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628767-YTG-C-0910
Johnson Controls Unitary Products 19
Static Resistance
Static Resistance
Sound Performance
Indoor Sound Power Levels
Model CFM Hot Water Coil Steam Coil
ND360
10000 0.08 0.11
11000 0.09 0.14
12000 0.10 0.17
13000 0.12 0.20
14000 0.14 0.23
ND480
12800 0.11 -
14400 0.13 -
16000 0.15 -
17600 0.17 -
19200 0.20 -
ND600
16000 0.15 -
18000 0.18 -
20000 0.21 -
22000 0.24 -
24000 0.28 -
Model
(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
ND360
(30)
12000 0.75 755 5.66 86 84 84 82 81 81 77 74 69
ND480
(40)
16000 0.80 800 8.9 92 90 90 88 90 86 84 81 76
ND600
2
(50)
2
ND600 Combined with M1CZ600 Evaporator Section
20000 1.13 700 10.7 88 87 87 85 86 82 80 78 73