Table of Contents
FDEN-H
10.2.7 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
Mike (front & at low point)
(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
FDEN208H
Model
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)
FDEN408H
Model
Noise level 49 dB (A) at HIGH
49 dB (A) at LOW
70
60
50
40
30
20
63
125
250
500
1000
Mid octave band frequency (Hz)
(2) Outdoor unit
FDC208HEN3A
Model
Noise level
52dB (A)
70
60
50
40
30
20
63
125
250
500
1000
Mid octave band frequency (Hz)
428
Unit
1 m
FDEN258H
Model
Noise level 44 dB (A) at HIGH
70
70
60
60
50
50
40
40
30
30
20
20
2000
4000
8000
63
125
250
Mid octave band frequency (Hz)
FDEN508H
Model
Noise level 50 dB (A) at HIGH
70
70
60
60
50
50
40
40
30
30
20
20
63
125
2000
4000
8000
Mid octave band frequency (Hz)
FDC258HEN3A
Model
Noise level
70
70
60
60
50
50
40
40
30
30
20
20
63
125
2000
4000
8000
Mid octave band frequency (Hz)
Outdoor unit
Measured based on JIS B 8616
Mike position: at highest noise level
Distance from front side
Height
39 dB (A) at LOW
70
60
50
40
30
20
500
1000
2000
4000
8000
44 dB (A) at LOW
70
60
50
40
30
20
250
500
1000
2000
4000
8000
52dB (A)
70
60
50
40
30
20
250
500
1000
2000
4000
8000
in position as below
1 m
1 m
FDEN308H
Model
Noise level 45 dB (A) at HIGH
39 dB (A) at LOW
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
Hide quick links:
Chapters
Table of Contents
Troubleshooting
