Technical Guide

718432-YTG-D-0313
48 Johnson Controls Unitary Products
DEX Outdoor Sound Power Levels
Size
(Tons)
Sound Rating
1
dB (A)
Octave Band Centerline Frequency (Hz)
125 250 500 1000 2000 4000 8000
DEX024
(2.0)
73 61.5 64.5 68.5 66.5 62 60 54
DEX030
(2.5)
77 60 62.5 64.5 75.5 62.5 59.5 58.5
DEX036
(3.0)
78 63 65 76 73 64.5 62.5 60
DEX042
(3.5)
76 67.5 68.5 69.5 69 66 63.5 60
DEX048
(4.0)
79 71.5 69.5 71.5 75.5 68 67 62
1. Rated in accordance with AHRI 270 standard.