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GENERAL INFORMATION
Description
POWERS AND EFFICIENCY
Nominal rated heat input (PCI)
Nominal rated heat input (PCS)
Maximum rated heat output (80°-60°C)
Maximum rated heat output (60-40°C)
Maximum rated heat output (50-30°C)
Minimum rated heat input (PCI)
Minimum rated heat input (PCS)
Minimum thermal output 80/60°C
Minimum thermal output 50/30°C
Useful efficiency at nominal heat output 80-60°C (PCI)
Useful efficiency at minimum heat output 80-60°C (PCI)
Useful efficiency at nominal heat output 50/30°C (PCI)
Useful efficiency at minimum heat output 50/30°C (PCI)
Useful efficiency 30% - 50/30°C PCS (PCI)
Combustion efficiency
Chimney losses with burner off
Chimney losses with burner on P . max. 80-60°C
Chimney losses with burner on at 30% Pn 50-30°C
Chimney losses with burner on P . min. 80-60°C
Losses through the casing with average T 70°C and burn-
er on
Losses through the casing with average T 70°C and burn-
er off
Flue gas temperature at max power and min power 80-
60°C
Flue gas temperature at max power and min power 50-
30°C
Air index λ at max power
Air index λ at min power
Max Flue flow at max-min power
Flue Residual prevalence at min power
Flue gas residual head with max power
Maximum rated heat input (LCV)
Minimum rated heat input (LCV)
(*)
Configurations possible only with the installation of the dedicated accessories (available separately).
Steel Pro Power
300-3
345-3
405-3
460-4
540-4
P/V
P/V
P/V
P/V
P/V
291
334,8
393
446,4
524
324
372
438
496
584
G20
285,9
329,4
387
439,2
516
G20
303,3
348,6
411,9
464,8
549,2
G20
315,3
363,6
426,3
484,4
568,4
G20
19,4
22,4
26,3
22,4
26,3
G20
21,6
24,9
29
24,9
29
G20
19,2
22,1
26
22,1
26
G20
21,1
24,5
28,9
24,5
28,9
98,25
98,40
98,47
98,40
98,47
98,8
99,2
99,1
99,2
99,1
108,2
108,6
108,3
108,6
108,3
109,2
110
110
110
110
97,84
98,39
98,17
98,39
98,17
(108,93)
(108,93)
(109,41)
(108,93)
(109,41)
99,0
99,3
99,3
99,3
99,3
0,1
0,1
0,1
0,1
0,1
2,6
2,5
2,6
2,5
2,6
0,6
0,5
0,6
0,5
0,6
0,2
0,1
0,1
0,1
0,1
0,33
0,33
0,33
0,25
0,25
0,33
0,33
0,33
0,25
0,25
78 -62
75 - 61
77 - 61
75 - 61
77 - 61
49 - 35
45 - 33
48 - 35
45 - 33
48 - 35
G20
1,27
1,27
1,27
1,27
1,27
G31
1,29
1,29
1,29
1,29
1,29
G20
1,27
1,27
1,27
1,27
1,27
G31
1,29
1,29
1,29
1,29
1,29
G20
136 - 9
156 - 10
183-12
208-10
245-12
G31
132 - 9
152-10
179-12
203-10
238-12
32
30
28
30
28
610
500
353
500
353
G25
279
321
381
428
508
G25
18,5
21,4
24,5
21,4
24,5
12
U.M.
Description
ELECTRICAL DATA
kW
Power supply voltage
kW
Electric degree of protection
kW
Electric power consumption of the boiler at max
power
kW
Electric power consumption of the boiler at min
kW
power
kW
Electric power consumption of the pumps at max
kW
power
kW
Electric power consumption of the pumps with min
kW
power
HEATING EXERCISE
%
Water temperature selection range (with plate heat
exchanger)
%
Lockout thermostat activation temperature
Maximum operating temperature
%
Maximum working pressure
%
Minimum operating pressure
Water content
%
Water side pressure drops with ΔT 20°C "versions V"
%
Residual head on water side with ΔT 20°C "versions
P"
%
Maximum condensation production at maximum
%
power 50-30°C
%
Noise (sound power)
%
GAS SUPPLY DATA
%
Maximum supply gas pressure
%
Nominal supply gas pressure
°C
Minimum gas supply pressure
°C
DIMENSIONAL DATA
no.
Heating delivery diameter
no.
no.
Heating return diameter
no.
g/s
Gas inlet diameter
g/s
Condensate discharge diameter
Pa
Coat height
Pa
Width of the mantle
kW
Depth of the coat
kW
Flue exhaust diameter
Air intake diameter (optional)
(*)
Configurations possible only with the installation of the dedicated accessories (available separately).
GENERAL INFORMATION
Steel Pro Power
300-3
345-3
405-3
460-4
540-4
P/V
P/V
P/V
P/V
230-50
IPX4D
951
1059
1446
1412
1928
228
297
330
396
440
342
444
540
592
135
177
216
236
288
20-80/(85)*
95
100
6
0,7
80
100
120
120
230
356
526
356
526
300
300
300
300
500
45
52,5
59,4
70
79,2
60
61
62
63
G20
60
60
60
60
G31
60
60
60
60
G20
20
20
20
20
G31
37
37
37
37
G20
17
17
17
17
G31
25
25
25
25
3" DN80
3" DN80
5" DN125
3" DN80
5" DN125
PN6
PN6
PN6
PN6
PN6
3" DN80
3" DN80
5" DN125
3" DN80
5" DN125
PN6
PN6
PN6
PN6
PN6
2 "DN50
2 "DN50
3" DN80
2 "DN50
3" DN80
PN6
PN6
PN6
PN6
PN6
50
50
50
50
1800
1800
1800
1800
1800
1700
1700
1700
1700
1700
890
890
890
890
890
DN160
DN160
DN300
DN160
DN300
DN160
DN160
DN300
DN160
DN300
13
U.M.
P/V
V-Hz
IP
W
W
720
W
W
°C
°C
°C
bar
bar
150
l
mbar
mbar
l/h
64
dB(A)
60
mbar
60
mbar
20
mbar
37
mbar
17
mbar
25
mbar
ø DN
ø DN
ø DN
50
ø mm
mm
mm
mm
ø mm
ø mm
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