APPENDIX A BLOWER PERFORMANCE TABLES
STANDARD DOWN SHOT AND HORIZONTAL
EXTERNAL STATIC
SPEED TAP
PRESSURE (ESP)
in w.c.
0.10
0.20
LOW
0.30
0.40
0.50
0.10
0.20
0.30
MED
0.40
0.50
0.60
0.70
0.10
0.20
0.30
HIGH
0.40
0.50
0.60
EXTERNAL STATIC
SPEED TAP
PRESSURE (ESP)
in w.c.
0.10
0.20
LOW
0.30
0.40
0.50
0.10
0.20
0.30
MED
0.40
0.50
0.60
0.70
0.10
0.20
0.30
HIGH
0.40
0.50
0.60
NOTES:
Tables represent dry coil without filter, to compensate for filter add 0.08" to measured E.S.P. SCFM correction for
wet coil = 4 %.
4 Ton models are shipped from the factory with speed tap set on MED.
DIRECT DRIVE
DCC/DCH048 DIRECT DRIVE DOWN SHOT
STANDARD
CFM
1602
1538
1474
1390
1306
1805
1704
1625
1549
1437
1301
1158
1971
1828
1744
1628
1510
1402
DCC/DCH048 DIRECT DRIVE HORIZONTAL
STANDARD
CFM
1622
1558
1494
1410
1326
1861
1733
1639
1564
1434
1320
1156
1984
1883
1770
1656
1540
1415
17
AMPS
WATTS
2.48
528
2.37
506
2.26
484
2.15
460
2.04
436
2.84
620
2.71
590
2.59
558
2.47
540
2.38
516
2.23
480
2.09
444
3.22
706
3.03
664
2.94
632
2.80
606
2.69
582
2.57
552
AMPS
WATTS
2.54
539
2.43
517
2.32
495
2.21
471
2.10
447
3.11
670
2.78
606
2.64
568
2.51
542
2.35
508
2.25
482
2.08
446
3.34
734
3.18
694
3.03
654
2.87
620
2.76
590
2.62
558
RPM
835
878
921
950
979
935
967
990
1012
1030
1050
1072
968
998
1017
1034
1050
1067
RPM
809
852
895
924
953
886
918
960
984
1017
1039
1067
949
977
1001
1027
1044
1061