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Sound levels
2.3.12 Sound levels
Overall
Sound Pressure Level (dB re 20μPa)
90
80
70
60
50
40
30
1m
Sound Pressure Level
Sound Pressure Level (dB re 20μPa)
20
NC-25
NC-20
10
NC-15
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
80
70
60
50
40
30
20
10
Approximate
Hearing
Threshold
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Microphone
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
1m
Sound Pressure Level (dB re 20μPa)
Sound Pressure Level (dB re 20μPa)
90
80
70
60
50
40
30
20
Notes:
- Sound measured at 1m away from the center of the unit.
- Data is valid at free field condition.
- Data is valid at nominal operation condition.
- Reference accoustic pressure 0dB=20μPa
- Sound level will vary depending on a range of factors such as
the construction(acoustic absorption coefficient) of particular
room in which the equipment is installed.
- The operating conditions are assumed to be standard.
AUUH126D [UU12 ULD] AUUH186D [UU18 UED] AUUH246D[UU24 UED]
10
NC-15
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
80
70
60
50
40
30
20
10
Approximate
Hearing
Threshold
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
5CSL0-06B
286 Outdoor unit - Non inverter Single A (1Ø, 3Ø)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
Sound Pressure Level (dB re 20 Pa)
Sound Pressure Level (dB re 20μPa)
90
80
70
60
50
40
30
20
10
NC-15
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
AUUH306D[UU30 UED] AUUH368D[UU37 UED] AUUH488D[UU48 U3D]
AUUH608D[UU60 U3D]
80
70
60
50
40
30
20
10
Approximate
Hearing
Threshold
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20