Technical Guide

251933-YTG-V-0913
Johnson Controls Unitary Products 61
Sound Performance
ZF/ZR/XP Indoor Sound Power Levels
Size
(Tons)
CFM
ESP
(IWG)
Blower
Sound Power, dB (10
-12
) Watts
Sound Rating
1
dB (A)
1. These values have been accessed using a model of sound propagation from a point source into the hemispheric/free field. The
dBA values provided are to be used for reference only. Calculation of dBA values cover matters of system design and the fan
manufacture has no way of knowing the details of each system. This constitutes an exception to any specification or guarantee
requiring a dBA value of sound data in any other form than sound power level ratings.
Octave Band Centerline Frequency (Hz)
RPM BHP 63 125 250 500 1000 2000 4000 8000
036
(3.0)
1200 0.2 630 0.41 63 82 77 59 50 43 42 40 45
048
(4.0)
1600 0.2 791 0.54 72 95 84 58 54 46 44 45 44
060
(5.0)
2000 0.2 840 0.67 62 84 71 58 53 50 49 49 49
072
(6.0)
2200 0.3 920 1.45 76 61 71 68 67 72 66 61 54
ZF/ZR Outdoor Sound Power Levels
Size
(Tons)
Sound Rating
1
dB (A)
1. Rated in accordance with AHRI 270 standard.
Octave Band Centerline Frequency (Hz)
63 125 250 500 1000 2000 4000 8000
036
(3.0)
81 87.5 86.0 81.0 77.0 75.0 69.5 65.5 70.5
048
(4.0)
80 84.5 81.0 80.0 78.0 75.0 70.0 67.0 70.5
060
(5.0)
82 86.5 87.5 81.5 77.5 75.0 71.5 68.0 70.5
XP Outdoor Sound Power Levels
Size
(Tons)
Sound Rating
1
dB (A)
1. Rated in accordance with AHRI 270 standard.
Octave Band Centerline Frequency (Hz)
63 125 250 500 1000 2000 4000 8000
036
(3.0)
76 83.5 84.5 76.5 72.0 68.0 66.0 60.0 56.0
048
(4.0)
80 85.0 83.0 81.0 77.5 75.5 71.5 67.5 61.5
060
(5.0)
80 86.0 84.0 81.0 77.0 75.5 71.0 66.5 60.5