User Guide

18 | PRODUCT DATA
Art Cool
™
Mirror Wall Mounted Engineering Manual
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Model
Sound Pressure Levels (dB[A])
Cooling (Max) Heating (Max.)
LSU090HSV4 45 45
LSU120HSV4 45 45
LSU180HSV4 53 53
LAU240HSV3 53 53
Table 5: Outdoor Unit Acoustic Data
Figure 1: Outdoor Unit Sound Levels
3.28 ft
Center of
Outdoor Unit
Figure 2: Sound Pressure Levels for LSU090-120-180HSV4, LAU240HSV3 Outdoor Units.
• Measurements are taken 3.28 ft away from the front of the unit.
•
Sound pressure levels are measured in dB(A) with a tolerance of
±3.
• Sound pressure levels are tested in an anechoic chamber under
ISO Standard 3745.
• 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.
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshol d
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
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
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
LSU090HSV4 LSU120HSV4 LSU180HSV4, LAU240HSV3
OUTDOOR UNIT ACOUSTIC DATA