Mitsubishi Heavy Industries SRRM40HENG-L, Handbook, Page: 615 / 1106

613
FDU-H
(2) The data in the chart are measured in an unechonic room.
(3) The noise levels measured in the field are usually higher than the data because of reflection.
Unit
1.5 m
15.2.8 Noise level
Notes (1) The data are based on the following conditions.
Ambient air temperature:
Indoor unit 27
°
C DB, 19
°
C WB
Outdoor unit 35
°
C DB,
Indoor unit
Measured based on JIS B 8616
Mike position as below
Outdoor unit
Only case of FDC 308~508 and FDC 306~506 type.
Measured based on JIS B 8616
Mike position: at highest noise level
in position as below
Distance from front side 1 m
Height 1 m
Only case of FDC 808, 1008 type.
Mike position: Front height is 1 meter.
(1) Indoor unit
Model FDU308-A (50Hz)
Noise level
41dB (A)
Model FDU308-A (60Hz)
Noise level
43dB (A)
Model FDU408-A (50Hz)
Noise level
44dB (A)
Model FDU508-A (50Hz)
Noise level
45dB (A)
Model FDU508-A (60Hz)
Noise level
47dB (A)
Model FDU408-A (60Hz)
Noise level
46dB (A)
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
N30
N20
N50
N60
N70
63 125 250 500 1000 2000 4000 8000
20
30
40
50
60
70
20
30
40
50
60
70
N40
Sound pressure level (Standard 0.0002
µ
bar) dB
Model FDU1008-A
Noise level 49dB (A)
Model FDU808-A
Noise level 48dB (A)