Zt090 (7.5 Ton) Reheat - York ZT SERIES Technical Manual

5167821-YTG-K-1118

ZT090 (7.5 ton) reheat

Air on evaporator
coil
Total
Total input
1
capacity
WB
CFM
(MBh)
(°F)
77 57.3
72 56.2
1875
67 55.0
62 51.0
77 59.3
72 58.0
2250 67 56.8
62 52.7
57 49.8
77 61.2
72 59.9
2625 67 58.6
62 54.4
57 51.4
77 63.1
72 61.8
3000 67 60.4
62 56.1
57 53.0
72 61.6
67 60.3
3375
62 56.0
57 52.9
72 61.4
67 60.2
3750
62 55.9
57 52.8
77 59.7
72 54.4
1875
67 49.1
62 44.3
77 61.2
72 55.8
2250 67 50.4
62 45.5
57 43.9
77 62.8
72 57.2
2625 67 51.7
62 46.7
57 45.0
77 64.4
72 58.7
3000 67 53.0
62 47.8
57 46.2
72 60.0
67 54.1
3375
62 48.9
57 47.2
72 61.3
67 55.3
3750
62 49.9
57 48.2
66
Sensible capacity (MBh)
Return dry bulb (°F)
2
(kW)
90 85 80
35°F
1.9 20.2 16.3 12.3
1.9 29.3 25.3 21.3
1.8 38.3 34.3 30.4
1.8 42.2 35.2 34.3
2.0 22.2 18.0 13.9
1.9 32.1 28.0 23.8
1.8 42.1 38.0 33.8
1.8 46.9 42.1 37.9
1.8 49.2 45.0 40.9
2.0 24.1 19.8 15.5
1.9 35.0 30.7 26.4
1.9 45.9 41.6 37.3
1.8 51.5 49.0 41.6
1.8 51.1 49.0 44.9
2.0 26.0 21.5 17.0
2.0 37.9 33.4 28.9
1.9 49.7 45.2 40.7
1.9 56.1 56.0 45.3
1.8 53.0 53.0 49.0
2.0 40.1 35.4 30.6
1.9 52.6 47.7 42.9
1.9 56.0 55.9 50.6
1.8 52.9 52.9 50.9
2.0 42.3 37.4 32.4
1.9 55.6 50.2 45.2
1.9 55.9 55.9 55.9
1.8 52.8 52.8 52.8
55°F
2.4 10.5 6.8 3.1
2.2 20.1 16.4 12.7
2.1 29.7 26.0 22.3
2.0 44.3 38.5 31.7
2.4 12.7 8.2 3.6
2.2 23.9 19.4 14.9
2.1 35.2 30.6 26.1
2.0 45.5 41.6 37.1
2.1 43.9 39.5 34.9
2.3 14.9 9.5 4.2
2.2 27.7 22.4 17.0
2.1 40.6 35.3 29.9
2.0 46.7 44.7 42.4
2.0 45.0 42.8 40.0
2.3 17.0 10.9 4.7
2.2 31.5 25.4 19.2
2.1 46.0 39.9 33.7
2.0 47.8 47.8 47.8
2.0 46.2 46.2 45.1
2.2 34.7 28.1 21.4
2.1 50.7 44.3 37.6
2.0 48.9 48.9 48.9
2.1 47.2 47.2 46.6
2.2 37.8 30.8 23.7
2.1 55.3 48.7 41.6
2.0 49.9 49.9 49.9
2.1 48.2 48.2 48.2
Temperature of air on condenser coil
Total
1
capacity
(MBh)
75 70 65
- - - 58.5
17.4 - - 55.3
26.4 22.4 - 52.1
30.3 26.3 22.4 47.7
- - - 60.3
19.7 - - 56.9
29.7 25.5 - 53.6
33.8 29.7 25.5 49.1
36.7 32.6 28.4 46.9
- - - 62.0
22.0 - - 58.6
32.9 28.6 - 55.2
37.3 33.0 28.7 50.5
40.6 36.3 32.0 48.2
- - - 63.7
24.4 - - 60.2
36.2 31.7 - 56.7
40.8 36.3 31.8 52.0
44.5 40.0 35.5 49.6
25.9 - - 60.8
38.2 33.5 - 57.2
45.9 41.1 36.4 52.4
46.2 41.4 36.7 50.0
27.4 - - 61.4
40.2 35.2 - 57.8
50.9 45.9 41.0 52.9
47.8 42.8 37.8 50.5
- - - 54.9
9.0 - - 49.3
18.6 14.9 - 43.8
28.0 24.2 20.5 39.5
- - - 56.6
10.3 - - 50.8
21.6 17.0 - 45.1
32.5 28.0 23.4 40.7
30.4 25.9 21.3 39.1
- - - 58.2
11.7 - - 52.3
24.5 19.2 - 46.4
37.1 31.7 26.4 41.9
34.7 29.3 24.0 40.2
- - - 59.9
13.0 - - 53.8
27.5 21.3 - 47.8
41.6 35.5 29.3 43.1
38.9 32.7 26.6 41.4
14.8 - - 54.6
31.0 24.4 - 48.4
42.3 35.6 29.0 43.7
40.0 33.4 26.8 42.0
16.6 - - 55.3
34.5 27.5 - 49.1
42.9 35.8 28.7 44.3
41.1 34.1 27.0 42.5
Sensible capacity (MBh)
Total input
Return dry bulb (°F)
2
(kW)
90 85 80
45°F
2.1 15.4 11.5 7.7
2.1 24.7 20.9 17.0
2.0 34.0 30.2 26.3
1.9 43.3 36.8 33.0
2.2 17.4 13.1 8.7
2.1 28.0 23.7 19.4
2.0 38.6 34.3 30.0
1.9 46.2 41.8 37.5
1.9 46.6 42.2 37.9
2.2 19.5 14.6 9.8
2.1 31.4 26.5 21.7
2.0 43.3 38.4 33.6
1.9 49.1 46.9 42.0
1.9 48.1 45.9 42.5
2.2 21.5 16.2 10.9
2.1 34.7 29.4 24.0
2.0 47.9 42.5 37.2
1.9 52.0 51.9 46.6
1.9 49.6 49.6 47.0
2.1 37.4 31.7 26.0
2.0 51.7 46.0 40.3
1.9 52.4 52.4 49.7
1.9 50.0 50.0 48.8
2.1 40.1 34.1 28.0
2.0 55.4 49.4 43.4
2.0 52.9 52.9 52.9
2.0 50.5 50.5 50.5
65°F
2.6 9.3 5.9 2.5
2.5 17.7 14.3 11.0
2.4 26.2 22.8 19.4
2.3 38.1 32.2 25.9
2.6 11.6 7.4 3.1
2.4 21.9 17.6 13.4
2.3 32.2 27.9 23.6
2.3 39.8 35.8 31.5
2.3 38.6 34.4 30.1
2.5 14.0 8.8 3.6
2.4 26.1 20.9 15.8
2.3 38.2 33.1 27.9
2.3 41.4 39.5 37.1
2.3 40.0 37.9 35.5
2.5 16.3 10.2 4.2
2.4 30.3 24.2 18.2
2.3 44.3 38.2 32.2
2.3 43.1 43.1 42.7
2.3 41.4 41.4 40.8
2.4 33.7 27.0 20.3
2.3 46.7 42.0 36.0
2.3 43.7 43.7 43.5
2.3 42.0 42.0 41.7
2.4 37.1 29.8 22.5
2.3 49.1 45.8 39.9
2.3 44.3 44.3 44.3
2.3 42.5 42.5 42.5
Johnson Controls Ducted Systems
75 70 65
- - -
13.2 - -
22.5 18.7 -
29.1 25.3 21.4
- - -
15.0 - -
25.6 21.3 -
33.2 28.8 24.5
33.6 29.2 24.9
- - -
16.9 - -
28.7 23.9 -
37.2 32.3 27.5
37.6 32.8 28.0
- - -
18.7 - -
31.9 26.5 -
41.2 35.9 30.5
41.7 36.4 31.0
20.3 - -
34.6 28.9 -
44.1 38.4 32.7
43.1 37.4 31.7
22.0 - -
37.4 31.3 -
46.9 40.9 34.9
44.5 38.5 32.4
- - -
7.6 - -
16.0 12.6 -
22.6 19.2 15.8
- - -
9.1 - -
19.4 15.1 -
27.3 23.0 18.7
25.8 21.6 17.3
- - -
10.6 - -
22.7 17.6 -
31.9 26.8 21.6
30.3 25.1 20.0
- - -
12.1 - -
26.1 20.0 -
36.6 30.6 24.5
34.8 28.7 22.6
13.7 - -
29.3 22.6 -
36.8 30.1 23.4
35.0 28.3 21.6
15.2 - -
32.6 25.3 -
37.0 29.7 22.4
35.2 27.9 20.6