5167821-YTG-K-1118
42 Johnson Controls Ducted Systems
ZT090 (7.5 ton) 2nd stage cooling
Air on evaporator
coil
Temperature of air on condenser coil
Total
capacity
1
(MBh)
Total input
(kW)
2
Sensible capacity (MBh)
Total
capacity
1
(MBh)
Total input
(kW)
2
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
75°F 85°F
1250
77 80.9 2.6 38.3 31.3 25.3 - - - 76.0 3.2 34.4 28.9 23.0 - - -
72 72.8 2.6 45.0 39.0 33.0 27.1 - - 68.3 3.2 42.5 36.6 30.7 24.8 - -
67 64.8 2.7 51.6 46.7 40.7 34.8 28.8 - 60.7 3.2 50.6 44.3 38.4 32.5 26.6 -
62 56.0 2.7 56.0 56.0 49.7 43.7 37.7 31.8 53.6 3.3 53.6 53.6 46.4 40.5 34.6 28.7
1500
77 83.9 2.6 41.7 34.6 27.5 - - - 78.4 3.1 39.2 32.1 25.1 - - -
72 75.6 2.6 50.1 43.0 35.8 28.7 - - 70.5 3.2 47.5 40.5 33.5 26.4 - -
67 67.2 2.6 58.4 51.3 44.2 37.1 30.0 - 62.6 3.2 55.9 48.9 41.8 34.8 27.8 -
62 58.1 2.7 58.1 58.1 53.9 46.8 39.7 32.6 55.3 3.3 55.3 55.3 50.5 43.4 36.4 29.4
57 59.9 2.8 59.9 59.9 54.9 47.8 40.7 33.6 56.5 3.3 56.5 56.5 51.2 44.2 37.1 30.1
1750
77 87.0 2.5 45.1 37.9 29.6 - - - 80.8 3.1 43.9 35.3 27.1 - - -
72 78.3 2.6 55.2 46.9 38.6 30.4 - - 72.7 3.2 52.5 44.4 36.2 28.0 - -
67 69.6 2.6 65.2 55.9 47.6 39.4 31.1 - 64.5 3.2 61.2 53.4 45.2 37.1 28.9 -
62 60.2 2.7 60.2 60.2 58.1 49.9 41.6 33.3 57.0 3.3 57.0 57.0 54.6 46.4 38.2 30.1
57 62.0 2.7 62.0 62.0 59.2 51.0 42.7 34.5 58.2 3.3 58.2 58.2 55.4 47.2 39.0 30.9
2000
77 90.0 2.5 48.4 41.2 31.8 - - - 83.2 3.1 48.6 38.5 29.2 - - -
72 81.0 2.5 60.2 50.8 41.4 32.1 - - 74.8 3.1 57.5 48.2 38.9 29.6 - -
67 72.0 2.6 72.0 60.5 51.1 41.7 32.3 - 66.4 3.2 66.4 57.9 48.6 39.3 30.0 -
62 62.3 2.6 62.3 62.3 62.3 52.9 43.5 34.1 58.7 3.2 58.7 58.7 58.7 49.4 40.1 30.8
57 64.2 2.7 64.2 64.2 63.5 54.1 44.7 35.3 60.0 3.3 60.0 60.0 59.6 50.3 40.9 31.6
2250
72 82.8 2.5 65.4 54.9 44.5 34.0 - - 76.2 3.1 62.3 52.0 41.7 31.4 - -
67 73.6 2.6 73.6 65.9 54.8 44.4 33.9 - 67.7 3.2 67.7 62.5 52.2 41.9 31.6 -
62 63.7 2.6 63.7 63.7 63.7 53.3 42.8 32.4 59.8 3.2 59.8 59.8 59.8 49.5 39.2 28.9
57 65.6 2.7 65.6 65.6 65.3 54.8 44.4 33.9 61.1 3.3 61.1 61.1 60.9 50.6 40.3 30.0
2500
72 84.6 2.5 70.6 59.0 47.5 36.0 - - 77.6 3.1 67.1 55.8 44.5 33.3 - -
67 75.2 2.6 75.2 71.4 58.6 47.1 35.6 - 68.9 3.2 68.9 67.0 55.7 44.4 33.1 -
62 65.1 2.6 65.1 65.1 65.1 53.6 42.1 30.6 60.9 3.2 60.9 60.9 60.9 49.6 38.3 27.0
57 67.1 2.7 67.1 67.1 67.1 55.6 44.0 32.5 62.2 3.2 62.2 62.2 62.2 50.9 39.6 28.3
95°F 105°F
1250
77 71.1 3.7 30.5 26.6 20.8 - - - 65.1 4.4 27.7 23.5 18.4 - - -
72 63.8 3.8 40.1 34.2 28.4 22.6 - - 57.9 4.4 37.5 31.7 25.9 20.1 - -
67 56.6 3.8 49.6 41.9 36.1 30.3 24.4 - 50.8 4.5 47.3 39.8 33.4 27.6 21.8 -
62 51.2 3.9 51.2 51.2 43.0 37.2 31.4 25.6 47.0 4.5 47.0 47.0 38.5 32.7 26.9 21.1
1500
77 72.9 3.7 36.6 29.6 22.7 - - - 66.5 4.4 35.1 27.2 20.2 - - -
72 65.4 3.8 45.0 38.0 31.1 24.1 - - 59.2 4.4 42.3 35.4 28.5 21.5 - -
67 58.0 3.8 53.4 46.4 39.5 32.5 25.5 - 51.9 4.4 49.5 43.6 36.7 29.8 22.8 -
62 52.5 3.9 52.5 52.5 47.0 40.1 33.1 26.2 48.0 4.5 48.0 48.0 42.3 35.4 28.4 21.5
57 53.2 3.9 53.2 53.2 47.5 40.5 33.6 26.6 48.6 4.5 48.6 48.6 42.8 35.9 29.0 22.0
1750
77 74.6 3.7 42.7 32.7 24.6 - - - 67.9 4.4 42.6 30.8 22.0 - - -
72 67.0 3.7 49.9 41.8 33.7 25.6 - - 60.4 4.4 47.2 39.1 31.0 23.0 - -
67 59.4 3.8 57.1 50.9 42.8 34.7 26.6 - 53.0 4.4 51.8 47.5 40.0 32.0 23.9 -
62 53.8 3.9 53.8 53.8 51.0 43.0 34.9 26.8 49.0 4.5 49.0 49.0 46.1 38.1 30.0 21.9
57 54.5 3.8 54.5 54.5 51.5 43.5 35.4 27.3 49.7 4.5 49.7 49.7 46.7 38.6 30.6 22.5
2000
77 76.4 3.7 48.8 35.8 26.6 - - - 69.3 4.3 50.1 34.4 23.9 - - -
72 68.6 3.7 54.8 45.6 36.4 27.1 - - 61.7 4.4 52.1 42.9 33.6 24.4 - -
67 60.8 3.8 60.8 55.4 46.2 37.0 27.7 - 54.0 4.4 54.0 51.3 43.4 34.2 24.9 -
62 55.1 3.9 55.1 55.1 55.1 45.8 36.6 27.4 50.0 4.5 50.0 50.0 50.0 40.8 31.5 22.3
57 55.8 3.8 55.8 55.8 55.6 46.4 37.1 27.9 50.7 4.4 50.7 50.7 50.6 41.4 32.2 22.9
2250
72 69.6 3.7 59.3 49.1 39.0 28.8 - - 62.3 4.4 55.8 46.3 36.1 25.9 - -
67 61.7 3.8 61.7 59.0 49.5 39.3 29.2 - 54.6 4.4 54.6 53.2 46.5 36.3 26.1 -
62 55.9 3.9 55.9 55.9 55.9 45.7 35.5 25.4 50.5 4.5 50.5 50.5 50.5 40.3 30.1 19.9
57 56.6 3.8 56.6 56.6 56.5 46.3 36.2 26.0 51.2 4.4 51.2 51.2 51.2 41.0 30.8 20.6
2500
72 70.6 3.7 63.7 52.6 41.6 30.5 - - 62.9 4.4 59.4 49.7 38.5 27.3 - -
67 62.6 3.8 62.6 62.6 52.8 41.7 30.6 - 55.1 4.4 55.1 55.1 49.7 38.5 27.3 -
62 56.6 3.9 56.6 56.6 56.6 45.6 34.5 23.4 51.0 4.5 51.0 51.0 51.0 39.8 28.6 17.4
57 57.4 3.8 57.4 57.4 57.4 46.3 35.2 24.1 51.7 4.4 51.7 51.7 51.7 40.5 29.3 18.2
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