Technical Guide

333491-YTG-G-0211
54 Johnson Controls Unitary Products
Sound Performance
Indoor Blower Specifications
Size
(Tons)
Model
Motor
HP RPM Eff. SF Frame
024
(2.0)
DNZ
DNQ
DNX
1/2 Variable 0.8 1.0 48
030
(2.5)
DNZ
3/4 Variable 0.8 1.0 48
DNQ
036
(3.0)
DNZ
DNQ
3/4 Variable 0.8 1.0 48
DNX 1 Variable 0.8 1.0 48
042
(3.5)
DNZ
DNQ
3/4 Variable 0.8 1.0 48
048
(4.0)
DNZ
DNQ
DNX
1 Variable 0.8 1.0 48
060
(5.0)
DNZ
DNQ
1 Variable 0.8 1.0 48
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)
DNZ 77 64 65.5 68 72.5 64.5 60.5 48.5
DNQ 80 66 70.5 74 74.5 72.5 67.5 64.5
DNX 80 66 70.5 74 74.5 72.5 67.5 64.5
030
(2.5)
DNZ
DNQ
74 63.5 64.5 66.5 67 63 57.5 51.5
036
(3.0)
DNZ 74 66.5 66.5 69.5 68 63 59 49.5
DNQ 79.5 69 71.5 74 74 70.5 67 61
DNX 80 70.5 71 74.5 74 71 67.5 64
042
(3.5)
DNZ
DNQ
79 70 70.5 73.5 73 69.5 67 66
048
(4.0)
DNZ 79 70.57173.573 70 66 66
DNQ 80 71.5 71.5 73.5 74 69.5 65 63.5
DNX 81 72.5 73 76 75.5 71 67.5 65
060
(5.0)
DNZ 80 73 71.5 74.5 75 70.5 67 62.5
DNQ 81 73.5 73 76 75.5 71 66.5 61.5