42 | STANDARD
MULTI V Wall-Mounted Indoor Unit Engineering Manual
Due to our policy of continuous product innovation, some specications may change without notication.
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LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
STANDARD WALL-MOUNTED
Acoustic Data
Sound Pressure Levels
• 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 ±3.
• Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745.
Operating Conditions :
• Power source: 220V/60 Hz
• 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.
Figure 19: Sound Pressure Measurement Location.
Model
Sound Pressure Levels dB(A)
High Fan Speed Medium Fan Speed Low Fan Speed
SB Frames
ARNU053SBL4 32.0 30.0 28.0
ARNU073SBL4 32.0 30.0 28.0
ARNU093SBL4 34.0 31.0 30.0
ARNU123SBL4 40.0 34.0 31.0
ARNU153SBL4 42.0 40.0 34.0
SC Frames
ARNU183SCL4 40.0 35.0 31.0
ARNU243SCL4 45.0 40.0 35.0
Table 27: Standard Wall-Mounted Sound Pressure Levels.
Figure 20: ARNU053SBL4, ARNU073SBL4, and ARNU093SBL4 Sound Pressure Level Diagrams.
ARNU053SBL4 ARNU073SBL4 ARNU093SBL4
3.3 ft.
3.3 ft.
Microphone
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