MIL-PRF-23798D(SH)
TABLE IV. Size 23 performance (3.6 gal/min/ton).
SCFM
Entering
Entering
Chilled
1540 3/
air DB
air WB
water
1000
1880
(°F)
(°F)
(°F)
MBH 1/
WB
MBH
WB
MBH
WB
58.0 2/
26.9 2/
39.0 2/
45.6 2/
48.0
48.5
49.0
2/
70
62.0
37.6
48.5
53.4
50.0
62.4
50.0
64.0
44.1
48.5
62.9
50.5
63.5
50.5
66.0 2/
50.5 2/
72.9 2/
84.9 2/
49.0
50.0
51.0
62.0 2/
38.9 2/
56.6 2/
66.8 2/
48.0
48.5
49.0
2/ 3/
67.0 3/
77.6 3/
80
54.1
48.5
50.0
90.9
51.0
45
70.0
64.8
49.0
92.8
50.5
109.2
51.5
72.5 2/
74.2 2/
107.2 2/
125.3 2/
49.0
51.0
52.0
68.5 2/
60.7 2/
84.2 2/
100.7 2/
46.0
51.0
51.0
2/
76.0
88.2
49.5
127.5
51.5
150.5
52.5
100
81.5
113.2
50.0
163.7
52.5
192.1
54.0
83.5 2/
122.5 2/
177.4 2/
203.0 2/
50.5
53.0
55.5
Notes:
1/
Thousands, Btu/h
2/
Test points
3/
1540 Nominal rating point
TABLE V. Size 24 performance (3.6 gal/min/ton).
SCFM
Chilled
Entering
Entering
2065 3/
water
air DB
air WB
1500
2550
(°F)
(°F)
(°F)
MBH 1/
WB
MBH
WB
MBH
WB
58.0 2/
38.5 2/
47.7 2/
56.9 2/
48.5
49.5
50.0
70 2/
62.0
52.6
49.5
67.2
50.5
78.8
51.0
64.0
61.8
49.5
79.4
50.5
93.2
51.5
66.0 2/
72.1 2/
92.5 2/
108.7 2/
49.5
51.0
51.5
62.0 2/
56.8 2/
74.1 2/
84.1 2/
48.5
49.0
50.5
80 2/ 3/
67.0 3/
99.8 3/
76.9
49.5
51.0
117.7
51.5
45
70.0
93.0
50.0
120.7
51.5
143.1
52.0
72.5 2/
107.6 2/
140.0 2/
165.0 2/
50.0
51.5
52.5
68.5 2/
90.0 2/
113.8 2/
137.5 2/
48.5
50.5
50.5
100 2/
76.0
128.9
50.0
168.0
52.0
197.7
53.5
81.5
154.7
50.5
203.1
52.5
240.5
54.0
83.5 2/
180.0 2/
235.4 2/
277.8 2/
51.0
53.5
55.0
Notes:
1/
Thousands, Btu/h
2/
Test points
3/
2065 Nominal rating point
11
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