528195-YTG-I-0513
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
18
24
36
54
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