Zt090 (7.5 Ton) 3Rd Stage Cooling - York ZT SERIES Technical Manual

5167821-YTG-K-1118

ZT090 (7.5 ton) 3rd stage cooling

Air on evaporator
coil
Total
1
capacity
WB
CFM
(MBh)
(°F)
77 109.6
72 100.0
1875
67 90.4
62 81.9
77 116.0
72 105.8
2250 67 95.7
62 86.6
57 82.5
77 122.4
72 111.6
2625 67 100.9
62 91.4
57 87.1
77 128.8
72 117.5
3000 67 106.2
62 96.2
57 91.7
72 119.0
67 107.6
3375
62 97.4
57 92.9
72 120.5
67 108.9
3750
62 98.7
57 94.1
77 105.2
72 95.2
1875
67 85.1
62 77.6
77 107.3
72 97.0
2250 67 86.8
62 79.1
57 79.5
77 109.3
72 98.9
2625 67 88.4
62 80.6
57 81.0
77 111.3
72 100.7
3000 67 90.1
62 82.1
57 82.5
72 102.1
67 91.3
3375
62 83.3
57 83.7
72 103.5
67 92.6
3750
62 84.4
57 84.8
44
Sensible capacity (MBh)
Total input
Return dry bulb (°F)
2
(kW)
90 85 80
75°F
4.4 54.7 44.1 35.2
4.3 64.8 55.9 47.0
4.2 74.9 67.8 58.9
4.2 81.9 81.9 72.6
4.4 59.3 49.0 38.6
4.3 72.3 62.0 51.6
4.3 85.3 75.0 64.6
4.2 86.6 86.6 79.7
4.2 82.5 82.5 77.8
4.4 63.9 53.8 42.0
4.4 79.9 68.0 56.2
4.3 95.8 82.2 70.4
4.2 91.4 91.4 86.8
4.2 87.1 87.1 84.8
4.5 68.6 58.7 45.4
4.4 87.4 74.1 60.8
4.3 106.2 89.4 76.1
4.3 96.2 96.2 93.9
4.2 91.7 91.7 91.7
4.4 93.7 79.2 64.7
4.3 107.6 96.5 81.0
4.3 97.4 97.4 96.3
4.2 92.9 92.9 92.9
4.4 100.0 84.3 68.6
4.3 108.9 103.7 85.9
4.3 98.7 98.7 98.7
4.2 94.1 94.1 94.1
95°F
5.6 46.2 39.7 30.8
5.5 60.5 51.6 42.7
5.4 74.9 63.5 54.6
5.4 77.6 77.6 65.2
5.6 54.1 43.8 33.5
5.5 67.0 56.7 46.4
5.4 79.9 69.6 59.3
5.4 79.1 79.1 70.8
5.4 79.5 79.5 71.2
5.6 62.1 47.9 36.1
5.5 73.6 61.8 50.1
5.4 85.0 75.8 64.0
5.4 80.6 80.6 76.5
5.4 81.0 81.0 76.9
5.6 70.1 52.0 38.8
5.5 80.1 66.9 53.8
5.5 90.1 81.9 68.7
5.4 82.1 82.1 82.1
5.4 82.5 82.5 82.5
5.6 86.6 72.2 57.8
5.5 91.3 87.2 73.8
5.4 83.3 83.3 83.3
5.5 83.7 83.7 83.7
5.6 93.2 77.5 61.8
5.5 92.6 92.6 79.0
5.5 84.4 84.4 84.4
5.5 84.8 84.8 84.8
Temperature of air on condenser coil
Total
1
capacity
(MBh)
75 70 65
- - - 107.4
38.1 - - 97.6
50.0 41.1 - 87.8
63.7 54.8 45.9 79.8
- - - 111.6
41.2 - - 101.4
54.2 43.9 - 91.2
69.3 59.0 48.6 82.9
67.5 57.1 46.7 81.0
- - - 115.8
44.3 - - 105.3
58.5 46.7 - 94.7
74.9 63.1 51.3 86.0
72.9 61.1 49.3 84.1
- - - 120.0
47.5 - - 109.1
62.8 49.5 - 98.1
80.6 67.3 53.9 89.1
78.4 65.1 51.8 87.1
50.2 - - 110.5
66.5 52.0 - 99.4
81.8 67.2 52.7 90.3
78.4 63.8 49.3 88.3
52.9 - - 112.0
70.2 54.4 - 100.8
83.0 67.2 51.5 91.5
78.4 62.6 46.9 89.5
- - - 98.4
33.8 - - 88.8
45.6 36.7 - 79.2
56.3 47.3 38.4 73.1
- - - 100.2
36.0 - - 90.5
49.0 38.6 - 80.7
60.5 50.2 39.8 74.4
60.9 50.5 40.2 74.1
- - - 102.1
38.3 - - 92.1
52.3 40.5 - 82.2
64.7 53.0 41.2 75.8
65.1 53.4 41.6 75.5
- - - 104.0
40.6 - - 93.8
55.6 42.4 - 83.7
69.0 55.8 42.7 77.2
69.4 56.2 43.1 76.8
43.4 - - 95.0
59.4 45.0 - 84.8
68.8 54.4 40.0 78.2
69.3 54.8 40.4 77.8
46.1 - - 96.2
63.3 47.6 - 85.8
68.7 53.0 37.3 79.2
69.1 53.4 37.7 78.8
Sensible capacity (MBh)
Total input
Return dry bulb (°F)
2
(kW)
90 85 80
85°F
5.0 50.4 41.9 33.0
4.9 62.7 53.8 44.8
4.8 74.9 65.6 56.7
4.8 79.8 79.8 68.9
5.0 56.7 46.4 36.0
4.9 69.7 59.3 49.0
4.8 82.6 72.3 61.9
4.8 82.9 82.9 75.3
4.8 81.0 81.0 74.5
5.0 63.0 50.9 39.1
4.9 76.7 64.9 53.1
4.9 90.4 79.0 67.2
4.8 86.0 86.0 81.6
4.8 84.1 84.1 80.8
5.1 69.3 55.4 42.1
5.0 83.7 70.5 57.3
4.9 98.1 85.6 72.4
4.8 89.1 89.1 88.0
4.8 87.1 87.1 87.1
5.0 90.2 75.7 61.2
4.9 99.4 91.9 77.4
4.8 90.3 90.3 89.8
4.9 88.3 88.3 88.3
5.0 96.6 80.9 65.2
4.9 100.8 98.1 82.4
4.9 91.5 91.5 91.5
4.9 89.5 89.5 89.5
105°F
6.3 41.5 36.8 27.9
6.2 57.6 48.7 39.8
6.1 73.6 60.6 51.7
6.1 73.1 73.1 60.7
6.3 51.0 40.7 30.4
6.2 64.0 53.7 43.4
6.2 77.0 66.7 56.4
6.1 74.4 74.4 66.2
6.1 74.1 74.1 65.9
6.3 60.4 44.6 32.9
6.2 70.4 58.7 47.0
6.2 80.3 72.8 61.1
6.1 75.8 75.8 71.7
6.1 75.5 75.5 71.3
6.3 69.8 48.5 35.5
6.3 76.8 63.7 50.6
6.2 83.7 78.9 65.8
6.2 77.2 77.2 77.2
6.2 76.8 76.8 76.8
6.3 82.6 68.3 54.1
6.2 84.8 82.4 70.3
6.2 78.2 78.2 78.2
6.2 77.8 77.8 77.8
6.3 88.4 73.0 57.6
6.3 85.8 85.8 74.8
6.2 79.2 79.2 79.2
6.2 78.8 78.8 78.8
Johnson Controls Ducted Systems
75 70 65
- - -
35.9 - -
47.8 38.9 -
60.0 51.1 42.2
- - -
38.6 - -
51.6 41.2 -
64.9 54.6 44.2
64.2 53.8 43.5
- - -
41.3 - -
55.4 43.6 -
69.8 58.1 46.3
69.0 57.2 45.4
- - -
44.0 - -
59.2 46.0 -
74.8 61.5 48.3
73.9 60.7 47.4
46.8 - -
63.0 48.5 -
75.3 60.8 46.4
73.8 59.3 44.9
49.5 - -
66.7 51.0 -
75.8 60.1 44.4
73.7 58.0 42.3
- - -
30.9 - -
42.8 33.9 -
51.8 42.9 34.0
- - -
33.1 - -
46.1 35.8 -
55.9 45.6 35.3
55.6 45.3 35.0
- - -
35.3 - -
49.4 37.7 -
60.0 48.3 36.6
59.7 48.0 36.3
- - -
37.6 - -
52.7 39.6 -
64.1 51.1 38.0
63.8 50.7 37.6
39.9 - -
56.1 41.8 -
63.9 49.7 35.5
63.6 49.4 35.1
42.2 - -
59.4 44.0 -
63.8 48.4 33.0
63.4 48.0 32.6