LG Mega LS090HEV2 Engineering Manual page 24

ACOUSTIC DATA
Outdoor Unit Sound Pressure Measurement / Sound Pressure Levels
Figure 10: Outdoor Unit Sound Levels
Unit: ft. (mm)
3.3 (1)
Diagram above for illustrative purposes only. Actual appearance differs depending on
outdoor unit model.
LSU090HEV2 Sound Pressure Levels
Figure 11: Sound Pressure Levels for Mega LSU090HEV2 Outdoor Units.
LSU090HEV2
Cooling
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz)
24 | PRODUCT DATA
Center of
Outdoor Unit
Front
Back
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4000 8000
©
• 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.
•
• 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.
Table 9: Outdoor Unit Acoustic Data
Model
Mega
LSU090HEV2
LSU120HEV2
LSU180HEV2
LSU240HEV2
Mega 115V
LSU090HXV
LSU120HXV
Heating
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz)
Sound Pressure Levels (dB[A])
Cooling (High) Heating (High.)
50
50
55
55
47
47
Front
Back
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4000 8000
50
50
55
55
47
47