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528195-YTG-B-0810
32 Johnson Controls Unitary Products
Altitude/Temperature Correction Factors
Air
Temp.
Altitude (Ft.)
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
40 1.060 1.022 0.986 0.950 0.916 0.882 0.849 0.818 0.788 0.758 0.729
50 1.039 1.002 0.966 0.931 0.898 0.864 0.832 0.802 0.772 0.743 0.715
60 1.019 0.982 0.948 0.913 0.880 0.848 0.816 0.787 0.757 0.729 0.701
70 1.000 0.964 0.930 0.896 0.864 0.832 0.801 0.772 0.743 0.715 0.688
80 0.982 0.947 0.913 0.880 0.848 0.817 0.787 0.758 0.730 0.702 0.676
90 0.964 0.929 0.897 0.864 0.833 0.802 0.772 0.744 0.716 0.689 0.663
100 0.946 0.912 0.880 0.848 0.817 0.787 0.758 0.730 0.703 0.676 0.651
Electric Heat Minimum Supply Air
Size
(Tons)
Model Voltage
Minimum Supply Air (CFM)
Heater kW
9 18243654
078
(6.5)
XP
208/230-3-60 1950 1950 1950 1950 -
460-3-60 1950 1950 1950 1950 -
600-3-60 1950 1950 1950 1950 -
090
(7.5)
XP
208/230-3-60 2250 2250 2250 2250 -
460-3-60 2250 2250 2250 2250 -
600-3-60 2250 2250 2250 2250 -
102
(8.5)
XP
208/230-3-60 2550 2550 2550 2550 -
460-3-60 2550 2550 2550 2550 -
600-3-60 2550 2550 2550 2550 -
120
(10)
XP
208/230-3-60 - 3000 3000 3000 3500
460-3-60 - 3000 3000 3000 3000
600-3-60 - 3000 3000 3000 3500
150
(12.5)
XP
208/230-3-60 - 3750 3750 3750 4000
460-3-60 - 3750 3750 3750 3750
600-3-60 - 3750 3750 3750 3750
0.600
0.650
0.700
0.750
0.800
0.850
0.900
0.950
1.000
1.050
1.100
40 50 60 70 80 90 100
Air Temperature (ºF)
Correction Factor
Sea Level
1000 ft
2000 ft
3000 ft
4000 ft
6000 ft
7000 ft
8000 ft
9000 ft
10000 ft
5000 ft