User Guide

PRODUCT DATA | 19
Product Data
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Figure 3: Indoor Unit Sound Levels
2.62 ft
3.28 ft
Microphone
Model
Sound Pressure Levels (dB[A])
Cooling Heating
HMLHML
LAN090HSV4 38 33 23 38 33 23
LAN120HSV4 39 33 23 39 33 23
LAN180HSV4 45 40 35 45 40 35
LAN240HSV3 45 40 35 45 40 35
Table 6: Indoor Unit Acoustic Data
Figure 4: Sound Pressure Levels for LAN90-120-180HSV4 Indoor 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 absorp-
tion coefficient) of a particular room in which the unit was installed.
INDOOR UNIT ACOUSTIC DATA
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Sound Pressure Level (0dB = 20μPa)
Octave Band Center Frequency (Hz)
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
Octave Band Sound Pressure Level (0dB = 20μPa)
Octave Band Center Frequency (Hz)
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
Octave Band Sound Pressure Level (0dB = 20μPa)
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
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
Threshold
LAN090HSV4 LAN120HSV4 LAN180HSV4, LAN240HSV3