Mitsubishi Heavy Industries SRRM40HENG-L, Handbook, Page: 671 / 1106

669
FDFL-H
Noise level
45 dB (A) at HIGH
39 dB (A) at LOW
Noise level
44 dB (A) at HIGH
39 dB (A) at LOW
Noise level 52 dB (A)
Noise level
52 dB (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)
Sound pressure level (Standard 0.0002
µ
bar) dB
Mid octave band frequency (Hz)
Sound pressure level (Standard 0.0002
µ
bar) dB
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
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
(2) Outdoor unit
Model FDC258HEN3A Models FDC308HEN-S, 308HES-S
17.2.7 Noise level
(3) The noise levels measured in the field are usually higher than the data because of reflection.
(1) Indoor unit
Model FDFL258-A Model FDFL308-A
Notes (1) The data are based on the following conditions.
Ambient air tempetature:
Indoor unit 27˚C DB, 19˚C WB.
Outdoor unit 35˚C DB
Outdoor unit
Measured on JIS B 8616
Mike position: at highest noise level
in position as below
Distance from front side 1m
Height 1m
(2) The data in the chart are measured in an unechonic room.
Indoor unit
Measured based on JIS B 8616
Mike position as below
1m
Mike (front & at low point)
1m
Indoor unit