Specification Sheet
External Static Pressure—Inches W.C. [kPa]
CFM [L/s] Air Delivery/RPM/Watts—208 Volts
Side Discharge—Wet Coil
RPM 498
Nominal
Cooling
Capacity
Tons [kW]
Motor
Speed
from
Factory
543
Manufacturer
Recommended
Air-Flow Range
(Min/Max)
CFM
Motor
Speed
648 728 806 853 947
Watts 280 278 268 259 252 243 219
High
CFM 1164 [549] 1154 [545] 1143 [539] 1124 [530] 1090 [514] 1034 [488]
0.1 [.02] 0.2 [.05] 0.3 [.07] 0.4 [.10] 0.5 [.12] 0.6 [.15] 0.7 [.17]
948 [447]
RPM 526 596 670 744
RPM 443 528 651 710 819 863 914
803 864 945
310
971
826 [390]
Watts 230 222 219 214 202 196 184
201
989
483 [228]
High
CFM 1062 [501] 1062 [501] 1058 [499] 1043 [492] 1013 [478] 962 [454] 884 [417]
2.5
[8.79]
Low 875/1125
Low
CFM 923 [436]
RPM 528 618 674 735 812 895 936
904 [427] 874 [412] 832 [393] 774 [365] 698 [329] 602 [284]
Watts 401 398 388 379 371 350 322 259
1051
660 [311]
—
—
—
235
1078
445 [210]
—
—
—
RPM 556 645 703 769 828 909 —
Watts 346 340 335 326 321 298 —
High
CFM 1884 [889] 1850 [873] 1815 [857] 1772 [836] 1712 [808] 1630 [769] 1516 [715]
RPM 791 834 871 912 946 975 1004
548
1032
1363 [643]
—
—
—
3.0
[10.55]
Low 1050/1350
Low
CFM 1145 [540] 1142 [539] 1118 [528] 1073 [506] 1006 [475]
297
918 [433] —
Watts
704 694 675 655 638 606 581 464
1083
1164 [549]
—
—
—
440
1097
910 [429]
—
—
—
RPM 490 539 598 653 709 772 811
Watts 401 400 393 391 381 373 364
High
CFM 1751 [826] 1729 [816] 1698 [801] 1658 [782] 1608 [759] 1549 [731] 1481 [699]
RPM 640 668 706 734 781
985
774 [365]
813 851
581
888
1404 [663]
343
887
846 [399]
—
3.5
[12.31]
Low 1225/1575
Low
CFM 1279 [604] 1237 [584] 1196 [564] 1151 [543]
—
1098 [518] 1032 [487] 950 [448]
Watts
660 658 651 644 628 617 603
—
0.8 [.20]
2.0
[7.03]
Low
557
700/900
Low
CFM 723 [341] 692 [327] 654 [309] 609 [287] 556 [262] 496 [234] 428 [202]
937
1317 [622]
329
928
717 [338]
524
Watts 396 393 384 376 361 335 318
968
1221 [576]
305
978
558 [263]
RPM 536 578 623 677 718 782 830
Watts
244
1055
627 [296]
—
—
—
0.9 [.22]
471 466 458 455 453 442 429
High
CFM 1786 [843] 1764 [833] 1734 [818] 1695 [800] 1649 [778] 1595 [753] 1532 [723]
RPM 618 643
223
1080
437 [206]
—
—
—
1.0 [.25]
684 726 757 805 841
596
883
1462 [690]
420
863
1055 [498]
4.0
[14.07]
Low 1400/1800
Low
CFM 1400 [661] 1393 [657] 1373 [648] 1337 [631] 1288 [608] 1225 [578] 1147 [541]
Watts
665 660 651 646 638 626 612 573
924
1384 [653]
403
902
949 [448]
555
955
1297 [612]
374
976
828 [391]
RPM 660 685 722 755 795 836 867
Watts 731 725 720 707 698 680 665
High
CFM 2444 [1153] 2420 [1142] 2384 [1125] 2337 [1103] 2278 [1075] 2208 [1042] 2127 [1004]
RPM 829 838 863 885 914 936 958
1068
983
2034 [960]
651
904
1486 [701]
5.0
[17.6]
Low 1750/2250
Low
CFM 1848 [872] 1821 [859] 1785 [842] 1742 [822] 1690 [798] 1630 [769] 1562 [737]
Watts 1225 1218 1197 1191 1160 1135 1105 1035
1003
1930 [911]
623
940
1402 [662]
980
1029
1814 [856]
596
975
1309 [618]
Blower Size/
Motor
HP [W] &
# of Speeds
10x9
1/3 HP [249]
2 Speed
Motor
(PSC Motor)
10x9
1/2 HP [373]
2 Speed
Motor
(PSC Motor)
11x9
1/2 HP [373]
2 Speed
Motor
(PSC Motor)
10x9
1/4 HP [186]
2 Speed
Motor
(PSC Motor)
11x9
3/4 HP [559]
2 Speed
Motor
(PSC Motor)
11x9
3/4 HP [559]
2 Speed
Motor
(PSC Motor)
INDOOR AIRFLOW PERFORMANCE—208 VOLTS
[ ] Designates Metric Conversions
22
AIRFLOW PERFORMANCE—RSNM- SERIES