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51
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Model FDURA501
2.9 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.
Notes
(2) The data in the chart are measured in an unechonic room.
Notes
(3) The noise levels measured in the field are usually higher than the data because of reflection.
Notes
(4) Noise levels for the FDT, FDEN and FDKN series show the noise level when in the Powerful mode.
(1)
Indoor unit
(a)
Ceiling recessed type (FDT)
Measured based on JIS B 8616
Mike position as right
Models FDTA151, 201
Noise level
36 dB (A) at HIGH
33 dB (A) at MEDIUM
32 dB (A) at LOW
0
20
40
60
80
100
120
140
160
180
200
33.5 35.5 37.5 39.5 41.5 43.5 45.5 47.5 49.5
50
Upper
limit
50
Standard
pressure
42
Standard
air flow
Lower
limit
Air flow(m
3
/min)
Static pressure (Pa)
High speed-Upper limit
High speed-Upper limit
High speed-Lower limit
High speed-High
High speed-High
High speed-Low
High speed-Low
Standard-Low
Standard-Low
High speed-High
High speed-High
High speed-Upper limit
High speed-Lower limit
High speed-High
High speed-Low
Standard-Lower
Standard-High
Standard-Upper limit
Standard-Upper limit
1.5m
Mike (center & low points)
Model FDTA251
Noise level
38 dB (A) at HIGH
35 dB (A) at MEDIUM
33 dB (A) at LOW
Model FDTA301
Noise level
38 dB (A) at HIGH
35 dB (A) at MEDIUM
33 dB (A) at LOW
N60
40
50
40
50
63
125
250
500
1000
2000
4000
8000
10
20
30
10
20
30
N50
N40
N30
N20
60
60
N10
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N60
40
50
40
50
63
125
250
500
1000
2000
4000
8000
10
20
30
10
20
30
N50
N40
N30
N20
60
60
N10
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N60
40
50
40
50
63
125
250
500
1000
2000
4000
8000
10
20
30
10
20
30
N50
N40
N30
N20
60
60
N10
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)