5167821-YTG-K-1118
38 Johnson Controls Ducted Systems
ZT078 (6.5 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
1625
77 102.0 4.4 43.0 35.4 28.8 - - - 91.8 5.1 39.1 32.8 26.5 - - -
72 89.7 4.3 51.9 45.3 38.8 32.3 - - 81.9 5.1 48.7 42.4 36.1 29.8 - -
67 77.4 4.2 60.8 55.3 48.8 42.2 35.7 - 71.9 5.0 58.3 52.0 45.8 39.5 33.2 -
62 70.7 4.2 70.7 70.7 62.1 55.6 49.1 42.5 63.8 5.0 63.8 63.8 55.3 49.1 42.8 36.5
1950
77 107.4 4.4 47.6 39.7 31.9 - - - 96.4 5.0 44.7 37.0 29.4 - - -
72 94.5 4.3 58.6 50.8 42.9 35.1 - - 85.9 5.0 55.4 47.7 40.1 32.4 - -
67 81.5 4.2 69.7 61.8 54.0 46.1 38.2 - 75.5 4.9 66.0 58.4 50.7 43.1 35.4 -
62 74.5 4.2 74.5 74.5 68.8 60.9 53.1 45.2 67.0 4.9 67.0 67.0 61.4 53.7 46.0 38.4
57 70.9 4.2 70.9 70.9 65.5 57.6 49.8 41.9 65.1 4.9 65.1 65.1 59.6 51.9 44.2 36.6
2275
77 112.8 4.4 52.2 44.1 35.0 - - - 101.0 5.0 50.3 41.3 32.3 - - -
72 99.2 4.3 65.4 56.2 47.0 37.9 - - 90.0 4.9 62.1 53.0 44.0 34.9 - -
67 85.7 4.2 78.6 68.3 59.1 50.0 40.8 - 79.1 4.9 73.8 64.7 55.7 46.7 37.6 -
62 78.2 4.2 78.2 78.2 75.4 66.2 57.0 47.9 70.2 4.8 70.2 70.2 67.4 58.3 49.3 40.3
57 74.5 4.2 74.5 74.5 71.8 62.6 53.4 44.3 68.2 4.8 68.2 68.2 65.4 56.4 47.3 38.3
2600
77 118.2 4.4 56.8 48.5 38.0 - - - 105.6 4.9 56.0 45.5 35.1 - - -
72 104.0 4.3 72.1 61.7 51.2 40.7 - - 94.1 4.8 68.7 58.3 47.9 37.5 - -
67 89.8 4.2 87.5 74.8 64.3 53.8 43.4 - 82.7 4.8 81.5 71.1 60.7 50.3 39.8 -
62 82.0 4.2 82.0 82.0 82.0 71.5 61.0 50.6 73.4 4.8 73.4 73.4 73.4 63.0 52.6 42.1
57 78.1 4.2 78.1 78.1 78.1 67.6 57.1 46.6 71.2 4.7 71.2 71.2 71.2 60.8 50.4 40.0
2925
72 106.4 4.4 78.3 66.5 54.8 43.1 - - 95.4 4.8 74.5 62.9 51.4 39.8 - -
67 91.9 4.3 90.7 81.6 68.9 57.2 45.4 - 83.8 4.8 83.2 76.6 65.0 53.4 41.9 -
62 83.9 4.2 83.9 83.9 83.9 72.1 60.4 48.7 74.4 4.8 74.4 74.4 74.4 62.8 51.2 39.6
57 79.9 4.2 79.9 79.9 79.9 68.1 56.4 44.7 72.2 4.7 72.2 72.2 72.2 60.6 49.0 37.4
3250
72 108.7 4.4 84.4 71.4 58.5 45.5 - - 96.7 4.9 80.4 67.6 54.8 42.0 - -
67 93.9 4.3 93.9 88.4 73.5 60.5 47.5 - 85.0 4.8 85.0 82.2 69.4 56.6 43.9 -
62 85.7 4.3 85.7 85.7 85.7 72.7 59.8 46.8 75.4 4.8 75.4 75.4 75.4 62.7 49.9 37.1
57 81.7 4.3 81.7 81.7 81.7 68.7 55.7 42.8 73.2 4.7 73.2 73.2 73.2 60.5 47.7 34.9
95°F 105°F
1625
77 81.7 5.8 35.1 30.2 24.2 - - - 76.8 6.3 30.8 27.1 21.0 - - -
72 74.1 5.8 45.5 39.5 33.5 27.4 - - 69.3 6.3 43.0 36.8 30.7 24.6 - -
67 66.4 5.8 55.9 48.8 42.7 36.7 30.7 - 61.8 6.2 55.1 46.5 40.4 34.2 28.1 -
62 57.0 5.8 57.0 57.0 48.6 42.5 36.5 30.5 54.5 6.2 54.5 54.5 45.9 39.8 33.6 27.5
1950
77 85.4 5.7 41.8 34.3 26.9 - - - 80.0 6.2 38.4 30.9 23.4 - - -
72 77.4 5.7 52.1 44.6 37.2 29.7 - - 72.2 6.2 49.2 41.7 34.1 26.6 - -
67 69.5 5.7 62.4 55.0 47.5 40.0 32.6 - 64.4 6.1 60.0 52.4 44.9 37.4 29.9 -
62 59.6 5.7 59.6 59.6 54.0 46.5 39.0 31.6 56.8 6.1 56.8 56.8 51.0 43.5 36.0 28.5
57 59.2 5.5 59.2 59.2 53.7 46.2 38.7 31.3 55.6 6.1 55.6 55.6 50.0 42.5 35.0 27.5
2275
77 89.2 5.5 48.5 38.5 29.6 - - - 83.3 6.1 46.0 34.7 25.7 - - -
72 80.8 5.5 58.7 49.8 40.9 32.0 - - 75.2 6.1 55.4 46.5 37.6 28.7 - -
67 72.5 5.5 69.0 61.2 52.3 43.4 34.4 - 67.1 6.0 64.8 58.4 49.5 40.5 31.6 -
62 62.2 5.5 62.2 62.2 59.4 50.5 41.5 32.6 59.1 6.0 59.1 59.1 56.2 47.3 38.4 29.4
57 61.8 5.4 61.8 61.8 59.0 50.1 41.2 32.3 57.9 6.0 57.9 57.9 55.1 46.2 37.3 28.3
2600
77 92.9 5.3 55.1 42.6 32.2 - - - 86.5 6.0 53.7 38.4 28.1 - - -
72 84.2 5.3 65.3 55.0 44.6 34.3 - - 78.1 6.0 61.7 51.4 41.0 30.7 - -
67 75.5 5.3 75.5 67.4 57.0 46.7 36.3 - 69.7 5.9 69.7 64.3 54.0 43.7 33.4 -
62 64.8 5.3 64.8 64.8 64.8 54.4 44.1 33.7 61.4 5.9 61.4 61.4 61.4 51.0 40.7 30.4
57 64.4 5.2 64.4 64.4 64.4 54.0 43.7 33.3 60.2 5.9 60.2 60.2 60.2 49.8 39.5 29.2
2925
72 84.5 5.3 70.8 59.4 47.9 36.4 - - 78.1 6.0 66.8 55.4 44.0 32.6 - -
67 75.8 5.3 75.8 71.7 61.2 49.7 38.3 - 69.7 5.9 69.7 67.0 57.8 46.5 35.1 -
62 65.0 5.3 65.0 65.0 65.0 53.5 42.0 30.6 61.3 5.9 61.3 61.3 61.3 49.9 38.6 27.2
57 64.6 5.2 64.6 64.6 64.6 53.1 41.7 30.2 60.1 5.9 60.1 60.1 60.1 48.7 37.4 26.0
3250
72 84.7 5.3 76.3 63.7 51.2 38.6 - - 78.1 5.9 71.9 59.4 46.9 34.4 - -
67 76.0 5.3 76.0 76.0 65.4 52.8 40.2 - 69.7 5.9 69.7 69.7 61.7 49.2 36.8 -
62 65.2 5.3 65.2 65.2 65.2 52.6 40.0 27.4 61.3 5.9 61.3 61.3 61.3 48.9 36.4 23.9
57 64.8 5.2 64.8 64.8 64.8 52.2 39.6 27.0 60.1 5.8 60.1 60.1 60.1 47.7 35.2 22.7
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