5167821-YTG-K-1118
56 Johnson Controls Ducted Systems
ZT120 (10 ton) 3rd 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
2500
77 167.4 5.8 71.3 59.7 48.2 - - - 155.1 6.5 66.5 55.0 43.5 - - -
72 151.1 5.7 88.2 76.6 65.0 53.5 - - 140.7 6.5 83.8 72.3 60.8 49.3 - -
67 134.9 5.6 105.1 93.5 81.9 70.4 58.8 - 126.3 6.4 101.1 89.6 78.1 66.6 55.1 -
62 72.2 1.1 72.2 72.2 59.8 48.2 36.6 25.0 88.1 4.1 88.1 88.1 74.4 62.9 51.4 39.9
3000
77 171.9 5.8 78.8 65.5 52.2 - - - 159.1 6.6 73.6 60.4 47.2 - - -
72 155.3 5.7 97.2 83.8 70.5 57.2 - - 144.4 6.5 92.3 79.1 65.9 52.7 - -
67 138.6 5.6 115.5 102.1 88.8 75.5 62.1 - 129.6 6.4 111.0 97.8 84.6 71.4 58.2 -
62 74.3 1.1 74.3 74.3 64.8 51.4 38.1 24.8 90.4 4.1 90.4 90.4 80.6 67.4 54.2 41.0
57 70.2 1.1 70.2 70.2 64.2 50.9 37.6 24.2 88.7 4.1 88.7 88.7 80.7 67.5 54.3 41.1
3500
77 176.5 5.8 86.4 71.3 56.2 - - - 163.1 6.6 80.7 65.8 50.8 - - -
72 159.4 5.7 106.1 91.0 76.0 60.9 - - 148.0 6.5 100.8 85.9 71.0 56.1 - -
67 142.3 5.7 125.9 110.8 95.7 80.6 65.5 - 132.9 6.5 121.0 106.1 91.2 76.3 61.4 -
62 76.3 1.1 76.3 76.3 69.8 54.7 39.6 24.5 92.6 4.1 92.6 92.6 86.9 71.9 57.0 42.1
57 72.2 1.1 72.2 72.2 69.2 54.1 39.0 23.9 91.0 4.1 91.0 91.0 87.0 72.1 57.1 42.2
4000
77 181.1 5.9 94.0 77.1 60.3 - - - 167.1 6.6 87.7 71.1 54.5 - - -
72 163.6 5.8 115.1 98.3 81.4 64.6 - - 151.6 6.6 109.4 92.7 76.1 59.5 - -
67 146.0 5.7 136.2 119.4 102.5 85.7 68.9 - 136.1 6.5 131.0 114.4 97.7 81.1 64.5 -
62 78.4 1.1 78.4 78.4 74.8 57.9 41.1 24.2 94.9 4.1 94.9 94.9 93.1 76.5 59.9 43.2
57 74.2 1.1 74.2 74.2 74.2 57.3 40.5 23.6 93.2 4.1 93.2 93.2 93.2 76.6 60.0 43.4
4500
72 166.2 5.8 122.6 104.3 86.0 67.7 - - 154.4 6.6 117.1 99.0 80.9 62.8 - -
67 148.3 5.7 143.5 126.6 108.3 90.0 71.7 - 138.6 6.5 136.0 122.0 103.9 85.8 67.7 -
62 79.5 1.1 79.5 79.5 77.7 59.4 41.1 22.8 96.6 4.1 96.6 96.6 95.7 77.6 59.5 41.4
57 75.2 1.1 75.2 75.2 75.2 56.9 38.6 20.3 94.9 4.1 94.9 94.9 94.9 76.8 58.7 40.6
5000
72 168.8 5.8 130.0 110.3 90.5 70.8 - - 157.1 6.6 124.8 105.3 85.7 66.1 - -
67 150.7 5.7 150.7 133.7 114.0 94.2 74.5 - 141.1 6.5 141.1 129.6 110.0 90.5 70.9 -
62 80.7 1.1 80.7 80.7 80.7 60.9 41.2 21.4 98.3 4.1 98.3 98.3 98.3 78.8 59.2 39.6
57 76.3 1.1 76.3 76.3 76.3 56.6 36.8 17.1 96.6 4.1 96.6 96.6 96.6 77.0 57.5 37.9
95°F 105°F
2500
77 142.9 7.3 61.8 50.4 38.9 - - - 133.2 8.3 56.1 46.9 35.6 - - -
72 130.3 7.2 79.4 68.0 56.6 45.1 - - 121.7 8.2 75.4 64.1 52.8 41.5 - -
67 117.8 7.2 97.1 85.6 74.2 62.8 51.3 - 110.2 8.2 94.8 81.4 70.1 58.8 47.5 -
62 103.9 7.1 103.9 103.9 89.0 77.5 66.1 54.7 101.3 8.1 101.3 99.5 83.4 72.1 60.8 49.5
3000
77 146.3 7.3 68.4 55.3 42.2 - - - 136.0 8.3 64.6 51.7 38.7 - - -
72 133.5 7.3 87.5 74.4 61.3 48.2 - - 124.2 8.3 83.4 70.4 57.5 44.5 - -
67 120.6 7.2 106.6 93.5 80.4 67.4 54.3 - 112.5 8.2 102.1 89.2 76.2 63.3 50.4 -
62 106.4 7.1 106.4 106.4 96.5 83.4 70.3 57.2 103.3 8.1 103.3 102.2 90.8 77.8 64.9 52.0
57 107.3 7.1 107.3 107.3 97.2 84.1 71.0 57.9 104.4 8.0 104.4 103.2 91.7 78.8 65.9 52.9
3500
77 149.7 7.4 75.0 60.2 45.5 - - - 138.7 8.4 73.1 56.4 41.9 - - -
72 136.6 7.3 95.6 80.8 66.1 51.3 - - 126.7 8.3 91.3 76.7 62.1 47.6 - -
67 123.4 7.2 116.2 101.4 86.7 71.9 57.2 - 114.8 8.2 109.5 97.0 82.4 67.8 53.3 -
62 108.9 7.2 108.9 108.9 104.0 89.2 74.5 59.7 105.4 8.1 105.4 104.8 98.1 83.6 69.0 54.4
57 109.8 7.1 109.8 109.8 104.7 90.0 75.3 60.5 106.5 8.0 106.5 105.9 99.2 84.6 70.0 55.4
4000
77 153.2 7.4 81.5 65.1 48.7 - - - 141.5 8.4 81.6 61.2 45.0 - - -
72 139.7 7.3 103.6 87.2 70.8 54.4 - - 129.3 8.3 99.2 83.0 66.8 50.6 - -
67 126.3 7.3 125.7 109.3 92.9 76.5 60.1 - 117.1 8.3 116.8 104.8 88.6 72.4 56.2 -
62 111.4 7.2 111.4 111.4 111.4 95.0 78.6 62.2 107.5 8.2 107.5 107.5 105.5 89.3 73.1 56.9
57 112.3 7.2 112.3 112.3 112.3 95.9 79.5 63.1 108.6 8.0 108.6 108.6 106.6 90.4 74.2 58.0
4500
72 142.6 7.3 111.6 93.7 75.8 58.0 - - 131.3 8.3 106.8 89.1 71.5 53.8 - -
67 128.9 7.3 128.6 117.4 99.5 81.6 63.7 - 118.9 8.2 118.8 111.3 94.8 77.1 59.4 -
62 113.7 7.2 113.7 113.7 113.7 95.8 77.9 60.0 109.2 8.2 109.2 109.2 108.2 90.5 72.8 55.1
57 114.6 7.2 114.6 114.6 114.6 96.7 78.8 60.9 110.3 8.0 110.3 110.3 109.3 91.6 73.9 56.3
5000
72 145.5 7.3 119.7 100.3 80.9 61.5 - - 133.4 8.3 114.4 95.3 76.1 57.0 - -
67 131.5 7.3 131.5 125.5 106.1 86.7 67.3 - 120.8 8.2 120.8 117.8 101.0 81.8 62.7 -
62 116.0 7.2 116.0 116.0 116.0 96.6 77.2 57.8 110.9 8.1 110.9 110.9 110.9 91.7 72.6 53.4
57 116.9 7.2 116.9 116.9 116.9 97.5 78.1 58.7 112.0 8.0 112.0 112.0 112.0 92.8 73.7 54.5
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