Noise Level - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

17.2.7 Noise level

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
Indoor unit
Measured based on JIS B 8616
Mike position as below
Indoor unit
(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.
(1) Indoor unit
Model FDFL258-A
Noise level 44 dB (A) at HIGH
39 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
(2) Outdoor unit
Model FDC258HEN3A
Noise level 52 dB (A)
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
Mike (front & at low point)
1m
1m
70
60
50
40
30
20
2000 4000 8000
70
60
50
40
30
20
2000 4000 8000
Outdoor unit
Measured on JIS B 8616
Mike position: at highest noise level
Distance from front side
Height
Model FDFL308-A
Noise level 45 dB (A) at HIGH
39 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
Models FDC308HEN-S, 308HES-S
Noise level 52 dB (A)
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
FDFL-H
in position as below
1m
1m
70
60
50
40
30
20
2000 4000 8000
70
60
50
40
30
20
2000 4000 8000
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