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PRODUCT DATA | 21
Product Data
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Figure 4: Mega Indoor Unit Sound Level Measurement.
Model
Sound Pressure Levels (dB[A])
Cooling Heating
HMLHML
Mega
LSN090HEV2 42 36 28 42 36 28
LSN120HEV2 42 36 28 42 36 28
LSN180HEV2 48 43 38 48 43 38
LSN240HEV2 48 43 38 48 43 38
Mega 115V
LSN090HXV 39 33 23 39 33 23
LSN120HXV 39 33 23 39 33 23
Table 8: Indoor Unit Acoustic Data.
ACOUSTIC DATA
Figure 5: Sound Pressure Levels for Mega LSN090HEV2 Indoor Units.
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• Measurements are taken 3.3 ft away from the front of the unit.
• Sound pressure levels are measured in dB(A) with a tolerance of
±1.
• Data is valid at nominal operation conditions. Operating conditions
are assumed to be standard.
• 5HIHUHQFHDFRXVWLFSUHVVXUHG% ȝ3D
• Sound pressure levels are tested in an anechoic chamber under
ISO Standard 3745, and may be different according to the test
condition or equipment.
• Sound level will vary depending on a range of factors including the
construction (acoustic absorption coefficient) of a particular room in
which the unit was installed.
2.6 (0.8)
3.3 (1)
Microphone
Unit : ft. (m)
LSN090HEV2
Cooling Heating
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave %DQG3UHVVXUH/HYHOG% ȝ3D
Ŷ High
Octave Band Center Frequency (Hz
Ɣ Low
ŸMiddle
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Ŷ High
Octave Band Center Frequency (Hz
Ɣ Low
Ÿ Middle
Approximate
Hearing
Threshold
Octave %DQG3UHVVXUH/HYHOG% ȝ3D
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Indoor Unit Sound Pressure Measurement / Sound Pressure Levels
LSN090HEV2 Sound Pressure Levels
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