Air-cooled units, Performance air-cooled data, 20 ton – Trane PKG-PRC002-EN User Manual
Page 60
Performance
Air-Cooled
Data
PKG-PRC002-EN
60
20 Ton
Note:
1. Fan curves include refrigerant coil and internal cabinet
static losses. To determine static pressure to be used
with these curves, add filter, economizer, flexible
horizontal discharge and heat pressure drops to
external duct static pressure.
Table PD-44. SCRF/SIRF 20 Gross Cooling Capacity - 10,000 cfm - Air Cooled
Entering Ambient Air Temperature
75 F
85 F
95 F
105 F
115 F
EDB EWB
Tot
Sen
Tot
Sen
Tot
Sen
Tot
Sen
Tot
Sen
F
F
MBh
MBh
MBh
MBh
MBh
MBh
MBh
MBh
MBh
MBh
70
62
287.5
191.1
277.4
186.6
266.5
181.9
255.0
176.9
242.6
171.7
67
313.6
139.5
302.6
135.2
290.9
130.6
278.4
125.7
265.1
120.6
62
287.3
240.4
277.4
235.9
266.8
231.1
255.4
226.0
243.4
220.5
75
67
313.3
188.7
302.4
184.3
290.7
179.7
278.2
174.8
264.9
169.7
72
341.1
136.8
329.2
132.5
316.5
128.1
303.0
123.3
288.7
118.4
62
291.4
286.6
282.3
280.6
272.9
273.1
263.2
263.3
252.7
252.7
80
67
313.1
237.6
302.1
233.2
290.4
228.6
278.0
223.7
264.8
218.5
72
340.8
185.6
328.9
181.3
316.2
176.8
302.7
172.0
288.4
167.1
62
306.9
306.9
298.1
298.2
288.7
288.7
278.5
278.6
267.6
267.7
85
67
314.5
285.8
303.9
281.1
292.7
275.9
280.9
270.2
268.5
263.6
72
340.5
234.2
328.6
229.9
316.0
225.3
302.5
220.5
288.2
215.5
Chart PD-55. SCRF/SIRF 20 Fan Performance for CV or with VFD
Chart PD-56. SCRF/SIRF 20 Fan Performance with Inlet Guide Vanes