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Performance Air-Cooled
Data
PKG-PRC002-EN60
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