Sound Levels - Mitsubishi Electric CMB-WP-V-GA1 Data Book

5. SOUND LEVELS

5-1. Sound levels
5. SOUND LEVELS
PFFY-WP-VLRMM-E
Aux. duct
1.0m
* Measured in anechoic room
5-2. NC curves
PFFY-WP20VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250 500 1k
Octave band center frequencies (Hz)
PFFY-WP25VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
15.0 audible limit on
continuous noise
10.0
63 125 250 500 1k
Octave band center frequencies (Hz)
PFFY-WP32VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250 500 1k
Octave band center frequencies (Hz)
MEE15K052
Measurement location
PFFY-WP20VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
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
2k 4k 8k 63 125
Octave band center frequencies (Hz)
PFFY-WP25VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
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
2k 4k 8k 63 125
Octave band center frequencies (Hz)
PFFY-WP32VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
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
2k 4k 8k 63 125
Octave band center frequencies (Hz)
PFFY-WP20VLRMM-E
PFFY-WP25VLRMM-E
PFFY-WP32VLRMM-E
PFFY-WP40VLRMM-E
PFFY-WP50VLRMM-E
50/60Hz
High
Middle 50/60Hz
50/60Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1k 2k 4k 8k
50/60Hz
High
Middle 50/60Hz
50/60Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1k 2k 4k 8k
50/60Hz
High
Middle 50/60Hz
50/60Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1k 2k 4k 8k
Sound level at anechoic room : Low-Middle-High
Sound level dB (A)
20Pa 40Pa
31-33-38 32-37-39
31-33-38 32-37-39
31-35-38 34-37-40
34-37-40 37-39-43
37-42-45 38-44-47
PFFY-WP20VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
15.0 audible limit on
continuous noise
10.0
63 125 250 500 1k 2k
Octave band center frequencies (Hz)
PFFY-WP25VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
15.0 audible limit on
continuous noise
10.0
63 125 250 500 1k 2k
Octave band center frequencies (Hz)
PFFY-WP32VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
70.0
50/60Hz
High
Middle 50/60Hz
65.0
50/60Hz
Low
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
15.0 audible limit on
continuous noise
10.0
63 125 250 500 1k 2k
Octave band center frequencies (Hz)
60Pa
36-38-42
36-38-42
36-40-42
37-41-44
39-45-48
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k
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