LG MULTI F Engineering Manual page 35

F
MULTI MAX
WITH
Figure 19: Acoustic Measurement Location.
4.92'
Side View
3.3'
Figure 20: Sound Pressure Level Diagrams.
LMU360HHV
80
75
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
10
63 125 250 500
Octave Band Center Frequency (Hz)
Cooling
Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1000 2000 4000 8000
©
MULTI F MAX WITH LGRED
•
• Measurements taken with no attenuation and units operating at full
load normal 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 pressure levels are measured in dB(A) ±3.
• Tested in anechoic chamber per ISO Standard 3745.
Table 23: Sound Pressure Levels (dB[A]).
Model No.
LMU360HHV
LMU420HHV
LMU420HHV
80
75
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
10
63 125 250 500 1000
Octave Band Center Frequency (Hz)
Acoustic Data
Sound Pressure Levels (dB[A])
Cooling
54
54
Cooling
Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
2000 4000 8000
MULTI F MAX WITH LGRED | 35
Heating
57
57