Technical Guide

528150-YTG-N-0912
Johnson Controls Unitary Products 47
ZH120 (10 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
2500
77 148.4 7.2 37.9 39.0 40.1 - - - 145.3 7.9 35.2 36.6 38.0 - - -
72 138.6 7.0 56.2 57.2 58.3 59.4 - - 134.2 7.7 53.1 54.5 55.9 57.3 - -
67 128.8 6.7 74.4 75.5 76.5 77.6 78.7 - 123.2 7.6 70.9 72.3 73.7 75.1 76.5 -
62 119.6 6.7 103.4 95.5 94.1 95.2 96.2 97.3 115.1 7.6 100.5 93.0 90.7 92.1 93.5 94.9
3000
77 155.1 7.2 54.6 49.4 44.1 - - - 150.7 7.9 51.9 46.8 41.8 - - -
72 144.8 7.0 74.7 69.4 64.2 59.0 - - 139.3 7.8 71.5 66.5 61.4 56.4 - -
67 134.6 6.7 94.8 89.5 84.3 79.0 73.8 - 127.8 7.6 91.1 86.1 81.0 76.0 71.0 -
62 124.9 6.7 114.1 108.9 103.6 98.4 93.2 87.9 119.5 7.6 109.7 104.7 99.7 94.6 89.6 84.5
57 122.1 6.7 116.9 111.7 106.4 101.2 95.9 90.7 116.7 7.6 111.4 106.3 101.3 96.3 91.2 86.2
3500
77 161.8 7.2 71.2 59.7 48.2 - - - 156.2 7.9 68.5 57.1 45.6 - - -
72 151.1 6.9 93.2 81.6 70.1 58.6 - - 144.3 7.8 89.9 78.5 67.0 55.5 - -
67 140.3 6.7 115.1 103.6 92.0 80.5 68.9 - 132.5 7.6 111.3 99.8 88.4 76.9 65.4 -
62 130.3 6.7 124.9 122.3 113.2 101.6 90.1 78.6 123.8 7.6 118.9 116.4 108.7 97.2 85.7 74.2
57 127.3 6.7 124.7 122.1 116.2 104.7 93.1 81.6 121.0 7.6 118.3 115.8 110.4 99.0 87.5 76.0
4000
77 168.5 7.2 87.9 70.1 52.2 - - - 161.7 7.9 85.2 67.3 49.4 - - -
72 157.3 6.9 111.7 93.8 76.0 58.2 - - 149.4 7.8 108.4 90.4 72.5 54.6 - -
67 146.1 6.7 135.4 117.6 99.8 81.9 64.1 - 137.1 7.7 131.5 113.6 95.7 77.8 59.9 -
62 135.7 6.6 135.7 135.7 122.7 104.9 87.0 69.2 128.2 7.6 128.2 128.2 117.7 99.8 81.8 63.9
57 132.6 6.6 132.6 132.6 126.0 108.1 90.3 72.5 125.2 7.6 125.2 125.2 119.6 101.7 83.8 65.8
4500
72 157.8 7.0 102.0 89.8 77.6 65.4 - - 150.2 7.8 98.7 86.5 74.4 62.3 - -
67 146.6 6.8 126.3 114.1 101.9 89.7 77.5 - 137.9 7.7 122.4 110.3 98.2 86.0 73.9 -
62 136.1 6.8 136.1 136.1 125.3 113.1 100.9 88.7 128.9 7.6 128.9 128.9 120.7 108.6 96.5 84.3
57 133.0 6.8 133.0 133.0 128.9 116.7 104.5 92.3 125.9 7.6 125.9 125.9 122.7 110.6 98.4 86.3
5000
72 158.3 7.2 92.4 85.8 79.3 72.7 - - 151.1 7.9 89.0 82.6 76.3 69.9 - -
67 147.1 6.9 117.2 110.6 104.1 97.5 91.0 - 138.6 7.8 113.3 107.0 100.6 94.3 87.9 -
62 136.6 6.9 136.6 136.6 128.0 121.4 114.9 108.3 129.6 7.7 129.6 129.6 123.8 117.4 111.1 104.7
57 133.4 6.9 133.4 133.4 131.8 125.2 118.6 112.1 126.6 7.7 126.6 126.6 125.8 119.4 113.1 106.7
95°F 105°F
2500
77 142.1 8.5 32.5 34.3 36.0 - - - 130.2 9.7 26.3 30.7 32.7 - - -
72 129.8 8.5 50.0 51.7 53.4 55.2 - - 120.3 9.7 46.3 48.4 50.4 52.5 - -
67 117.5 8.5 67.4 69.2 70.9 72.6 74.4 - 110.4 9.7 66.3 66.1 68.2 70.2 72.3 -
62 110.7 8.4 97.7 90.5 87.2 88.9 90.7 92.4 104.5 9.6 92.5 85.6 82.2 84.3 86.3 88.4
3000
77 146.4 8.5 49.2 44.3 39.5 - - - 133.8 9.8 45.2 40.5 35.9 - - -
72 133.7 8.5 68.3 63.5 58.7 53.8 - - 123.6 9.7 64.6 59.9 55.3 50.6 - -
67 121.1 8.6 87.5 82.7 77.8 73.0 68.1 - 113.4 9.7 84.0 79.3 74.7 70.0 65.4 -
62 114.0 8.5 105.4 100.5 95.7 90.8 86.0 81.2 107.3 9.6 99.4 94.7 90.1 85.4 80.8 76.1
57 111.4 8.5 105.8 101.0 96.2 91.3 86.5 81.6 104.7 9.6 99.7 95.1 90.4 85.8 81.1 76.5
3500
77 150.6 8.5 65.8 54.4 43.0 - - - 137.3 9.8 64.0 50.3 39.0 - - -
72 137.6 8.6 86.7 75.3 63.9 52.4 - - 126.9 9.8 82.8 71.4 60.1 48.7 - -
67 124.6 8.6 107.6 96.1 84.7 73.3 61.9 - 116.5 9.7 101.6 92.5 81.2 69.8 58.5 -
62 117.3 8.5 113.0 110.6 104.2 92.8 81.3 69.9 110.2 9.7 106.2 103.9 97.9 86.6 75.2 63.9
57 114.6 8.5 111.9 109.4 104.7 93.3 81.9 70.4 107.4 9.6 105.0 102.6 98.3 87.0 75.6 64.3
4000
77
154.9 8.6 82.5 64.5 46.5 - - - 140.9 9.8 82.8 60.2 42.1 - - -
72 141.5 8.6 105.1 87.1 69.1 51.1 - - 130.2 9.8 101.0 83.0 64.9 46.8 - -
67 128.1 8.6 127.6 109.6 91.6 73.6 55.6 - 119.5 9.8 119.2 105.7 87.7 69.6 51.6 -
62 120.7 8.5 120.7 120.7 112.7 94.7 76.7 58.7 113.0 9.7 113.0 113.0 105.8 87.7 69.7 51.6
57 117.9 8.5 117.9 117.9 113.2 95.2 77.2 59.2 110.2 9.6 110.2 110.2 106.2 88.1 70.1 52.0
4500
72 142.7 8.6 95.3 83.2 71.2 59.1 - - 131.2 9.8 91.1 79.1 67.1 55.1 - -
67 129.1 8.6 118.5 106.5 94.4 82.3 70.3 - 120.4 9.8 112.4 102.7 90.7 78.7 66.7 -
62 121.6 8.5 121.6 121.6 116.1 104.0 92.0 79.9 113.9 9.7 113.9 113.9 109.4 97.4 85.4 73.5
57 118.8 8.5 118.8 118.8 116.5 104.5 92.4 80.3 111.0 9.6 111.0 111.0 109.0 97.1 85.1 73.1
5000
72 143.8 8.6 85.5 79.4 73.3 67.1 - - 132.2 9.8 81.2 75.3 69.4 63.4 - -
67 130.2 8.6 109.4 103.3 97.2 91.1 84.9 - 121.3 9.8 105.5 99.6 93.7 87.8 81.9 -
62 122.6 8.5 122.6 122.6 119.5 113.4 107.3 101.1 114.8 9.7 114.8 114.8 113.0 107.1 101.2 95.3
57 119.8 8.5 119.8 119.8 119.8 113.7 107.5 101.4 111.9 9.6 111.9 111.9 111.9 106.0 100.1 94.2