333495-YTG-C-0908
Johnson Controls Unitary Products 37
Sound Performance
Electric Heat Minimum Supply Air
Size
(Tons)
Model Voltage
Minimum Supply Air (CFM)
Heater kW
5.0 7.5 10.0 15.0 20.0 25.0
024
(2.0)
BHZ
BHX
208/230-1-60 630 630 800 - - -
030
(2.5)
BHZ
208/230-1-60 630 630 800 800 - -
208/230-3-60 630 630 800 800 - -
460-3-60 630 630 800 800 - -
036
(3.0)
BHZ
BHX
208/230-1-60 1070 1070 1070 1070 - -
208/230-3-60 1070 1070 1070 1070 - -
460-3-60 1070 1070 1070 1070 - -
042
(3.5)
BHZ
208/230-1-60 1225 1225 1225 1225 - -
208/230-3-60 1225 1225 1225 1225 - -
460-3-60 1225 1225 1225 1225 - -
048
(4.0)
BHZ
BHX
208/230-1-60 - - 1200 1430 1430 1430
208/230-3-60 - - 1200 1430 1430 1430
460-3-60 - - 1200 1430 1430 1430
060
(5.0)
BHZ
BHX
208/230-1-60 - - 1615 1615 1955 1955
208/230-3-60 - - 1615 1615 1955 1955
460-3-60 - - 1615 1615 1955 1955
Indoor Blower Specifications
Size
(Tons)
Model
Motor
HP RPM Eff. SF Frame
024
(2.0)
BHZ
BHX
1/2 Variable 0.8 1.0 48
030
(2.5)
BHZ 1/2 Variable 0.8 1.0 48
036
(3.0)
BHZ
BHX
3/4 Variable 0.8 1.0 48
042
(3.5)
BHZ 3/4 Variable 0.8 1.0 48
048
(4.0)
BHZ
BHX
3/4 Variable 0.8 1.0 48
060
(5.0)
BHZ
BHX
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)
BHZ 77 6474716965.55846
BHX 75 65.5 66.5 69 69.5 64 62 57
030
(2.5)
BHZ 77 65 66.5 72 71.5 68.5 65.5 64.5
036
(3.0)
BHZ 78 67.5 67 73 73 69 64.5 61.5
BHX 79 73 71.5 72 71 67 64.5 60
042
(3.5)
BHZ 77 64.5 67 71.5 72.5 69.5 64.5 59
048
(4.0)
BHZ 78 656772726967.563
BHX 80 70717574706667
060
(5.0)
BHZ 85 70 72.5 79 79.5 76 73.5 73
BHX 80 67 6973.577 6966.560
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