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52 | STANDARD

MULTI V Wall-Mounted Indoor Unit Engineering Manual

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STANDARD WALL-MOUNTED

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• 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 34: Sound Pressure Measurement Location.

Model

Sound Pressure Levels dB(A)

High Fan Speed Medium Fan Speed Low Fan Speed

6%)UDPHV

ARNU053SBL4 30.0 29.0 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

6&)UDPHV

ARNU183SCL4 40.0 35.0 31.0

ARNU243SCL4 45.0 40.0 35.0

69)UDPHV

ARNU303SVA4 49.0 44.0 42.0

ARNU363SVA4 52.0 47.0 43.0

Table 29: Standard Wall-Mounted Sound Pressure Levels.

Figure 35: ARNU053SBL4, ARNU073SBL4, and ARNU093SBL4 Sound Pressure Level Diagrams.

ARNU053SBL4 ARNU073SBL4 ARNU093SBL4

3.3 ft.

Microphone

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