Sound Levels; Nc Curves - Mitsubishi Electric CITY MULTI PEFY-P22VMS-E-S Data Book

5. SOUND LEVELS

5-1. Sound levels
5. SOUND LEVELS
PLFY-P-VBM-E-S
Measurement location
* Measured in anechoic room.

5-2. NC curves

PLFY-P32VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
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)
PLFY-P63VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
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)
PLFY-P125VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
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)
PLFY-P40VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
70.0
50Hz
High
Middle 50Hz
65.0
Middle2 50Hz
50Hz
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)
PLFY-P80VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
70.0
50Hz
High
Middle 50Hz
65.0
Middle2 50Hz
50Hz
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)
50Hz
High
Middle 50Hz
Middle2 50Hz
50Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
2k 4k 8k
INDOOR UNITS
Sound level at anechoic room : Low- Mid2-Mid1 -High
PLFY-P32VBM-E-S
PLFY-P40VBM-E-S
PLFY-P50VBM-E-S
PLFY-P63VBM-E-S
PLFY-P80VBM-E-S
PLFY-P100VBM-E-S
PLFY-P125VBM-E-S
PLFY-P50VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
50Hz
High
Middle 50Hz
Middle2 50Hz
50Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1k 2k 4k 8k
PLFY-P100VBM-E-S
External Static Pressure:
Power Source: 220V/50Hz
50Hz
High
Middle 50Hz
Middle2 60Hz
50Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1k 2k 4k 8k
C7-R Rev.
Sound level dB (A)
29-31-32-34
29-31-33-34
29-31-33-35
32-34-37-39
36-39-42-44
37-41-44-46
70.0
50Hz
High
Middle 50Hz
65.0
Middle2 50Hz
50Hz
Low
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 2k 4k
Octave band center frequencies (Hz)
70.0
50Hz
High
Middle 50Hz
65.0
Middle2 50Hz
50Hz
Low
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 2k 4k
Octave band center frequencies (Hz)
NC-60
NC-50
NC-40
NC-30
NC-20
8k
NC-60
NC-50
NC-40
NC-30
NC-20
8k
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