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

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5. SOUND LEVELS

5-1. Sound levels
5. SOUND LEVELS
Wall mounted
1m
Measurement
location
* Measured in anechoic room.

5-2. NC curves

PKFY-P15VBM-EC
External Static Pressure: 0Pa
Power Source: 220-240V/50Hz, 220V/60Hz
70.0
High
Low
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)
PKFY-P40VHM-EC
External Static Pressure: 0Pa
Power Source: 220-240V/50Hz, 220V/60Hz
70.0
High
Low
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)
1m
PKFY-P20, 25VBM-EC
External Static Pressure: 0Pa
Power Source: 220-240V/50Hz, 220V/60Hz
70.0
50/60Hz
50/60Hz
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
2k
4k
8k
63
125
Octave band center frequencies (Hz)
PKFY-P50VHM-EC
External Static Pressure: 0Pa
Power Source: 220-240V/50Hz, 220V/60Hz
70.0
50/60Hz
50/60Hz
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
2k
4k
8k
63
125
Octave band center frequencies (Hz)
INDOOR UNITS
Sound level at anechoic room : Low-(Middle2-Middle)-High
Model
PKFY-P15VBM-EC
PKFY-P20VBM-EC
PKFY-P25VBM-EC
PKFY-P32VHM-EC
PKFY-P40VHM-EC
PKFY-P50VHM-EC
50/60Hz
High
50/60Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250
500
1k
2k
4k
8k
50/60Hz
High
50/60Hz
Low
NC-60
NC-50
NC-40
NC-30
NC-20
250
500
1k
2k
4k
8k
Sound level dB (A)
29-31-32-33
29-31-34-36
34-37-41
34-38-41
34-39-43
PKFY-P32VHM-EC
External Static Pressure: 0Pa
Power Source: 220-240V/50Hz, 220V/60Hz
70.0
High
Low
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
2k
Octave band center frequencies (Hz)
C7-R Rev.
50/60Hz
50/60Hz
NC-60
NC-50
NC-40
NC-30
NC-20
4k
8k
1 - 99

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