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I-81
SM831148
1. Specifications
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1-8 Noise Criterion Curves
Outdoor Units
REMARKS: 1. Value obtained in the actual place where the unit is installed may be slightly higher than the values shown
in this graph because of the conditions of operation, the structure of the building, the background noise and
other factors.
2. The test results were obtained from an nechoic room.
NOTE
To evaluate “Noise level” the maximum number of the measured OCTAVE BAND SOUND PRESSURE LEVEL is used.
Read the number on each BAND CENTER FREQUENCIES (horizontal axis) ranging from 63 Hz to 8000 Hz and select the
maximum value (vertical axis) among them.