Ferroli TOP FAN User Manual

19
GENERAL SPECIFICATIONS
NOISE LEVEL
The following table (Tab.9) gives the noise level performances of the entire fancoil range expressed as acoustic
power level. The last column gives the acoustic pressure level in a 100 m
3
room with a 0.5 second reverberation
time.
WORKING STATIC HEAD CURVES FOR THE VN VERSION OF THE APPLIANCE
The convector fans in the VN series are equipped with six-speed motors. The most appropriate connection can be
chosen depending on the working head. The graphs given in the following pages show the working head depending
on the flow rate and according to the selected electrical connection. The units leave the production line with the elec-
trical connections shown in Fig.8. The indicated head includes the load losses of the sole bank and filter supplied
with the units. If these latter operate in dehumidifying mode with wet banks, the dotted line gives the additional load
losses and, thus, the relative reduction in working static head. Each graph also gives a curve showing how the total
refrigerating efficiency varies as the air flow rate changes. Depending on plant requirements, the electrical connec-
tions can be modified in order to vary the flow rate/head ratio of the motor. With reference to the curves given below
and once the most appropriate connection has been selected, work on the autotransformer directly connected to the
motor for models up to 40 or on the transmission terminal board for larger models. During these operations in the
autotransformer, the faston of the connection cable must be moved from the main terminal board of the actual auto-
transformer itself and fitted into the most appropriate of the positions numbered 1 to 6 on its data plate. In models
60 ÷ 120, this operation must be carried out in the transmission terminal board installed between the motor and the
main terminal board. Here again, the connection cable must be moved to the most appropriate of the positions mar-
ked 1 to 6 in the data plate.
Tab.9
Fig.8
Common
(White)
High
(Black)
Medium
(Blue)
Low
(Red)
Common
(White)
High (Black)
Medium
(Blue)
Low
(Red)
Model
Speed
15
Max.
Central band frequency [Hz]
Acoustic power [dB(A)]
125 250 500 1000 2000 4000 8000
Med.
Min.
39.8
37.1
30.8
42.5
38.5
33.7
44.8
38.9
32.3
40.9
33.3
25.3
35.1
24.5
16.7
28.3
16.2
9.7
26.4
Global
Acoustic
pressure
6.5
4.8
dB
49
44
38
dB(A)
dB(A)
45
39
32
20
Max.
Med.
Min.
42.1
35.6
33.5
45.9
40.2
35.7
47.9
41.8
34.8
43.7
37.2
28.8
38.5
27.8
20
32.1
19.7
12.4
22.5
12
4.9
52
45
40
48
42
35
30
Max.
Med.
Min.
48.8
42
39
50.9
45
40.8
50.1
44.4
37.8
47.3
38.2
30.5
44.6
35.4
28.7
37.7
29.6
24.1
29.5
21.4
17
55
49
44
52
45
39
40
Max.
Med.
Min.
47.4
43.2
38.6
50.6
46.2
41.3
52.3
46.9
41
49.2
42.1
35.2
46.1
37.8
29.7
40.7
30
21.3
32.7
23
16.5
57
51
46
54
47
41
60
Max.
Med.
Min.
51.1
45.6
36.6
53.6
48.9
42.2
54.7
49.8
39
48.5
43.6
31
44
37.9
23.9
36.8
27.4
19.7
27.2
21.9
19.4
59
54
45
55
50
39
80
Max.
Med.
Min.
56.6
53.7
44.4
59.3
56
48.3
59.6
57
48.3
55.9
52.5
41.9
53.3
48.8
35.9
50.6
42.3
27.4
43.1
33.3
21.2
65
61
53
61
58
48
100
Max.
Med.
Min.
59
55.2
47.2
61.1
57.3
50.1
61.2
57.6
50.8
57.7
53.4
44.7
55
49.8
39.6
51.2
43.4
31.6
43
33.9
23.9
66
63
55
63
59
51
120
Max.
Med.
Min.
59.7
55.8
48
62.6
58.1
50.7
62.5
58.8
51.4
59.9
55.2
46.2
57.6
52.1
41.6
52.9
46.2
33.8
46.4
38
24.6
68
64
56
65
60
52
36
30
23
39
33
26
42
36
30
45
38
32
46
41
30
52
49
39
54
50
42
56
51
43

Ferroli TOP FAN Specifications

General

Brand	Ferroli
Model	TOP FAN
Category	Fan
Language	English