Mitsubishi Electric PLA-A12EA7 Service Manual page 147

11 NOISE CRITERION CURVES
PVA-A24AA7
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
Approximate minimum
NC-20
audible limit on
15.0
continuous noise
10.0
8k 6 3 125
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
Approximate minimum
NC-20
15.0
audible limit on
continuous noise
10.0
8k 63 125
5.0
0.0
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
Approximate minimum
NC-20
audible limit on
15.0
continuous noise
10.0
8k 63 125
5.0
Due to continuing improvement, above specification may be subject to change without notice.
0.0
© 2017 Mitsubishi Electric US, Inc.
External static pressure 0.30 [in.WG] (75Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
External static pressure 0.50 [in.WG] (125Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
External static pressure 0.80 [in.WG] (200Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
PVA-A30AA7
70.0
65.0
60.0
NC-60
55.0
70.0
50.0
65.0
NC-50
45.0 60.0
55.0 40.0
70.0
NC-40
50.0 35.0
65.0
45.0 30.0
60.0
NC-30
40.0 25.0
55.0
35.0 20.0
50.0
Approximate minimum
NC-20
audible limit on
30.0 15.0
45.0
continuous noise
25.0 10.0
40.0
63 125
8k
20.0 5.0
35.0 0.0
Approximate minimum
audible limit on
15.0
30.0
continuous noise
70.0
10.0
25.0
63 125
65.0
5.0
20.0 0.0
Approximate minimum
60.0
audible limit on
15.0
continuous noise
55.0 70.0
10.0
63 125
65.0 50.0
5.0
0.0
45.0 60.0
NC-60
40.0
55.0
70.0
35.0 50.0
65.0
NC-50
30.0
45.0
60.0
25.0
40.0
55.0
NC-40
20.0
35.0
50.0
Approximate minimum
audible limit on
15.0
30.0
45.0
continuous noise
NC-30
10.0
25.0
40.0
63 125
20.0 5.0
0.0
35.0
Approximate minimum
audible limit on
NC-20
15.0
30.0
continuous noise
70.0
10.0
25.0
63 125
8k
65.0
5.0
20.0 0.0
Approximate minimum
60.0
audible limit on
15.0
continuous noise
55.0 70.0
10.0
63 125
65.0 50.0
5.0
0.0
45.0 60.0
40.0 55.0
70.0
35.0 50.0
65.0
45.0 30.0
60.0
NC-60
40.0 25.0
55.0
35.0 20.0
50.0
Approximate minimum
NC-50
15.0 audible limit on
30.0
45.0
continuous noise
10.0 0.0
25.0
40.0
63 125
NC-40
5.0
20.0
35.0
Approximate minimum
audible limit on
15.0
30.0
continuous noise
NC-30
10.0 0.0
25.0
63 125
5.0
20.0
Approximate minimum
NC-20
audible limit on
15.0
continuous noise
10.0 0.0
63 125
8k
5.0
P-Series (March 2017)
External static pressure 0.30 [in.WG] (75Pa)
High Low
Middle
External static pressure 0.30 [in.WG] (75Pa)
High Low
Middle
External static pressure 0.30 [in.WG] (75Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
External static pressure 0.50 [in.WG] (125Pa)
High Low
250 500 1k 2k 4k
Middle
Octave band center frequencies (Hz)
External static pressure 0.50 [in.WG] (125Pa)
High Low
250 500 1k Middle 2k 4k
Octave band center frequencies (Hz)
External static pressure 0.50 [in.WG] (125Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
External static pressure 0.80 [in.WG] (200Pa)
High Low
250 500 1k 2k 4k
Middle
Octave band center frequencies (Hz)
External static pressure 0.80 [in.WG] (200Pa)
High Low
250 500 1k 2k 4k
Middle
Octave band center frequencies (Hz)
External static pressure 0.80 [in.WG] (200Pa)
High Low
Middle
250 500 1k 2k 4k
Octave band center frequencies (Hz)
250 500 1k 2k 4k
Octave band center frequencies (Hz)
250 500 1k 2k 4k
Octave band center frequencies (Hz)
70.0
65.0
60.0
NC-60
55.0
70.0
50.0
65.0
NC-50
60.0 45.0
NC-60
55.0 40.0
70.0
NC-40
50.0 35.0
65.0
NC-50
45.0 30.0
60.0
NC-30
NC-60
40.0 25.0
55.0
NC-40
35.0 20.0
50.0
Ap
NC-20
NC-50 au
30.0 15.0
45.0
con
NC-30
25.0 10.0
40.0
8k 63
NC-40
0.0
20.0 5.0
35.0
Ap
NC-20
au
15.0
30.0
con
NC-30 70.0
10.0
25.0
8k 63
65.0
0.0
5.0
20.0
Ap
60.0
NC-20
au
15.0
NC-60 con
55.0 70.0
10.0
8k 63
65.0 50.0
0.0
5.0
NC-50
45.0 60.0
NC-60
40.0
55.0
70.0
NC-40
50.0 35.0
65.0
NC-50
30.0
45.0
60.0
NC-30
NC-60
25.0
40.0
55.0
NC-40
20.0
35.0
50.0
Ap
NC-20
au
NC-50
15.0
30.0
45.0
con
NC-30
10.0
25.0
40.0
8k 63
NC-40
20.0 5.0
0.0
35.0
Ap
NC-20
au
15.0
30.0
con
NC-30
70.0
10.0
25.0
8k 63
65.0
5.0
20.0 0.0
Ap
60.0
NC-20
au
15.0
con
NC-60
70.0 55.0
10.0
8k 63
50.0
65.0
5.0
0.0
NC-50
45.0
60.0
NC-60
40.0
55.0
70.0
NC-40
35.0
50.0
65.0
NC-50
30.0
45.0
60.0
NC-30
NC-60
25.0
40.0
55.0
NC-40
35.0 20.0
50.0
Ap
NC-20
NC-50
30.0 15.0 au
45.0
con
NC-30
25.0 10.0 0.0
40.0
8k 63
NC-40
20.0 5.0
35.0
Ap
NC-20
15.0
au
30.0
con
NC-30
10.0 0.0
25.0
63
8k
5.0
20.0
Ap
NC-20
15.0
au
con
10.0 0.0
63
8k
5.0
147