User's Manual
1068152-YTG-L-0815
Johnson Controls Unitary Products 57
ZX12 (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
77 154.9 7.6 76.9 65.4 53.8 - - - 145.4 8.9 73.5 62.1 50.6 - - -
72 142.2 7.3 94.0 80.5 67.0 53.5 - - 133.7 8.5 90.5 77.2 63.8 50.4 - -
67 129.5 7.1 111.0 95.5 80.1 66.6 53.2 - 122.1 8.1 107.5 92.2 76.9 63.5 50.1 -
62 124.9 7.0 120.5 106.9 93.3 76.9 66.5 53.1 118.2 8.0 115.9 103.0 90.1 75.2 63.2 49.8
3000
77 156.2 7.6 84.5 68.6 52.7 - - - 149.4 8.5 82.5 66.3 50.2 - - -
72 145.1 7.4 101.3 85.4 69.5 53.6 - - 138.4 8.3 98.6 82.6 66.7 50.8 - -
67 134.1 7.2 118.1 102.2 86.3 70.1 54.1 - 127.4 8.2 114.6 98.9 83.2 67.1 51.1 -
62 130.3 7.1 126.1 114.6 103.0 84.5 70.6 54.3 124.1 8.1 121.5 110.7 99.8 82.4 67.3 51.0
57 126.6 7.1 126.6 126.6 119.8 103.4 87.0 70.6 121.8 8.0 121.8 121.8 116.3 99.9 83.5 67.1
3500
77 157.6 7.6 92.1 71.9 51.6 - - - 153.3 8.1 91.6 70.6 49.7 - - -
72 148.1 7.5 108.7 90.3 72.0 53.7 - - 143.0 8.2 106.6 88.1 69.6 51.1 - -
67 138.6 7.3 125.2 108.8 92.4 73.7 55.0 - 132.7 8.2 121.6 105.6 89.5 70.7 52.0 -
62 135.8 7.2 131.8 122.3 112.8 92.0 74.7 55.6 130.0 8.1 127.2 118.3 109.5 89.5 71.4 52.3
57 132.9 7.2 132.9 132.9 129.6 113.8 94.3 74.8 128.0 8.1 128.0 128.0 127.5 110.1 90.7 71.4
4000
77 158.9 7.7 99.7 75.1 50.5 - - - 157.2 7.7 100.6 74.9 49.2 - - -
72 151.0 7.5 116.0 95.3 74.5 53.8 - - 147.7 8.0 114.6 93.6 72.5 51.4 - -
67 143.2 7.4 132.4 115.5 98.6 77.2 55.9 - 138.1 8.3 128.7 112.2 95.8 74.3 52.9 -
62 141.2 7.3 137.5 130.1 122.6 99.5 78.8 56.8 135.9 8.2 132.9 126.0 119.1 96.7 75.4 53.5
57 139.3 7.3 139.3 139.3 139.3 124.1 101.6 79.1 134.2 8.2 134.2 134.2 134.2 120.2 97.9 75.7
4500
72 154.0 7.6 123.4 100.2 77.1 53.9 - - 152.3 7.8 122.7 99.1 75.4 51.8 - -
67 147.7 7.4 139.5 122.1 104.7 80.8 56.8 - 143.4 8.3 135.7 118.9 102.1 77.9 53.8 -
62 146.7 7.4 143.1 137.8 132.4 107.1 82.9 58.1 141.8 8.3 138.5 133.7 128.8 103.8 79.5 54.8
57 145.7 7.4 145.1 145.1 145.1 134.5 108.9 83.3 140.4 8.3 140.4 140.4 140.4 130.3 105.1 79.9
5000
72 156.9 7.6 130.7 105.2 79.6 54.0 - - 156.9 7.6 130.7 104.5 78.3 52.1 - -
67 152.3 7.5 146.7 128.8 110.9 84.3 57.7 - 148.7 8.4 142.8 125.6 108.4 81.6 54.7 -
62 152.2 7.5 148.8 145.5 142.2 114.6 86.9 59.3 147.7 8.4 144.2 141.3 138.5 111.0 83.5 56.0
57 152.0 7.5 150.9 150.9 150.9 144.9 116.2 87.5 146.6 8.5 145.6 145.6 145.6 140.4 112.3 84.2
95°F 105°F
2500
77 135.9 10.3 70.0 58.7 47.4 - - - 125.3 11.2 67.5 55.9 44.3 - - -
72 125.3 9.7 87.1 73.8 60.6 47.3 - - 117.4 10.7 84.0 70.6 57.1 43.7 - -
67 114.6 9.0 104.1 89.0 73.8 60.4 47.1 - 109.6 10.3 100.5 85.2 70.0 56.5 43.1 -
62 111.5 8.9 111.3 99.1 87.0 73.5 60.0 46.5 106.6 10.1 105.3 94.1 82.8 69.4 56.0 42.5
3000
77 142.5 9.4 80.5 64.1 47.6 - - - 130.8 10.6 77.8 60.8 43.9 - - -
72 131.6 9.3 95.8 79.8 63.9 47.9 - - 122.7 10.5 92.0 76.1 60.1 44.1 - -
67 120.7 9.1 111.1 95.6 80.2 64.1 48.0 - 114.7 10.3 106.3 91.3 76.3 60.2 44.0 -
62 117.9 9.0 116.9 106.7 96.5 80.3 64.0 47.8 112.0 10.2 110.3 101.4 92.6 76.2 59.9 43.6
57 117.0 8.8 117.0 117.0 112.8 96.4 80.1 63.7 110.6 10.1 110.6 110.6 108.8 92.3 75.8 59.3
3500
77 149.0 8.5 91.1 69.4 47.7 - - - 136.3 10.0 88.0 65.7 43.5 - - -
72 137.9 8.9 104.5 85.9 67.2 48.5 - - 128.0 10.2 100.1 81.6 63.1 44.6 - -
67 126.9 9.2 118.0 102.3 86.6 67.8 48.9 - 119.8 10.4 112.1 97.4 82.7 63.8 45.0 -
62 124.2 9.1 122.6 114.3 106.1 87.1 68.0 49.0 117.3 10.3 115.3 108.8 102.3 83.1 63.9 44.6
57 123.1 9.0 123.1 123.1 123.1 106.3 87.1 68.0 115.9 10.2 115.9 115.9 115.9 102.3 82.7 63.1
4000
77
155.6 7.7 101.6 74.7 47.9 - - - 141.8 9.4 98.2 70.7 43.1 - - -
72 144.3 8.4 113.3 91.9 70.5 49.1 - - 133.3 10.0 108.1 87.1 66.1 45.1 - -
67 133.0 9.2 125.0 109.0 93.0 71.5 49.9 - 124.9 10.5 118.0 103.5 89.1 67.5 45.9 -
62 130.5 9.2 128.3 121.9 115.6 93.8 72.1 50.3 122.7 10.4 120.2 116.1 112.0 89.9 67.8 45.7
57 129.1 9.1 129.1 129.1 129.1 116.2 94.2 72.3 121.2 10.4 121.2 121.2 121.2 112.4 89.7 67.0
4500
72 150.6 8.0 122.0 97.9 73.8 49.7 - - 138.6 9.7 116.1 92.6 69.1 45.5 - -
67 139.1 9.3 131.9 115.7 99.5 75.1 50.8 - 130.0 10.5 123.8 109.6 95.4 71.1 46.9 -
62 136.9 9.2 133.9 129.6 125.2 100.6 76.1 51.5 128.1 10.5 125.2 123.5 121.8 96.8 71.7 46.7
57 135.2 9.2 135.2 135.2 135.2 126.1 101.3 76.6 126.5 10.5 126.5 126.5 126.5 122.4 96.6 70.9
5000
72 156.9 7.6 130.7 103.9 77.1 50.2 - - 143.9 9.5 124.2 98.1 72.0 46.0 - -
67 145.2 9.3 138.9 122.4 105.9 78.8 51.7 - 135.1 10.6 129.6 115.7 101.8 74.8 47.8 -
62 143.2 9.3 139.6 137.2 134.7 107.4 80.1 52.8 133.4 10.6 130.2 130.2 130.2 103.6 75.7 47.8
57 141.2 9.4 140.3 140.3 140.3 136.0 108.4 80.9 131.8 10.6 130.8 130.8 130.8 130.8 103.6 74.7