCESSORIES
ALU PRO power
UM
115
150
225
300
349
375
450
525
600
Type of appliance
condensing boiler for central heating
B23, B23P
Fuel
IT-CH: G20=20mbar G31=37mbar
FR: G20/G25 - 20/25 mbar G31=37mbar
BE: G20/G25 - 20/25 mbar
Appliance category
IT-CH: II2H3P - FR: II2Esi3P - BE: I2E(R)
Maximum rated heat input (GCV)
G20
kW
127,8 166,6 250,0 333,3 387,7 416,6 499,9 583,3 666,6
Maximum rated heat input NCV
G20
kW
115
150
225
300
349
375
450
525
600
Reduced heat input GCV (NCV)
G20
kW
16,7 (15)
Rated heat output (80-60°C) P4
G20
kW
112,3 146,7 220,2 294,3 342,8 368,7 443,0 517,4 591,9
30% heat output with return at 30°C (P1)
G20
kW
33,7
44,0
66,1
88,3 102,8 110.6 132,9 155,2 177,6
Reduced heat output (80-60°C)
G20
kW
14.7
Constant pressure drop with the burner off
%
< 1
Losses from stack
%
0.7
0.7
0.6
0.5
0.4
0.4
0.4
0.4
0.4
Efficiency at rated heat input and in High temper-
ature mode (GCV)
η
4 - (80-60°C)
%
87.9
88
88.1
88,3
88.4
88,5
88.6
88,7 88,8
Efficiency at 30% rated heat input and in Low
temperature mode (GCV)
η
1
%
97,4
Max gas consumption
G20
m
3
/h
12.1
15.8
23.7
31.6
36.7
39.5
47,4
55.3 63.2
Max. flue gas temperature (80°- 60°)
°C
65 - 70
Min. flue gas temperature (80°- 60°)
°C
60 - 65
Mass flue gas flow rate (80°- 60°) min-max
kg/h
30-164 30-164 38-224 63-285 67-336 67-336 73-392 73-457 73-523
Residual head
Pa
~ 100
Noise levels (*) at Pn min/Pn max
dB(A)
44-62 44-62,5 44-63 44-64 44-64,5 44-65 44-66 44-67 44-68
CO2 max-min
G20
%
9 - 9
CO S.A. max-min
mg/kWh
42 - 4
NOx (referring to GCV)
mg/kWh
< 63
Max-min heating pressure
bar
6 - 0,5
Max heating temperature
°C
85
Boiler minimum operating output
l/h
1,300 1,300 1950 2600 3250 3250 3900 4550 5200
Water content in the heating circuit
l
30
30
40
55
65
65
78
88
100
Pressure drop water side (
∆
T 20)
mbar
30
50
60
70
80
80
90
100
150
Elmax electric power consumption
W
300
300
440
580
720
720
860
1000 1140
Electric power consumption at partial load - Elmin
W
90
90
132
174
216
216
258
300
342
Electric power consumption in
Psb Standby mode
W
20
Voltage supply
Volt/Hz
230/50
Electrical protection level
as standard
IP
20
with kit for outdoors
IP
X5D
Boiler net weight
Kg
240
240
310
395
470
470
565
640
735
(*) Noise levels measured as continuous A-weighted sound pressure, at 1 metre from the appliance.
For the specific related accessories see the Riello catalogue and the product datasheet.
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