Noise Level - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

FDT ( N ) -C

9.2.7 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
(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
FDTN208C
Models
FDT208-A
Noise level 38 dB (A) at HIGH
33 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
FDTN408C
Models
FDT408-A
Noise level 48 dB (A) at HIGH
40 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
(2) Outdoor unit
FDC208CEN3
Model
Noise level 52 dB (A)
70
60
50
40
30
20
63 125 250 500 1000
Mid octave band frequency (Hz)
394
Mike (center & low points)
FDTN258C
Models
FDT258-A
Noise level 39 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)
FDTN508C
Models
FDT508-A
Noise level 49 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)
FDC258CEN3
Model
Noise level 52 dB (A)
70 70
60 60
50 50
40 40
30 30
20 20
2000 4000 8000 63 125
Outdoor unit
Measured based on JIS B 8616
Mike position: at highest noise level
Distance from front side
Height
35 dB (A) at LOW
70
60
50
40
30
20
250 500 1000 2000 4000 8000
43 dB (A) at LOW
70
60
50
40
30
20
250 500 1000 2000 4000 8000
70
60
50
40
30
20
250 500 1000 2000 4000 8000
Mid octave band frequency (Hz)
in position as below
1 m
1 m
FDTN308C
Models
FDT308-A
Noise level 41 dB (A) at HIGH
35 dB (A) at LOW
70
60
50
40
30
20
63 125 250 500 1000 2000
Mid octave band frequency (Hz)
FDC306CEN3
Model
Noise level 56 dB (A)
70
60
50
40
30
20
63 125 250 500 1000 2000
Mid octave band frequency (Hz)
70
60
50
40
30
20
4000 8000
70
60
50
40
30
20
4000 8000