32
Performance
Data
Table PD-2. SCWF/SIWF 20 - Economizer Full Capacity - 8,000 cfm
Entering Air
EDB
EWB
Flow
Total
F
F
gpm
MBh
50
210.3
62
60
220.8
70
228.8
50
265.7
75
67
60
284.6
70
299.0
50
339.2
72
60
364.8
70
383.9
50
230.9
62
60
239.2
70
245.2
50
271.3
80
67
60
288.1
70
300.9
50
338.5
72
60
363.9
70
383.0
50
262.5
62
60
270.4
70
275.9
50
283.5
85
67
60
298.0
70
309.0
50
340.7
72
60
364.4
70
382.6
Table PD-3. SCWF/SIWF 20 - Economizer Low Capacity - 8,000 cfm
Entering Air
EDB
EWB
Flow
Total
F
F
gpm
MBh
50
140.0
62
60
147.0
70
152.4
50
175.6
75
67
60
188.4
70
198.0
50
224.3
72
60
241.1
70
253.7
50
160.2
62
60
166.4
70
170.7
50
177.8
80
67
60
189.3
70
198.1
50
223.8
72
60
240.5
70
253.1
50
183.2
62
60
190.2
70
195.1
50
188.1
85
67
60
197.7
70
205.0
50
223.6
72
60
240.0
70
252.6
Water-Cooled
20 Ton
Entering Water Temp
45 F
Sensible
LWT
Total
MBh
F
MBh
189.3
53.4
132.5
193.7
52.4
136.2
197.1
51.5
138.9
160.4
55.6
155.2
167.9
54.5
164.4
173.7
53.5
171.8
133.9
58.6
221.4
143.3
57.2
238.3
150.5
56.0
251.4
226.2
54.2
165.6
234.5
53.0
170.2
240.6
52.0
173.5
204.6
55.9
171.1
211.3
54.6
178.2
216.5
53.6
183.7
176.3
58.5
222.0
185.8
57.1
238.0
193.1
55.9
250.6
262.5
55.5
198.6
270.4
54.0
204.1
275.9
52.9
208.0
251.3
56.3
199.2
257.1
54.9
204.8
261.6
53.8
208.8
219.3
58.6
230.6
228.2
57.1
244.2
235.1
55.9
255.1
Entering Water Temp
45 F
Sensible
LWT
Total
MBh
F
MBh
135.3
50.6
92.8
144.0
49.9
96.1
146.2
49.4
98.4
114.8
52.0
102.0
119.7
51.3
107.8
123.3
50.7
112.6
90.6
54.0
146.7
96.5
53.0
157.3
101.0
52.2
165.5
160.2
51.4
116.1
166.4
50.5
120.1
170.7
49.9
123.0
149.8
52.1
116.4
154.2
51.3
120.8
157.5
50.7
124.2
124.8
54.0
146.2
130.7
53.0
156.8
135.2
52.2
165.0
183.2
52.3
139.3
190.2
51.3
144.1
195.1
50.6
147.6
187.8
52.5
139.6
191.4
51.6
144.4
194.3
50.9
147.9
158.9
53.9
151.1
164.7
53.0
159.8
169.2
52.2
166.7
55 F
Sensible
LWT
MBh
F
132.5
60.3
136.2
59.5
138.9
59.0
119.1
61.2
122.4
60.5
125.0
59.9
92.8
63.9
98.5
62.9
103.0
62.2
165.6
61.6
170.2
60.7
173.5
60.0
166.8
61.8
169.4
60.9
171.4
60.2
135.4
63.9
140.8
62.9
145.1
62.2
198.6
62.9
204.1
61.8
208.0
60.9
199.2
63.0
204.8
61.8
208.8
61.0
180.5
64.2
185.1
63.1
188.8
62.3
55 F
Sensible
LWT
MBh
F
92.8
58.7
96.1
58.2
98.4
57.8
88.3
59.1
90.3
58.6
92.0
58.2
64.5
60.9
68.0
60.2
70.7
59.7
116.1
59.6
120.1
59.0
123.0
58.5
111.3
59.7
115.7
59.0
119.1
58.5
98.8
60.8
102.2
60.2
104.8
59.7
139.3
60.6
144.1
59.8
147.6
59.2
139.6
60.6
144.4
59.8
147.9
59.2
134.6
61.0
137.4
60.3
139.7
59.8
PKG-PRC002-EN