5167821-YTG-K-1118
54 Johnson Controls Ducted Systems
ZT120 (10 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
1750
77 114.2 3.4 50.9 40.9 32.5 - - - 107.6 4.2 46.9 38.7 30.5 - - -
72 103.5 3.4 61.2 52.8 44.3 35.9 - - 96.7 4.2 58.4 50.2 41.9 33.7 - -
67 92.7 3.4 71.5 64.7 56.2 47.8 39.4 - 85.9 4.3 69.9 61.7 53.4 45.2 37.0 -
62 83.4 3.5 83.4 83.4 69.6 61.1 52.7 44.3 76.5 4.4 76.5 76.5 64.2 55.9 47.7 39.5
2100
77 118.9 3.4 55.2 45.4 35.5 - - - 111.5 4.1 52.6 43.0 33.4 - - -
72 107.7 3.4 68.3 58.4 48.6 38.7 - - 100.2 4.2 65.2 55.6 46.0 36.3 - -
67 96.6 3.4 81.3 71.4 61.6 51.7 41.9 - 89.0 4.2 77.8 68.2 58.5 48.9 39.3 -
62 86.9 3.5 86.9 86.9 76.2 66.3 56.5 46.6 79.3 4.4 79.3 79.3 70.3 60.7 51.1 41.5
57 84.4 3.6 84.4 84.4 75.6 65.7 55.9 46.0 78.9 4.4 78.9 78.9 70.9 61.3 51.7 42.0
2450
77 123.6 3.3 59.6 49.9 38.6 - - - 115.4 4.1 58.3 47.3 36.3 - - -
72 112.0 3.4 75.3 64.1 52.8 41.5 - - 103.8 4.1 72.0 61.0 50.0 39.0 - -
67 100.4 3.4 91.1 78.2 66.9 55.7 44.4 - 92.1 4.2 85.6 74.6 63.6 52.6 41.6 -
62 90.3 3.5 90.3 90.3 82.8 71.5 60.3 49.0 82.0 4.3 82.0 82.0 76.4 65.4 54.4 43.4
57 87.7 3.6 87.7 87.7 82.2 70.9 59.6 48.4 81.6 4.3 81.6 81.6 77.0 66.0 55.0 44.0
2800
77 128.4 3.3 63.9 54.4 41.7 - - - 119.3 4.1 64.0 51.6 39.2 - - -
72 116.3 3.4 82.4 69.7 57.0 44.3 - - 107.3 4.1 78.7 66.4 54.0 41.6 - -
67 104.2 3.4 100.8 85.0 72.3 59.6 46.9 - 95.2 4.2 93.5 81.1 68.7 56.4 44.0 -
62 93.7 3.4 93.7 93.7 89.4 76.8 64.1 51.4 84.8 4.3 84.8 84.8 82.5 70.1 57.7 45.3
57 91.1 3.6 91.1 91.1 88.7 76.1 63.4 50.7 84.4 4.3 84.4 84.4 83.2 70.8 58.4 46.0
3150
72 116.8 3.4 88.0 74.2 60.4 46.6 - - 108.8 4.1 84.5 70.9 57.3 43.7 - -
67 104.7 3.4 103.0 90.4 76.6 62.8 48.9 - 96.6 4.2 95.7 86.6 73.0 59.4 45.8 -
62 94.2 3.5 94.2 94.2 92.0 78.2 64.4 50.6 86.0 4.3 86.0 86.0 84.9 71.3 57.7 44.1
57 91.5 3.6 91.5 91.5 90.3 76.5 62.7 48.9 85.6 4.3 85.6 85.6 85.0 71.4 57.8 44.2
3500
72 117.3 3.4 93.6 78.7 63.7 48.8 - - 110.3 4.1 90.2 75.4 60.6 45.8 - -
67 105.2 3.4 105.2 95.7 80.8 65.9 51.0 - 97.9 4.2 97.9 92.0 77.2 62.5 47.7 -
62 94.6 3.5 94.6 94.6 94.6 79.7 64.8 49.9 87.2 4.3 87.2 87.2 87.2 72.4 57.6 42.8
57 91.9 3.6 91.9 91.9 91.9 77.0 62.1 47.1 86.8 4.3 86.8 86.8 86.8 72.0 57.2 42.4
95°F 105°F
1750
77 101.0 4.9 42.9 36.4 28.4 - - - 90.8 5.9 38.5 33.4 25.5 - - -
72 90.0 5.0 55.6 47.6 39.6 31.6 - - 81.6 5.9 52.3 44.5 36.6 28.7 - -
67 79.0 5.1 68.2 58.7 50.7 42.7 34.7 - 72.5 6.0 66.2 55.5 47.6 39.7 31.8 -
62 69.5 5.3 69.5 69.5 58.8 50.8 42.8 34.8 65.1 6.1 65.1 65.1 55.4 47.5 39.6 31.7
2100
77 104.1 4.9 49.9 40.5 31.2 - - - 93.7 5.8 46.5 37.2 28.0 - - -
72 92.7 5.0 62.1 52.7 43.3 34.0 - - 84.3 5.9 58.6 49.3 40.1 30.8 - -
67 81.4 5.1 74.2 64.9 55.5 46.1 36.8 - 74.8 5.9 70.6 61.4 52.1 42.9 33.6 -
62 71.6 5.2 71.6 71.6 64.4 55.0 45.6 36.3 67.2 6.1 67.2 67.2 60.7 51.4 42.2 32.9
57 73.3 5.1 73.3 73.3 66.2 56.8 47.4 38.1 68.6 6.0 68.6 68.6 61.5 52.2 43.0 33.7
2450
77 107.2 4.8 56.9 44.6 33.9 - - - 96.7 5.8 54.5 41.0 30.4 - - -
72 95.5 4.9 68.6 57.9 47.1 36.4 - - 86.9 5.8 64.8 54.2 43.5 32.9 - -
67 83.8 5.0 80.2 71.1 60.4 49.6 38.9 - 77.1 5.9 75.1 67.3 56.7 46.1 35.4 -
62 73.8 5.2 73.8 73.8 70.0 59.3 48.5 37.8 69.3 6.0 69.3 69.3 65.9 55.3 44.7 34.1
57 75.5 5.1 75.5 75.5 71.9 61.2 50.5 39.7 70.8 6.0 70.8 70.8 66.8 56.2 45.6 35.0
2800
77 110.3 4.8 64.0 48.7 36.6 - - - 99.6 5.7 62.5 44.8 32.8 - - -
72 98.3 4.9 75.1 63.0 50.9 38.8 - - 89.5 5.8 71.0 59.0 47.0 35.0 - -
67 86.2 5.0 86.2 77.3 65.2 53.1 41.0 - 79.5 5.8 79.5 73.2 61.2 49.2 37.2 -
62 75.9 5.1 75.9 75.9 75.6 63.5 51.4 39.3 71.4 6.0 71.4 71.4 71.2 59.2 47.3 35.3
57 77.7 5.0 77.7 77.7 77.7 65.6 53.5 41.4 72.9 5.9 72.9 72.9 72.2 60.2 48.2 36.3
3150
72 100.8 4.8 81.0 67.6 54.2 40.8 - - 91.0 5.8 76.7 63.5 50.3 37.1 - -
67 88.4 4.9 88.4 82.8 69.4 56.1 42.7 - 80.8 5.8 80.8 77.1 65.5 52.3 39.1 -
62 77.9 5.1 77.9 77.9 77.7 64.3 50.9 37.6 72.5 5.9 72.5 72.5 72.5 59.3 46.1 32.9
57 79.7 5.0 79.7 79.7 79.7 66.3 52.9 39.5 74.1 5.9 74.1 74.1 73.8 60.6 47.4 34.2
3500
72 103.3 4.8 86.8 72.2 57.5 42.9 - - 92.5 5.7 82.4 68.0 53.6 39.2 - -
67 90.6 4.9 90.6 88.3 73.7 59.0 44.4 - 82.1 5.8 82.1 80.9 69.8 55.3 40.9 -
62 79.8 5.0 79.8 79.8 79.8 65.1 50.5 35.8 73.7 5.9 73.7 73.7 73.7 59.3 44.9 30.5
57 81.7 5.0 81.7 81.7 81.7 67.0 52.3 37.7 75.3 5.9 75.3 75.3 75.3 60.9 46.5 32.1
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