Vallox 252 M, Руководство пользователя

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• Sound power levels in the ducts measured in accordance
with the standard ISO/DIS 5135:1995.
• Sound pressure levels in the room (10 m
2
sound absorption)
determined according to the regulation 4873/531/84
issued by the Finnish Ministry of Environmental Affairs
L
w
A = A-weighted sound pressure level
* = difference between sound power level and pressure level when unit location and total absorption
area are taken into account (in a classroom, for instance, t.ex. L
w
A -* = 12 dB)
LpA, dB(A)
63
125
250
500
1000
2000
4000
8000
Lw, dB
LwA dB(A)
Hz
LwA, dB(A)
LpA = A-weighted sound pressure level (10 m 2 sound absorption)
Sound power level from VALLOX to supply
air ducts by octave band Lw, dB
Medium
frequency
of the
octave
band,
Hz
CONTROL POSITION / AIR FLOW
Sound power level from VALLOX to
discharge air ducts by octave band Lw, dB
CONTROL POSITION / AIR FLOW
63
125
250
500
1000
2000
4000
8000
Lw, dB
LwA dB(A)
Hz
Sound power level coming from VALLOX through
the envelope to the rooms where the unit has
been installed
CONTROL POSITION / l/s
LpA, dB(A)
Sound power level from VALLOX to supply
air ducts by octave band Lw, dB
CONTROL POSITION / AIR FLOW
Sound power level from VALLOX to
discharge air ducts by octave band Lw, dB
CONTROL POSITION / AIR FLOW
Medium
frequency
of the
octave
band,
Hz
Sound power level coming from VALLOX through
the envelope to the rooms where the unit has
been installed
CONTROL POSITION / l/s
VALLOX 252 M
SOUND VALUES
2
4
VALLOX 252
with Sound Attenuator
6
169l/s
68.0
63.5
61.0
49.5
47.0
45.0
35.0
27.0
70.0
55.5
4
129/139
40
6
166/176
44
8
212/217
47
VALLOX 252 M
8
226 l/s
74.5
72.0
66.0
52.0
49.5
49.5
38.0
31.0
77.0
61.0
6
179/s
72.0
68.5
61.0
48.0
48.0
45.0
34.0
27.0
74.0
57.0
4
141 l/s
68.5
66.0
57.0
43.5
43.5
38.5
28.5
18.5
70.5
53.5
1
85 l/s
63.0
59.0
47.5
36.5
36.0
28.0
15.5
64.5
45.0
8
208 l/s
69.5
67.0
64.5
54.5
50.0
50.0
39.5
32.0
72.0
59.0
4
138 l/s
65.5
60.0
55.5
44.5
43.5
38.5
20.0
66.5
50.5
30.0
1
76l/s
62.0
55.0
48.0
36.0
38.5
28.5
20.0
63.0
44.0
1
78/85
33
8
204 l/s
67.0
65.0
51.5
36.5
30.0
27.0
18.5
69.0
49.5
6
167 l/s
63.0
62.5
48.0
31.0
24.5
20.5
65.5
46.5
4
135 l/s
59.5
59.0
43.0
25.5
17.0
62.5
42.5
1
80/s
55.5
53.5
34.0
57.5
37.0
8
209 l/s
66.5
62.5
50.5
41.5
32.0
27.0
15.5
68.0
48.0
6
169l/s
63.0
60.0
46.5
35.0
25.0
19.0
65.0
44.5
4
133 l/s
61.0
57.5
40.5
27.5
16.0
62.5
41.0
1
77 l/s
55.0
52.0
33.0
18.0
13.5
14.0
57.0
35.5
4
131/138
42.5-*
38.5
6
167/175
47-*
43
8
208/221
50.5-*
46.5
1
74/82
36-*
32