York MFSI, Manual

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YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
24
600
Wheel Dia. Outlet Area Tip Speed (FPM) Maximum BHP Max. Motor Frame Size
73.0 in. 35.9 sq. ft. 19.11 x RPM 230.85 (RPM / 1000)
3
405T
Performance shown is for Installation Type B: free inlet, ducted outlet. Power rating (BHP) does not include belt drive losses. Performance ratings
do not include the effects of appurtenances in the airstream. Bold figures indicate maximum static efficiency. Approximate fan weights are less
motor and accessories.
CFM OV
1/4" SP 1/2" SP 3/4" SP 1" SP 1 1/4" SP 1 1/2" SP 1 3/4" SP 2" SP 2 1/4" SP 2 1/2" SP
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
28000 780 206 1.85 241 3.16
272 4.54 299 6.01 325 7.61
- - - - - - - - - -
31000 864 220 2.20 254 3.62 283 5.12 309 6.68 333 8.33 356 10.09 - - - - - - - -
34000 947 235 2.62 266 4.13 295 5.75
320 7.41 343 9.14 365 10.96 386 12.88
- - - - - -
37000 1031 251 3.10 279 4.69 307 6.42 331 8.21 354 10.04 375 11.93 395 13.91 415 15.98 434 18.15 - -
40000 1114 267 3.66 293 5.31 319 7.16 343 9.06
365 11.01 386 13.00 405 15.05 424 17.18 442 19.39 460 21.70
44000 1226 290 4.53 312 6.26 336 8.23 359 10.30 381 12.40 401 14.54 419 16.73 437 18.96 455 21.26 471 23.63
48000 1337 312 5.57 332 7.37 354 9.43 376 11.64 397 13.92 416 16.22 435 18.55 452 20.92 469 23.34 485 25.81
52000 1448 335 6.77 353 8.66 373 10.80 393 13.12 413 15.55 432 18.02 450 20.52
467 23.04 483 25.60 499 28.19
56000 1560 359 8.15 375 10.13 393 12.35 412 14.77 430 17.33 449 19.95 466 22.62 483 25.31 499 28.02 514 30.76
60000 1671 382 9.74 397 11.80 413 14.10 431 16.60 448 19.27 466 22.04 483 24.86 499 27.72 515 30.59
530 33.49
64000 1783 406 11.53 420 13.69 434 16.06 450 18.65 467 21.41 483 24.29 500 27.26 515 30.28 531 33.32 546 36.39
68000 1894 430 13.55 442 15.81 456 18.26 471 20.92 486 23.76 501 26.75 517 29.85 532 33.01 547 36.22 562 39.45
72000 2006 453 15.82 465 18.17 478 20.71 492 23.44 506 26.36 520 29.44 535 32.64 550 35.94 564 39.29 578 42.69
76000 2117 477 18.33 489 20.78 500 23.41 513 26.23 526 29.22 540 32.38 553 35.68 567 39.08 581 42.57 595 46.11
80000 2228 501 21.11 512 23.66 523 26.39 535 29.28 547 32.35 560 35.59 573 38.97 586 42.48 599 46.08 612 49.76
84000 2340 525 24.17 535 26.83 546 29.65 557 32.63 568 35.78 580 39.09 592 42.55 605 46.14 617 49.85 630 53.64
88000 2451 550 27.53 559 30.29 569 33.21 579 36.28 590 39.50 601 42.89 612 46.43 624 50.10 636 53.90 648 57.79
92000 2563 574 31.20 583 34.07 592 37.08 602 40.24 612 43.55 622 47.01 633 50.62 644 54.37 656 58.25 667 62.24
96000 2674 598 35.18 606 38.16 615 41.27 625 44.53 634 47.92 644 51.47 654 55.15 665 58.98 675 62.94 686 67.01
100000 2786 622 39.51 630 42.60 639 45.81 648 49.16 657 52.64 666 56.27 676 60.03 685 63.93 696 67.96 706 72.12
CFM OV
2 3/4" SP 3" SP 3 1/2" SP 4" SP 4 1/2" SP 5" SP 5 1/2" SP 6" SP 6 1/2" SP 7" SP
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
46000 1281 494 27.18 510 29.74 541 35.12 - - - - - - - - - - - - - -
48500 1351
502 28.64 517 31.25 547 36.69
- - - - - - - - - - - - - -
51000 1421 511 30.19 526 32.86 555 38.39 583 44.20 - - - - - - - - - - - -
53500 1490 520 31.82 534 34.56 562 40.20 590 46.09 617 52.26 - - - - - - - - - -
56000 1560
529 33.53 543 36.35 571 42.12 597 48.11 623 54.35 649 60.86
- - - - - - - -
58500 1630 538 35.32 552 38.22 580 44.14 606 50.25 631 56.58 656 63.15 680 69.98 - - - - - -
61000 1699
548 37.17 562 40.16 589 46.25 614 52.49 639 58.94 663 65.59 687 72.49 710 79.63
- - - -
63500 1769 558 39.09 572 42.17 598 48.44 623 54.84 647 61.41 671 68.17 694 75.15 717 82.35 739 89.80 - -
66000 1838 568 41.07 581 44.26 607 50.71 632 57.28 656 64.00 679 70.88 702 77.96 724 85.24 746 92.75 767 100.48
68500 1908 578 43.12 591 46.41
617 53.06 641 59.81 665 66.68 688 73.71 710 80.90 731 88.28 753 95.86 774 103.66
71000 1978 588 45.24 601 48.64 627 55.49 651 62.43 674 69.47 697 76.65 718 83.97 739 91.47 760 99.14 781 107.02
73500 2047 598 47.43 611 50.93 637 57.99
661 65.13 684 72.35 706 79.69 727 87.16 748 94.79 768 102.57 788 110.54
76000 2117 608 49.69 621 53.30 647 60.57 670 67.90 693 75.32 715 82.84 736 90.47 757 98.23 777 106.15 796 114.22
78500 2187 619 52.04 632 55.74 657 63.22 680 70.76
703 78.38 724 86.08 745 93.88 766 101.80 785 109.85 805 118.05
81000 2256 630 54.46 642 58.27 667 65.95 690 73.70 713 81.52 734 89.42 755 97.40 775 105.48 794 113.68 813 122.02
83500 2326 640 56.99 653 60.88 677 68.76 700 76.72 722 84.75
744 92.84 764 101.01 784 109.27 803 117.63
- -
86000 2396 651 59.60 664 63.58 687 71.66 710 79.83 732 88.06
754 96.36 774 104.72 794 113.17 813 121.70
- -
91000 2535 674 65.16 686 69.30 709 77.72 731 86.29 753 94.95 773 103.66 794 112.43 813 121.26 - - - -
96000 2674 697 71.19 708 75.46 730 84.20 752 93.14 773 102.19 794 111.32 813 120.51 - - - - - -
101000 2813 721 77.74 732 82.12 753 91.14 774 100.41 794 109.84 814 119.37 - - - - - - - -
j
WR
2
= Inertial Starting Force
k
Maximum RPM is based on operating temperature of 100°F.
From 101°F through 200°F multiply RPM by 0.93.
Class
Fan Weight
(Lbs.)
Wheel Weight
(Lbs.)
WR
2 j
(Lbs. Ft.
2
)
Max. Wheel RPM
k
(Steel or Aluminum)
I NA NA NA NA
II 4634 753 2611 816
120
(MAX)
115
3/8
107
3/4
87
1/2
72