Technical Guide
862075-XTG-G-0415
16 Johnson Controls Unitary Products
Capacity Performance
ZF090-150 Cooling Capacities
ZF090 (7.5 Ton) Imperial
Air on
Evaporator Coil
Temperature of Air on Condenser Coil
Total
Capacity
1,2
(MBh)
Total
Input
(kW)
3
Sensible Capacity (MBh)
Total
Capacity
1,2
(MBh)
Total
Input
(kW)
3
Sensible Capacity (MBh)
CFM
WB
(°F)
Return Dry Bulb (°F) Return Dry Bulb (°F)
90 85 80 75 70 65 90 85 80 75 70 65
85°F 95°F
2250
77 105.2 6.36 45.4 36.2 33.7 - - - 102.4 7.01 45.6 36.3 27.0 - - -
72 98.1 6.35 58.7 49.6 45.4 31.2 - - 94.4 6.99 59.0 49.7 40.4 31.0 - -
67 90.9 6.33 72.1 62.9 57.1 44.5 35.4 - 86.4 6.98 72.4 63.1 53.7 44.4 35.1 -
62 82.9 6.33 79.2 76.7 71.5 58.3 49.1 39.9 79.2 6.97 79.2 76.8 67.5 58.1 48.8 39.5
57 82.6 5.78 78.7 78.7 76.4 63.0 53.9 44.7 78.7 6.96 78.7 78.7 72.2 62.9 53.6 44.2
2625
77 108.4 6.86 48.1 38.7 35.9 - - - 104.1 7.19 57.7 43.5 29.3 - - -
72 101.0 6.85 63.7 53.8 48.3 34.0 - - 95.9 7.17 63.9 53.9 43.9 33.9 - -
67 93.6 6.84 79.4 68.9 60.7 48.0 37.5 - 87.8 7.16 70.1 64.3 58.4 52.6 46.8 -
62 85.4 6.83 80.5 79.2 76.0 62.6 51.8 41.0 80.5 7.15 80.5 79.3 73.4 62.6 51.8 40.9
57 85.0 6.25 80.0 80.0 81.2 67.4 56.3 45.1 80.0 7.15 80.0 80.0 78.6 67.3 56.0 44.7
3000
77 111.5 7.42 50.8 41.2 38.0 - - - 105.8 7.42 69.8 50.8 31.7 - - -
72 103.9 7.40 68.7 58.1 51.1 36.8 - - 97.5 7.41 68.8 58.1 47.4 36.7 - -
67 96.3 7.39 86.7 74.9 64.3 51.4 39.6 - 89.3 7.39 67.8 65.5 63.1 60.8 58.5 -
62 87.9 7.38 81.8 81.8 80.4 66.9 54.4 42.0 81.8 7.38 81.8 81.8 79.3 67.0 54.7 42.4
57 87.5 6.77 81.3 81.3 86.0 71.8 58.7 45.6 81.3 7.38 81.3 81.3 84.9 71.7 58.4 45.2
3325
77 112.9 7.43 58.7 44.9 40.3 - - - 107.3 7.74 68.1 49.6 33.4 - - -
72 105.2 7.41 74.0 62.0 54.3 38.0 - - 98.9 7.73 73.9 62.0 50.0 38.0 - -
67 97.5 7.40 89.2 79.1 68.3 54.0 41.4 - 90.5 7.71 79.8 74.3 66.6 58.8 51.0 -
62 88.9 7.39 83.0 83.0 85.2 68.8 55.9 43.1 83.0 7.70 83.0 83.0 81.7 68.9 56.2 43.4
57 88.6 6.81 82.5 82.5 87.8 71.0 57.8 44.6 82.5 7.70 82.5 82.5 84.3 71.0 57.8 44.6
3650
77 114.2 7.43 66.7 48.5 42.7 - - - 108.8 8.06 66.3 48.4 35.1 - - -
72 106.4 7.42 79.2 65.9 57.5 39.2 - - 100.3 8.05 79.1 65.8 52.6 39.3 - -
67 98.7 7.41 91.8 83.3 72.3 56.6 43.3 - 91.8 8.03 91.8 83.2 70.0 56.7 43.5 -
62 90.0 7.40 84.1 84.1 90.0 70.8 57.4 44.1 84.1 8.02 84.1 84.1 84.1 70.9 57.6 44.4
57 89.6 6.85 83.6 83.6 89.6 70.3 56.9 43.6 83.6 8.02 83.6 83.6 83.6 70.4 57.1 43.9
105°F 115°F
2250
77 96.0 7.80 42.6 33.4 24.1 - - - 89.6 8.60 39.6 30.4 21.3 - - -
72 88.3 7.79 55.9 46.6 37.3 28.1 - - 82.2 8.59 52.7 43.5 34.3 25.1 - -
67 80.6 7.78 69.1 59.8 50.6 41.3 32.0 - 74.8 8.57 65.8 56.6 47.4 38.2 29.0 -
62 73.9 7.77 73.9 72.8 63.5 54.2 45.0 35.7 68.7 8.58 68.7 68.7 59.5 50.3 41.1 32.0
57 73.6 7.77 73.6 73.6 67.4 58.2 48.9 39.6 68.4 8.58 68.4 68.4 62.6 53.4 44.2 35.0
2625
77 97.4 7.98 50.6 38.1 26.4 - - - 90.8 8.78 43.5 32.7 23.4 - - -
72 89.6 7.97 60.7 50.7 40.8 30.9 - - 83.3 8.77 57.4 47.6 37.8 28.0 - -
67 81.8 7.96 70.7 63.4 55.3 47.2 39.1 - 75.8 8.75 71.3 62.5 52.2 41.8 31.5 -
62 75.0 7.95 75.0 74.5 69.5 58.7 47.9 37.1 69.6 8.76 69.6 69.6 65.5 54.8 44.0 33.2
57 74.7 7.95 74.7 74.7 73.7 62.6 51.4 40.2 69.3 8.76 69.3 69.3 68.9 57.9 46.8 35.7
3000
77 98.9 8.21 58.6 42.8 28.6 - - - 92.0 9.01 47.4 34.9 25.5 - - -
72 90.9 8.20 65.4 54.9 44.3 33.8 - - 84.4 9.00 62.1 51.7 41.2 30.8 - -
67 83.0 8.19 72.3 66.9 60.0 53.1 46.2 - 76.7 8.98 76.7 68.4 56.9 45.4 34.0 -
62 76.2 8.18 76.2 76.2 75.4 63.1 50.7 38.4 70.5 8.99 70.5 70.5 71.6 59.2 46.8 34.4
57 75.8 8.18 75.8 75.8 80.1 67.0 53.9 40.8 70.2 8.99 70.2 70.2 75.3 62.3 49.3 36.4
3325
77 100.3 8.53 61.9 43.8 30.1 - - - 93.3 9.33 55.7 38.0 26.8 - - -
72 92.2 8.52 70.4 58.5 46.6 34.8 - - 85.6 9.31 66.8 55.0 43.3 31.5 - -
67 84.2 8.51 78.8 73.2 63.2 53.1 43.1 - 77.9 9.30 77.9 72.0 59.7 47.4 35.1 -
62 77.3 8.50 77.3 77.3 76.9 64.1 51.4 38.6 71.6 9.30 71.6 71.6 72.1 59.3 46.6 33.8
57 76.9 8.50 76.9 76.9 79.0 65.9 52.7 39.6 71.3 9.30 71.3 71.3 73.8 60.7 47.7 34.7
3650
77 101.7 8.85 65.2 44.8 31.6 - - - 94.7 9.65 64.1 41.2 28.1 - - -
72 93.6 8.84 75.3 62.1 48.9 35.7 - - 86.9 9.63 71.6 58.4 45.3 32.2 - -
67 85.4 8.83 85.4 79.5 66.3 53.1 39.9 - 79.0 9.62 79.0 75.7 62.6 49.4 36.3 -
62 78.4 8.82 78.4 78.4 78.4 65.2 52.0 38.8 72.6 9.62 72.6 72.6 72.6 59.5 46.4 33.2
57 78.0 8.82 78.0 78.0 78.0 64.8 51.6 38.4 72.3 9.62 72.3 72.3 72.3 59.2 46.1 32.9