Technical Specifications - Riello NUOVO ACU Series Technical Information Assembly, Use And Maintenance Instructions

Water-fed fan heaters
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Thermal power (1)
Rows
Q.ty
Axial fan
Ø
Rotations
Air flow rate
Air delivery
Air supply temperature (1)
p water side
Water flow rate
Water capacity
Electrical Supply
Degree of protection
Total electrical power
Max electrical current
MAX.
Sound pressure
MED
level (2)
MIN
Thermal power (1)
Rows
Q.ty
Axial fan
Ø
Rotations
Air flow rate
Air delivery
Air supply temperature (1)
p water side
Water flow rate
Water capacity
Electrical Supply
Degree of protection
Total electrical power
Max electrical current
MAX.
Sound
pressure level
MED
(2)
MIN
(1) Data refers to following conditions:
- Water temperature 85-70°C
- Air temperature 15°C
- R.H. 50%
- Atmospheric pressure 1013 mbar
- Max fan speed
(2) Data refers to following conditions:
- Area unobstructed
- Max fan speed
Unit installed on wall 3 m above ground with sound pressure
measured frontally.
(3) RPM variations attained via use of special accessories (available as
optionals). RPM figures are average values as RPM varies from model
to model.

TECHNICAL SPECIFICATIONS

1
2
kW
13.3
17.3
kcal/h
11,440
14,880
2
3
mm
300
300
rpm
m³/h
1,750
1,550
m
22
17
°C
38
47
kPa
26
20
l/h
785
1,020
l
1,2
1,6
IP
55
55
W
74
74
A
0.34
0.34
dB
50
50
dB
47
47
dB
41
41
10
11
kW
42.7
39.1
kcal/h
36,720
33,630
3
2
mm
400
420
rpm
1400 - 900 - 700 (3)
m³/h
3,900
5,200
m
24
33
°C
47
37
kPa
13
13
l/h
2,514
2,300
l
3,6
3,0
SINGLE-PHASE 230V  50Hz
IP
55
55
W
200
220
A
0.90
0.95
dB
53
53
dB
49
49
dB
43
47
TYPE
3
4
5
17.7
23.8
22.0
15,220
20,470
18,920
2
3
2
1
315
315
330
1400 - 900 - 700 (3)
2,450
2,300
2,800
25
19
31
36
45
38
17
20
30
1,044
1,401
1,296
1,5
2,1
1,9
SINGLE-PHASE 230V  50Hz
55
55
54
86
86
120
0.38
0.38
0.55
51
51
52
47
47
50
45
45
43
TYPE
12
13
14
52.4
47.4
63.0
45,060
47,760
54,180
3
2
3
1
420
550
550
4,900
6,700
6,200
26
39
37
46
36
45
16
14
12
3,086
2,793
3,707
4,6
3,5
5,2
THREE_PHASE 400V  50Hz 3N
55
55
55
220
305
305
0.95
0.70
0.70
53
52
52
49
-
-
47
46
46
10
6
7
8
28.5
27.4
35.4
24,510
23,560
30,440
3
2
3
330
350
350
2,550
3,600
3,400
25
31
25
47
37
46
17
24
19
1,680
1,612
2,141
2,5
2,2
3,0
54
54
54
120
130
130
0.55
0.60
0.60
52
53
53
50
49
49
43
43
43
15
16
17
67.7
87.8
88.8
58,220
75,510
76,370
2
3
2
2
450
450
550
900 - 700 (3)
8,500
7,700
12,550
38
32
40
38
48
36
11
9
21
3,985
5,173
5,229
5,3
7,3
6,1
55
55
55
240
240
610
0.56
0.56
1.40
54
54
53
-
-
-
49
49
48
9
31.9
27,430
2
400
3,950
32
39
20
1,876
2,6
55
200
0.90
53
49
43
18
114.9
98,810
3
550
10,900
38
46
17
6,764
8,5
55
610
1.40
53
-
48

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