Technical Guide
251933-YTG-V-0913
Johnson Controls Unitary Products 27
ZF072 (6.0 Ton)
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
1800
77 79.0 4.7 34.3 28.0 21.7 - - - 75.7 5.2 33.1 26.7 20.2 - - -
72 76.3 4.6 45.4 39.1 32.8 26.5 - - 71.8 5.2 44.1 37.7 31.3 24.9 - -
67 73.6 4.6 56.5 50.3 44.0 37.7 31.4 - 67.9 5.1 55.1 48.7 42.3 35.9 29.5 -
62 68.3 4.5 68.3 62.8 55.5 49.3 43.0 36.7 63.4 5.0 63.4 60.7 53.2 46.8 40.3 33.9
2000
77 80.9 5.0 35.7 29.4 23.0 - - - 77.9 5.6 34.8 28.2 21.7 - - -
72 78.2 5.0 47.5 41.2 34.8 28.4 - - 73.9 5.5 46.6 40.0 33.4 26.9 - -
67 75.4 4.9 59.3 53.0 46.6 40.2 33.8 - 69.9 5.4 58.3 51.8 45.2 38.7 32.1 -
62 70.0 4.8 70.0 66.3 58.9 52.5 46.1 39.7 65.3 5.3 65.3 63.4 56.9 50.3 43.8 37.2
57 67.0 4.8 67.0 67.0 63.0 56.6 50.3 43.9 62.7 5.3 62.7 62.7 58.7 52.1 45.6 39.0
2200
77 82.8 5.4 37.2 30.8 24.3 - - - 80.1 5.9 36.4 29.7 23.1 - - -
72 80.0 5.3 49.7 43.2 36.8 30.3 - - 76.0 5.9 49.0 42.3 35.6 28.9 - -
67 77.2 5.3 62.1 55.7 49.2 42.8 36.3 - 71.9 5.8 61.6 54.9 48.2 41.5 34.8 -
62 71.7 5.2 71.7 69.8 62.2 55.7 49.3 42.8 67.1 5.7 67.1 66.2 60.6 53.9 47.2 40.5
57 68.6 5.2 68.6 68.6 66.6 60.1 53.7 47.2 64.5 5.7 64.5 64.5 62.5 55.8 49.1 42.4
2400
77 84.7 5.7 38.7 32.1 25.6 - - - 82.3 6.3 38.1 31.3 24.5 - - -
72 81.8 5.7 51.8 45.3 38.7 32.2 - - 78.1 6.2 51.4 44.6 37.8 31.0 - -
67 79.0 5.6 64.9 58.4 51.8 45.3 38.7 - 73.9 6.1 64.8 57.9 51.1 44.3 37.5 -
62 73.3 5.5 73.3 73.3 65.5 58.9 52.4 45.9 69.0 6.0 69.0 69.0 64.3 57.5 50.6 43.8
57 70.2 5.5 70.2 70.2 70.2 63.6 57.1 50.5 66.3 6.0 66.3 66.3 66.3 59.5 52.7 45.9
2575
72 82.8 5.8 53.5 46.7 39.9 33.0 - - 78.9 6.3 53.1 46.0 38.8 31.7 - -
67 79.9 5.7 67.0 60.2 53.4 46.5 39.7 - 74.6 6.2 66.8 59.7 52.5 45.4 38.2 -
62 74.2 5.6 74.2 74.2 67.8 60.9 54.1 47.3 69.7 6.1 69.7 69.7 66.1 58.9 51.8 44.6
57 71.0 5.6 71.0 71.0 71.0 64.2 57.3 50.5 67.0 6.1 67.0 67.0 67.0 59.8 52.7 45.5
2750
72 83.8 5.9 55.3 48.1 41.0 33.9 - - 79.6 6.4 54.8 47.4 39.9 32.4 - -
67 80.9 5.8 69.1 62.0 54.9 47.8 40.6 - 75.3 6.3 68.9 61.4 53.9 46.5 39.0 -
62 75.1 5.7 75.1 75.1 70.0 62.9 55.8 48.7 70.3 6.2 70.3 70.3 67.8 60.3 52.9 45.4
57 71.9 5.7 71.9 71.9 71.9 64.7 57.6 50.5 67.6 6.2 67.6 67.6 67.6 60.1 52.6 45.2
95°F 105°F
1800
77 72.3 5.8 31.9 25.4 18.8 - - - 69.8 6.4 29.8 23.5 16.8 - - -
72 67.3 5.7 42.8 36.3 29.7 23.2 - - 64.9 6.3 41.2 34.6 27.9 21.3 - -
67 62.3 5.6 53.7 47.2 40.6 34.1 27.5 - 59.9 6.2 52.6 45.7 39.1 32.4 25.8 -
62 58.5 5.5 58.5 58.5 50.8 44.3 37.7 31.2 56.5 6.1 56.5 56.5 47.8 41.2 34.5 27.9
2000
77 74.9 6.2 33.8 27.0 20.3 - - - 71.9 6.8 32.0 25.2 18.3 - - -
72 69.7 6.1 45.6 38.8 32.1 25.4 - - 66.8 6.7 44.1 37.2 30.4 23.5 - -
67 64.5 5.9 57.4 50.6 43.9 37.2 30.4 - 61.8 6.6 56.2 49.3 42.5 35.6 28.7 -
62 60.6 5.8 60.6 60.6 54.9 48.2 41.4 34.7 58.2 6.5 58.2 58.2 52.0 45.1 38.2 31.3
57 58.5 5.8 58.5 58.5 54.3 47.6 40.9 34.1 56.2 6.5 56.2 56.2 51.3 44.4 37.5 30.7
2200
77 77.4 6.5 35.7 28.7 21.8 - - - 74.0 7.1 34.2 26.8 19.7 - - -
72 72.0 6.4 48.3 41.4 34.5 27.6 - - 68.8 7.0 47.0 39.9 32.8 25.7 - -
67 66.6 6.3 61.0 54.1 47.2 40.3 33.3 - 63.6 6.9 59.8 53.0 45.8 38.7 31.6 -
62 62.6 6.2 62.6 62.6 59.0 52.1 45.2 38.3 59.9 6.8 59.9 59.9 56.1 49.0 41.9 34.8
57 60.5 6.2 60.5 60.5 58.4 51.5 44.6 37.6 57.8 6.8 57.8 57.8 55.4 48.3 41.2 34.1
2400
77 79.9 6.9 37.5 30.4 23.3 - - - 76.1 7.5 36.4 28.5 21.2 - - -
72 74.4 6.8 51.1 44.0 36.9 29.8 - - 70.8 7.4 49.9 42.5 35.2 27.9 - -
67 68.8 6.6 64.6 57.5 50.4 43.3 36.2 - 65.4 7.3 63.3 56.6 49.2 41.9 34.5 -
62 64.6 6.5 64.6 64.6 63.1 56.0 48.9 41.8 61.6 7.2 61.6 61.6 60.2 52.9 45.6 38.2
57 62.4 6.5 62.4 62.4 62.4 55.3 48.3 41.2 59.5 7.2 59.5 59.5 59.5 52.1 44.8 37.5
2575
72 74.9 6.9 52.8 45.3 37.8 30.4 - - 71.4 7.5 51.6 43.8 36.1 28.4 - -
67 69.3 6.7 66.6 59.2 51.7 44.3 36.8 - 66.0 7.4 64.6 58.2 50.5 42.8 35.1 -
62 65.1 6.6 65.1 65.1 64.3 56.9 49.4 41.9 62.1 7.3 62.1 62.1 61.4 53.7 46.0 38.3
57 62.9 6.6 62.9 62.9 62.9 55.4 48.0 40.5 60.0 7.3 60.0 60.0 60.0 52.2 44.5 36.8
2750
72 75.5 7.0 54.4 46.6 38.8 30.9 - - 71.9 7.6 53.3 45.1 37.0 28.9 - -
67 69.8 6.8 68.7 60.8 53.0 45.2 37.3 - 66.5 7.5 65.9 59.9 51.8 43.7 35.6 -
62 65.6 6.7 65.6 65.6 65.6 57.8 49.9 42.1 62.6 7.4 62.6 62.6 62.6 54.5 46.4 38.3
57 63.4 6.7 63.4 63.4 63.4 55.5 47.7 39.9 60.5 7.4 60.5 60.5 60.5 52.3 44.2 36.1