Specifications

APPLICATION DATA (cont)
17. Sound data
CONDENSING UNIT SOUND RATINGS
UNIT
538S
SOUND RATING (Decibels) FREE FIELD dBA*
024 68 57.9
048 72 61.9
LEGEND
dBA Decibels on the A Scale
*Free field is a rating with no reflective surfaces near the unit. Sound
pressure data is measured at 1 m from the unit. See Sound Power
Data Octave Bands table for more information.
NOTE: Units rated in accordance with ARI (Air Conditioning & Refrig-
eration Institute) Standard 270.
SOUND POWER DATA OCTAVE BANDS A WEIGHTED
UNIT
FAN
SPEED
OCTAVE BAND DATA (dBA)
125 250 500 1000 2000 4000 8000
538S024 H 48.6 55.8 59.6 61.8 59.3 55.1 44.2
538S048 H 58.5 63.2 64.3 65.3 64.2 61.3 50.7
619E018
H 40.8 49.1 53.7 55.2 49.1 41.3 32.3
M 38.0 46.7 50.6 51.7 44.9 35.8 31.6
L 37.3 44.4 47.5 48.6 40.4 32.0 31.6
619E024
H 44.9 51.9 59.1 59.5 54.8 48.0 36.7
M 43.7 50.5 57.2 57.0 51.8 44.4 33.6
L 40.7 47.7 55.1 54.7 49.0 40.5 32.2
619C024*
H 38.1 50.0 52.6 54.7 49.0 41.5 31.8
M 36.4 47.7 50.7 52.3 46.3 37.4 29.5
L 35.1 46.2 49.3 50.5 43.5 34.3 29.0
619C024
H 39.2 50.9 53.4 56.0 50.4 43.1 32.8
M 38.1 50.0 52.6 54.7 49.0 41.5 31.8
L 36.4 47.7 50.7 52.3 46.3 37.4 29.5
619F024
H 32.1 45.0 51.2 54.1 46.5 45.0 36.5
M 42.0 44.1 48.0 47.5 42.2 37.3 36.8
L 40.9 43.0 46.9 46.4 41.1 36.2 35.7
619F036
H 45.0 45.8 50.9 51.8 47.4 38.8 32.9
M 35.5 40.2 46.1 45.2 39.0 29.9 28.7
L 31.2 37.8 40.3 37.0 26.5 24.5 27.3
LEGEND
ARI Air Conditioning & Refrigeration Institute
dBA Decibels on the A scale
H—High
L—Low
M—Medium
*Field reconfigured for 18,000 Btuh.
NOTES:
1. Outdoor sound levels are tone corrected values taken in accordance with ARI Sound Standard 270.
2. Indoor sound levels are tone corrected values taken in accordance with ARI Sound Standard 350.
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