Brochure

9
6-170.9
Table 9.1 - Blower Model BTC215-310 
Table 9.2 -
Alternate Drives for
115/230V 1 Ph, 1
HP Motors
Table 9.3 -
Alternate Drives
for 115/230V 1 Ph,
1-1/2 HP Motors
Outputs shown are for
elevations up to 2000'.
For elevations over
2000’, output needs to
be reduced 4% for
each 1000' above sea
level. (Does not apply in
Canada - see rating plate).
Sheave turns open
are approximate.
For proper operation,
check blower rpm.
For 115/230V (1 HP and
1-1/2 HP) selections, see
Tables 9.2 & 3 for the
corrected Drive Number.
Model
1 HP Drive
Listed
1 HP Drive
for 115/230V
BTC215
269 = 270
273 = 272
275 = 274
276 = 277
Model
1-1/2 HP
Drive Listed
1-1/2 HP Drive
for 115/230V
BTC215
269 = 270
273 = 272
BTC260
262 = 261
264 = 263
267 = 266
BTC310
262 = 261
264 = 263
267 = 266
BLOWER PERFORMANCE DATA - MODEL BTC
External Static Pressure (“W.C.)
0.0 0.1 0.2 0.3 0.4 0.5 0.58
Model
Size
ATR CFM HP RPM Drive Turns RPM Drive Turns RPM Drive Turns RPM Drive Turns RPM Drive Turns RPM Drive Turns RPM Drive Turns HP
215
40 4628
2
618
269 5.0
647
269 4.0
676
269 3.5
703
269 2.5
730
269 2.0
757
- -
777
- -
2
273 0.5 - - - - - - - - - - - -
3 - - - - - - - - - - 271 1.0 271 0.5 3
45 4114
1-1/2
552
- -
586
- -
617
269 5.0
648
269 4.0
677
269 3.5
706
- -
727
- -
1-1/2
273 3.0 273 1.5 273 0.5 - - - - - - - -
2 - - - - - - - - - - 269 2.5 269 2.0 2
50 3703
1
500
273 4.5
534
273 3.5
569
273 2.0
602
- -
634
- -
665
- -
690
- -
1
275 1.5 275 0.5 - - - - - - - - - -
1-1/2
- - - - - - - - 269 4.5 269 3.5 269 3.0
1-1/2
- - - - - - 273 1.0 273 0.0 - - - -
55 3366
1
457
275 3.5
497
275 2.0
534
275 0.5
570
- -
604
- -
636
- -
685
- -
1
276 1.0 - - - - - - - - - - - -
1-1/2
- - - - - - - - - - 269 4.5 269 3.0
1-1/2- - 273 4.5 273 3.5 273 2.0 273 1.0 - - - -
- - - - - - - - - - 273 0.0 - -
60 3086 1 422
- -
463
- -
504
- -
541
- -
578
- -
612
269 5.0
640
269 4.5
1
- - - - 273 4.5 273 3.0 273 2.0 273 0.5 - -
275 5.0 275 3.0 275 1.5 275 0.0 - - - - - -
276 2.5 276 0.5 - - - - - - - - - -
65 2848 1 392
- -
439
- -
481
- -
521
- -
559
- -
596
- -
624
269 5.0
1
273 4.0 273 2.5 273 1.5 273 0.5
- - 275 4.0 275 2.5 275 1.0 - - - - - -
276 4.0 276 1.5 - - - - - - - - - -
70 2645 1 368
- -
419
- -
464
- -
506
- -
546
- -
584
- -
614
269 5.0
1
- - - - - - 273 4.5 273 3.0 273 1.5 273 0.5
- - 275 5.0 275 3.0 275 1.5 275 0.0 - - - -
276 5.0 276 2.5 276 0.5 - - - - - - - -
260
40 5597
3
797
260 3.5
821
260 3.0
843
- -
866
- -
888
- -
910
- -
927
- -
3
278 0.0 - - - - - - - - - - - -
5 - - - - 260 2.5 260 2.0 260 1.5 260 1.0 260 0.5 5
45 4975 3 713
- -
739
260 5.0
764
260 4.5
789
260 3.5
813
260 3.0
837
260 2.5
856
260 2.0
3
278 2.5 278 1.5 278 1.0 278 0.5 - - - - - -
50 4478
2
646
- -
674
- -
702
- -
729
268 5.0
755
268 4.5
781
- -
801
- -
2262 4.0 262 3.5 262 2.5 262 2.0 262 2.0 - - - -
264 1.5 264 0.5 - - - - - - - - - -
3
- - - - - - - - - - 260 4.0 260 3.5
3
- - - - - - - - - - 278 0.5 278 0.0
55 4071
1-1/2
590
- -
622
262 5.0
653
262 4.0
682
262 3.0
710
- -
738
- -
760
- -
1-1/2264 3.0 264 2.0 264 1.0 264 0.0 - - - - - -
267 0.0 - - - - - - - - - - - -
2
- - - - - - - - - - 268 5.0 268 4.5
2
- - - - - - - - 262 2.5 262 1.5 262 1.0
60 3731 1-1/2 543
- -
576
- -
609
- -
641
262 4.5
671
262 3.5
701
262 2.5
724
262 2.0
1-1/2264 4.5 264 3.5 264 2.5 264 1.5 264 0.5 - - - -
267 1.5 267 0.5 - - - - - - - - - -
65 3444 1-1/2 503
- -
540
- -
575
- -
609
- -
641
262 4.5
672
262 3.5
697
262 3.0
1-1/2- - 264 5.0 264 3.5 264 2.5 264 1.5 264 0.5 - -
267 3.0 267 1.5 267 0.5 - - - - - - - -
70 3198 1-1/2 469
- -
507
- -
544
- -
580
- -
614
262 5.0
647
262 4.0
673
262 3.5
1-1/2- - - - 264 4.5 264 3.5 264 2.5 264 1.5 264 0.5
267 4.5 267 3.0 267 1.5 267 0.0 - - - - - -
310
40 6674 5 809 260 3.0 827 260 3.0 847 2.5 2.5 866 260 2.0 886 260 1.5 906 260 1.0 922 260 0.5 5
45 5932
3
722
- -
743
260 5.0
765
260 4.5
788
- -
810
- -
833
- -
850
- -
3
278 2.0 278 1.5 278 1.0 278 0.5 - - - - - -
5 - - - - - - 260 3.5 260 3.0 260 2.5 260 2.5 5
50 5339 3 652
- -
677
- -
701
- -
726
260 5.0
751
260 4.5
776
260 4.0
795
260 3.5
3278 4.0 278 3.5 278 2.5 278 2.0 278 1.5 278 0.5 278 0.0
265 1.0 265 0.5 - - - - - - - - - -
55 4854
2
595
- -
621
262 5.0
648
262 4.0
676
262 3.5
703
262 2.5
729
- -
750
- -
2
264 3.0 264 2.0 264 1.5 264 0.5 - - - - - -
3
- - - - - - - - - - 260 5.0 260 4.5
3
- - - - - - - - - - 278 2.0 278 1.5
60 4449
1-1/2
547
264 4.5
575
264 3.5
605
264 2.5
635
- -
664
- -
692
- -
714
- -
1-1/2
267 1.5 267 0.5 - - - - - - - - - -
2
- - - - - - 262 4.5 262 3.5 262 3.0 262 2.5
2
- - - - - - 264 1.5 264 1.0 264 0.0 - -
65 4107
1-1/2
506
- -
537
- -
569
- -
601
- -
632
262 4.5
662
262 3.5
686
- -
1-1/2- - 264 5.0 264 4.0 264 3.0 264 2.0 264 1.0 - -
267 3.0 267 2.0 267 0.5 - - - - - - - -
2
- - - - - - - - - - - - 262 3.0
2
- - - - - - - - - - - - 264 0.0
70 3813 1-1/2 471
- -
507
- -
541
- -
575
- -
608
- -
640
262 4.5
663
262 3.5
1-1/2- - - - 264 4.5 264 3.5 264 2.5 264 1.5 264 1.0
267 4.0 267 3.0 267 1.5 267 0.5 - - - - - -