Mitsubishi Heavy Industries FDT Series Technical Manual page 131

20
10
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
(d) Duct connected-High static pressure-type (FDU)
Model FDU71VD
Noise level 41 dB (A) at HIGH
37 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
(e) Duct connected-Low / Middle static pressure type (FDUM)
Model FDUM50VF
Noise level 37 dB (A) at P-HIGH
32 dB (A) at HIGH
29 dB (A) at MEDIUM
26 dB (A) at LOW
60
50
40
30
20
10
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
Model FDUM100VF
Noise level 44 dB (A) at P-HIGH
38 dB (A) at HIGH
36 dB (A) at MEDIUM
30 dB (A) at LOW
60
50
40
30
20
10
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
20 20
10 10
2000 4000 8000 63 125
Mid Octave Band Frequency (Hz)
Measured based on JIS B 8616
Mike position as right
Model FDU100VD
Noise level 42 dB (A) at HIGH
70 70
60 60
50 50
40 40
30 30
20 20
2000 4000 8000 63 125
Mid Octave Band Frequency (Hz)
Measured based on JIS B 8616
Mike position as right
Model FDUM60VF
Noise level 36 dB (A) at P-HIGH
60 60
50 50
40 40
30 30
20 20
10 10
2000 4000 8000 63 125
Mid Octave Band Frequency (Hz)
Model FDUM125VF
Noise level 45 dB (A) at P-HIGH
60 60
50 50
40 40
30 30
20 20
10
10
2000 4000 8000 63 125
Mid Octave Band Frequency (Hz)
20
10
250 500 1000 2000 4000 8000
1 m
Air
Return duct
1.5 m
37 dB (A) at LOW
70
60
50
40
30
20
250 500 1000 2000 4000 8000
31 dB (A) at HIGH
28 dB (A) at MEDIUM
25 dB (A) at LOW
60
50
40
30
20
10
250 500 1000 2000 4000 8000
40 dB (A) at HIGH
34 dB (A) at MEDIUM
29 dB (A) at LOW
60
50
40
30
20
10
250 500 1000 2000 4000 8000
130
- -
'12 • PAC-T-173
2 m
Unit
Supply duct
Mike (at center & below unit)
Models FDU125VD, 140VD
Noise level 43 dB (A) at HIGH
38 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
1m 2m
Air
Unit
Return duct
Supply duct
1.5m
Mike (at center & below unit)
Model FDUM71VF
Noise level 38 dB (A) at P-HIGH
33 dB (A) at HIGH
29 dB (A) at MEDIUM
25 dB (A) at LOW
60
50
40
30
20
10
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
Model FDUM140VF
Noise level 47 dB (A) at P-HIGH
40 dB (A) at HIGH
35 dB (A) at MEDIUM
30 dB (A) at LOW
60
50
40
30
20
10
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
70
60
50
40
30
20
2000 4000 8000
60
50
40
30
20
10
2000 4000 8000
60
50
40
30
20
10
2000 4000 8000
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