Acoustic Data - LG MULTI F Engineering Manual

VERTICAL-HORIZONTAL INDOOR UNITS

Acoustic Data

Figure 221: Sound Pressure Level Measurement Location.
With Case
3.3 ft.
Figure 222: Sound Pressure Level Diagrams.
LMVN240HV
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz)
160 | VERTICAL-HORIZONTAL
• Measurement taken 3.3' away from the unit.
• Measurements taken with no attenuation and units operating at full load normal
Microphone
operating condition.
• Sound level will vary depending on a range of factors such as construction
(acoustic absorption coefficient) of particular area in which the equipment is
installed.
• Sound power levels are measured in dB(A)±3.
• Tested in anechoic chamber per ISO Standard 3745.
Table 90: Sound Pressure Levels (dB[A]).
Model No.
LMVN240HV
LMVN360HV
80
70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
NC-35
30
NC-30
NC-25
20
NC-20
NC-15
10
63
4000 8000
Due to our policy of continuous product innovation, some specifications may change without notification.
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Sound Pressure Levels (dB[A]) (Cooling and Heating)
High Fan Speed
43
45
LMVN360HV
125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
MULTI
MULTI
Medium Fan Speed Low Fan Speed
42
44
F
F
MAX
41
43