York 251934-YTG-J-0910 Technical Manual page 28

R-410a zj/zr/zf series 15 - 25 ton 60 hertz
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251934-YTG-J-0910
ZJ300 (25 Ton) (Continued)
Air on
Evaporator Coil
Total
1
Capacity
WB
CFM
(MBh)
(°F)
77
313.7
72
288.1
6250
67
262.5
62
245.5
77
319.2
72
293.2
7500
67
267.1
62
249.9
57
246.1
77
324.8
72
298.3
8750
67
271.8
62
254.3
57
250.4
77
330.4
72
303.4
10000
67
276.5
62
258.6
57
254.7
72
298.2
67
271.7
11250
62
254.2
57
250.3
72
293.0
67
267.0
12500
62
249.8
57
246.0
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.
28
Sensible Capacity (MBh)
Total
Input
Return Dry Bulb (°F)
2
(kW)
90
85
80
115°F
29.7
138.3
114.3
87.2
29.4
182.3
155.1
127.9
29.0
226.2
195.8
168.7
28.5
245.5
245.5
209.1
29.9
153.9
124.6
95.3
29.5
198.5
169.1
139.8
29.2
243.0
213.7
184.3
28.6
249.9
249.9
228.6
28.7
246.1
246.1
241.6
30.0
169.6
134.8
103.4
29.7
214.6
183.2
151.7
29.3
259.7
231.5
200.0
28.8
254.3
254.3
248.0
28.8
250.4
250.4
262.2
30.2
185.2
145.1
111.5
29.8
230.8
197.2
163.5
29.5
276.5
249.3
215.6
28.9
258.6
258.6
267.4
29.0
254.7
254.7
282.7
30.1
240.3
208.6
177.0
29.7
271.7
258.1
233.3
29.2
254.2
254.2
258.6
29.2
250.3
250.3
264.3
30.3
249.8
220.1
190.4
30.0
267.0
267.0
251.0
29.4
249.8
249.8
249.8
29.4
246.0
246.0
246.0
Temperature of Air on Condenser Coil
Total
1
Capacity
(MBh)
75
70
65
-
-
-
295.1
100.7
-
-
270.2
141.5
114.3
-
245.2
182.0
154.8
127.6
230.5
-
-
-
298.4
110.5
-
-
273.2
155.0
125.7
-
247.9
199.2
169.9
140.6
233.1
212.3
183.0
153.6
230.3
-
-
-
301.7
120.2
-
-
276.2
168.5
137.0
-
250.7
216.5
185.0
153.5
235.7
230.7
199.2
167.7
232.8
-
-
-
305.0
129.9
-
-
279.2
182.0
148.4
-
253.4
233.8
200.1
166.5
238.2
249.0
215.4
181.8
235.4
145.3
-
-
270.6
201.6
170.0
-
245.5
226.9
195.3
163.6
230.9
232.7
201.0
169.3
228.2
160.7
-
-
262.0
221.3
191.6
-
237.7
220.1
190.4
160.7
223.6
216.3
186.6
156.9
221.0
Sensible Capacity (MBh)
Total
Input
Return Dry Bulb (°F)
2
(kW)
90
85
80
125°F
32.3
123.1
105.9
78.7
32.0
174.1
146.9
119.6
31.7
219.9
187.8
160.5
31.1
230.5
230.5
202.7
32.5
144.8
115.6
86.4
32.2
189.7
160.5
131.2
31.8
234.6
205.4
176.1
31.2
233.1
233.1
219.2
31.4
230.3
230.3
229.0
32.7
166.6
125.3
94.1
32.3
205.3
174.1
142.9
32.0
249.3
222.9
191.7
31.4
235.7
235.7
235.7
31.5
232.8
232.8
232.8
32.8
188.4
134.9
101.7
32.5
220.9
187.7
154.5
32.1
253.4
240.5
207.3
31.6
238.2
238.2
238.2
31.7
235.4
235.4
235.4
32.7
229.1
198.2
167.2
32.4
245.5
245.0
224.3
31.8
230.9
230.9
230.9
31.9
228.2
228.2
228.2
32.9
237.3
208.6
179.9
32.6
237.7
237.7
237.7
32.0
223.6
223.6
223.6
32.1
221.0
221.0
221.0
Johnson Controls Unitary Products
75
70
65
-
-
-
92.3
-
-
133.3
106.0
-
172.5
145.2
118.0
-
-
-
102.0
-
-
146.9
117.6
-
189.9
160.7
131.4
199.8
170.5
141.3
-
-
-
111.7
-
-
160.5
129.3
-
207.3
176.1
144.9
218.1
186.9
155.7
-
-
-
121.3
-
-
174.1
140.9
-
224.8
191.6
158.4
235.4
203.3
170.1
136.3
-
-
193.4
162.5
-
209.8
178.9
148.0
214.4
183.4
152.5
151.2
-
-
212.7
184.0
-
194.9
166.2
137.5
192.3
163.6
134.9

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