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Performance Air-Cooled
Data
PKG-PRC002-EN66
50 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-50. SCRF/SIRF 50 Gross Cooling Capacity - 23,200 cfm
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 62 658.4 438.9 633.9 428.2 608.4 417.1 581.6 405.6 553.7 393.7
67 719.0 320.1 692.5 309.7 664.9 298.9 636.0 287.7 605.8 276.2
62 657.8 552.9 633.5 542.1 608.4 531.0 582.2 519.4 555.0 507.1
75 67 718.4 433.7 692.0 423.2 664.3 412.3 635.4 401.1 605.3 389.4
72 783.0 314.2 754.3 304.0 724.3 293.5 693.1 282.6 660.5 271.3
62 667.2 660.8 645.4 645.5 623.7 623.8 601.1 601.1 577.2 577.3
80 67 717.8 546.8 691.4 536.3 663.8 525.3 634.9 514.0 604.7 502.2
72 782.3 426.9 753.7 416.7 723.7 406.1 692.5 395.1 659.9 383.7
62 703.3 703.4 682.2 682.3 659.9 660.0 636.5 636.5 611.7 611.8
85 67 720.3 659.1 694.8 647.9 668.4 635.9 641.1 622.9 613.1 608.0
72 781.7 539.2 753.0 528.9 723.1 518.2 691.9 507.1 659.3 495.7
Chart PD-67. SCRF/SIRF 50 Fan Performance for CV or with VFD
Chart PD-68. SCRF/SIRF 50 Fan Performance with Inlet Guide Vanes