Technical Guide

294604-YTG-B-0508
48 Johnson Controls Unitary Products
Sound Performance
Electric Heat Multipliers
Voltage
kW Capacity Multipliers
1
1. Electric heaters are rated at nominal voltage. Use this table to determine the electric heat
capacity for heaters applied at lower voltages.
Nominal Applied
240
208 0.75
230 0.92
480 460 0.92
600 575 0.92
Outdoor Sound Power Levels
Size
(Tons)
Model
Sound Rating
1
dB (A)
1. Rated in accordance with ARI 270 standard.
Octave Band Centerline Frequency (Hz)
125 250 500 1000 2000 4000 8000
024
(2.0)
DEZ, DEQ 80 72706576667258
DEX 73 61.5 64.5 68.5 66.5 62 60 54
030
(2.5)
DEZ, DEQ 79 66676776756657
DEX 77 60 62.5 64.5 75.5 62.5 59.5 58.5
036
(3.0)
DEZ, DEQ 74 65646768676559
DEX 78 63 65 76 73 64.5 62.5 60
042
(3.5)
DEZ, DEQ 74 64656869635957
DEX 76 67.5 68.5 69.5 69 66 63.5 60
048
(4.0)
DEZ, DEQ 80 71727473696762
DEX 79 71.5 69.5 71.5 75.5 68 67 62
060
(5.0)
DEZ, DEQ 80 68717473727260
DEY 79 68 70 73.5 73 68.5 66.5 62.5