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251934-YTG-J-0910
ZR300 (25 Ton) (Continued)
Air on
Evaporator Coil
Total
1
Capacity
WB
CFM
(MBh)
(°F)
77
316.4
72
289.3
7500
67
262.3
62
243.9
57
238.1
77
324.6
72
296.8
8750
67
269.1
62
250.2
57
244.2
77
332.7
72
304.3
10000
67
275.8
62
256.5
57
250.4
72
307.0
67
278.3
11250
62
258.8
57
252.6
72
309.7
67
280.8
12500
62
261.1
57
254.9
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.
38
Sensible Capacity (MBh)
Total
Input
Return Dry Bulb (°F)
2
(kW)
90
85
80
115°F
29.6
145.7
110.1
74.5
29.1
199.3
163.6
128.0
28.7
252.8
217.1
181.5
28.3
243.9
243.8
208.2
28.2
238.1
238.1
207.0
29.7
183.1
123.2
81.1
29.3
223.7
181.6
139.4
28.8
264.3
239.9
197.8
28.4
250.2
250.2
226.8
28.4
244.2
244.2
225.5
29.8
220.4
136.4
87.8
29.4
248.1
199.5
150.9
29.0
275.8
262.6
214.0
28.6
256.5
256.5
245.5
28.5
250.4
250.4
244.1
29.9
263.0
207.6
152.3
29.5
278.3
271.3
216.0
29.1
258.8
258.8
247.7
29.0
252.6
252.6
246.3
30.4
277.8
215.7
153.6
30.0
280.8
280.0
217.9
29.6
261.1
261.1
249.9
29.5
254.9
254.9
248.5
Temperature of Air on Condenser Coil
Total
1
Capacity
(MBh)
75
70
65
-
-
-
289.9
92.3
-
-
265.2
145.9
110.2
-
240.6
172.5
136.9
101.3
223.7
171.4
135.7
100.1
218.4
-
-
-
298.3
97.3
-
-
272.9
155.7
113.5
-
247.5
184.7
142.6
100.5
230.2
183.4
141.3
99.2
224.7
-
-
-
306.7
102.3
-
-
280.6
165.4
116.8
-
254.5
196.9
148.3
99.7
236.7
195.5
146.9
98.3
231.0
96.9
-
-
283.0
160.6
105.3
-
256.7
192.3
137.0
81.6
238.7
190.9
135.6
80.2
233.0
91.5
-
-
285.5
155.8
93.7
-
258.9
187.8
125.7
63.6
240.8
186.4
124.3
62.2
235.0
Sensible Capacity (MBh)
Total
Input
Return Dry Bulb (°F)
2
(kW)
90
85
80
125°F
32.7
124.1
88.4
52.8
32.0
183.7
148.0
112.4
31.3
240.6
207.6
172.0
31.1
223.7
223.7
193.0
31.0
218.4
218.4
188.5
32.8
166.2
100.3
58.2
32.1
207.6
165.4
123.3
31.4
247.5
230.6
188.5
31.2
230.2
230.2
211.6
31.1
224.7
224.7
206.7
32.8
208.4
112.1
63.5
32.1
231.4
182.8
134.2
31.5
254.5
253.6
205.0
31.3
236.7
236.7
230.2
31.1
231.0
231.0
224.9
32.7
246.1
190.8
135.4
32.0
256.7
256.7
206.7
31.8
238.7
238.7
232.2
31.7
233.0
233.0
226.9
33.3
260.8
198.7
136.6
32.6
258.9
258.9
208.5
32.4
240.8
240.8
234.2
32.2
235.0
235.0
228.8
Johnson Controls Unitary Products
75
70
65
-
-
-
76.7
-
-
136.3
100.7
-
157.4
121.7
86.1
152.9
117.2
81.6
-
-
-
81.2
-
-
146.3
104.2
-
169.5
127.4
85.2
164.6
122.5
80.4
-
-
-
85.6
-
-
156.4
107.8
-
181.6
133.0
84.4
176.3
127.7
79.1
80.1
-
-
151.4
96.0
-
176.8
121.5
66.1
171.5
116.2
60.8
74.5
-
-
146.4
84.3
-
172.1
110.0
47.9
166.7
104.6
42.5
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