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Acoustic Data; Acoustic Data - LG ARNU 073 SER2 Engineering Manual

Multi v wall-mounted indoor unit
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StandaRd Wall-Mounted

Acoustic data

Sound Pressure levels
Figure 19: Sound Pressure Measurement Location.
3.3 ft.
Microphone
Table 27: Standard Wall-Mounted Sound Pressure Levels.
Model
SB Frames
ARNU053SBL4
ARNU073SBL4
ARNU093SBL4
ARNU123SBL4
ARNU153SBL4
SC Frames
ARNU183SCL4
ARNU243SCL4
Figure 20: ARNU053SBL4, ARNU073SBL4, and ARNU093SBL4 Sound Pressure Level Diagrams.
ARNU053SBL4
42 | StAndArd
• 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.
3.3 ft.
High Fan Speed
32.0
32.0
34.0
40.0
42.0
40.0
45.0
Due to our policy of continuous product innovation, some specifications may change without notification.
©
LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Sound Pressure Levels dB(A)
Medium Fan Speed
30.0
30.0
31.0
34.0
40.0
35.0
40.0
ARNU073SBL4
Low Fan Speed
28.0
28.0
30.0
31.0
34.0
31.0
35.0
ARNU093SBL4

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