Mitsubishi Electric PMFY-1, Engineering Manual

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PMFY-7 2012 PMFY-P-NBMU-ER5 (October 2012)
© 2012 Mitsubishi Electric US, Inc.
27-30-33-35
32-34-36-37
Operating sound levels
(Low-Medium2-Medium1-High)
PMFY-P06NBMU-E
PMFY-P08NBMU-E
32-34-36-37
33-35-37-39
PMFY-P12NBMU-E
PMFY-P15NBMU-E
Sound levels (A weighted) Model
Unit : dB(A)
Ceiling cassette series
UNIT
(1.5m)
MICROPHONE
CEILING
Measurement location
4-
7/ 8 ft
5-2. NC Curves
5. sOUNd PREssURE lEvEls
5-1. sound Pressure levels
PMFY-P06NBMU-ER5
External Static Pressure: 0Pa [0.00 in.WG]
Power Source: 208-230V, 60Hz
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63 125 250 500 1k 2k 4k 8k
NC-60
NC-50
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low 60Hz
Middle1 60Hz
Middle2 60Hz
60Hz
Ref.:NC_PMFY-P06NBMU-E
27-30-33-35
32-34-36-37
Operating sound pressure levels
(Low-Medium2-Medium1-High)
PMFY-P06NBMU-ER5
PMFY-P08NBMU-ER5
32-34-36-37
33-35-37-39
PMFY-P12NBMU-ER5
PMFY-P15NBMU-ER5
Sound levels (A weighted) Model
Unit : dB(A)
PMFY-P08,12NBMU-ER5
External Static Pressure: 0Pa [0.00 in.WG]
Power Source: 208-230V, 60Hz
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63 125 250 500 1k 2k 4k 8k
NC-60
NC-50
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
60Hz
Middle1 60Hz
Middle2
60Hz
60Hz
Ref.:NC_PMFY-P08,12NBMU-E
PMFY-P15NBMU-ER5
External Static Pressure: 0Pa [0.00 in.WG]
Power Source: 208-230V, 60Hz
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63 125 250 500 1k 2k 4k 8k
NC-60
NC-50
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
60Hz
Middle1 60Hz
Middle2
60Hz
60Hz
Ref.:NC_PMFY-P15NBMU-E