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251934-YTG-G-0708
ZR240 (20 Ton) Alternate Reheat Mode (Continued)
Air on
Evaporator Coil
Total
1
Capacity
WB
CFM
(MBh)
(°F)
72
128.6
67
116.0
6000
62
109.6
57
101.6
72
135.8
67
122.5
7000
62
115.8
57
107.3
72
143.1
67
129.1
8000
62
122.0
57
113.0
72
140.1
67
126.4
9000
62
119.5
57
110.7
72
137.1
67
123.7
10000
62
116.9
57
108.3
1. These capacities are gross ratings. For net capacity, deduct air blower motor, MBh = 3.415 x kW. Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
No Sensible Cooling Capacity
36
Temperature of Air on Condenser Coil
Sensible Capacity (MBh)
Total
Input
Return Dry Bulb (°F)
2
(kW)
85
80
75
75°F
15.7
11.3
15.0
42.6
14.1
14.3
74.3
45.8
17.3
14.2
101.6
54.1
25.5
15.7
10.2
15.0
55.5
21.8
14.3
90.0
68.7
35.0
14.2
107.3
82.4
48.7
15.7
9.0
15.0
68.4
29.5
14.4
91.0
91.5
52.6
14.3
113.0
110.7
71.8
15.7
12.9
15.0
74.9
30.6
14.4
98.0
95.2
50.9
14.3
110.7
109.5
65.2
15.7
16.7
15.0
86.0
31.7
14.4
100.0
98.9
49.2
14.3
108.3
108.3
58.6
Total
Total
1
Capacity
Input
(MBh)
(kW)
70
65
131.8
17.1
119.4
16.4
107.1
15.8
100.7
15.2
126.0
16.5
113.0
15.8
1.3
106.2
15.2
15.0
98.4
15.1
132.6
16.5
118.9
15.8
13.7
111.7
15.2
32.9
103.5
15.1
129.4
16.5
116.1
15.8
6.6
109.1
15.2
20.9
101.1
15.1
126.3
16.5
113.2
15.8
106.4
15.2
35.0
98.6
15.1
Sensible Capacity (MBh)
Return Dry Bulb (°F)
2
85
80
75
70
85°F
14.7
38.2
9.6
61.4
32.9
4.4
66.4
37.9
9.4
8.4
51.4
17.7
86.6
60.2
26.5
95.0
69.4
35.7
2.0
2.1
64.6
25.7
90.0
87.6
48.7
9.9
103.5
101.0
62.1
23.2
6.8
70.5
26.2
95.0
89.4
45.1
0.8
101.1
99.8
55.5
11.2
11.5
76.4
26.7
84.0
80.0
41.5
98.6
98.6
48.9
15.0
Johnson Controls Unitary Products
65
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