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528150-YTG-G-1210
134 Johnson Controls Unitary Products
Indoor Sound Power Levels (6.5 thru 12.5 Ton)
Size
(Tons)
Model CFM
ESP
(IWG)
Blower
Sound Power, dB (10
-12
) Watts
Sound Rating
1
dB (A)
Octave Band Centerline Frequency (Hz)
RPM BHP 63 125 250 500 1000 2000 4000 8000
078
(6.5)
ZH/ZJ/ZR 2600 0.6 812 1.14 74 71 73 73 71 69 65 65 60
090
(7.5)
ZH/ZJ/ZR 3000 0.6 854 1.47 77 74 76 76 74 72 68 68 63
102
(8.5)
ZH/ZJ/ZR 3400 0.6 872 1.65 80 77 79 79 77 75 71 71 66
120
(10)
ZH/ZJ/ZR 4000 0.6 959 2.29 83 80 82 82 80 78 74 74 69
150
(12.5)
ZH/ZJ/ZR 5000 0.6 1132 3.74 87 84 86 86 84 82 78 78 73
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.