ECR International BCL, Installation, Operation And Maintenance Manual, Page: 21 / 44

28141 Rev A 10-27-06
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TABLE A-12: AIRFLOW CHARACTERISTICS – DIRECT DRIVE
CFM
External Static Pressure – Inches w.c.
Furnace Model
Motor
HP
Blower ∆ T
Motor
FLA
Speed
0.20 0.25 0.30 0.40 0.50 0.60
High 1810 1775 1740 1675 1585 1510
Med-High 1570 1555 1540 1495 1445 1375
Med-Low 1090 1085 1080 1070 1065 1050
BCL(S)
BFL
80 – 145
1/2 HP G10 85°F 7.0
Low 710 700 700 690 665 650
High 2188 2161 2133 2069 2016 1933
Medium 1742 1730 1718 1702 1670 1604
BCL(S)
BFL
80 – 145 (T)
1 HP DCT1220-1104-5 85°F
12.3
14.0 MAX
Low 1410 1410 1410 1390 1374 1326
TABLE A-13: AIRFLOW CHARACTERISTICS – BELT DRIVE
CFM
External Static Pressure – Inches w.c.
Furnace Model
Motor
HP
Motor
FLA
∆ T Blower
Blower
Pulley
Motor
Pulley
Turns
Out
0.20 0.25 0.30 0.40 0.50 0.60
0 1425 1355 1280 1125 905 516
2 1280 1200 1125 915 555 256
4 1115 1020 905 530 225 11
BCL(S)
80 – 120
BFL
80 – 120
1/3 HP 5.4 85°F G10 7 x ¾
6 920 800 645 190 - - - - - -
0 1535 1475 1410 1250 1065 845
2 1440 1370 1295 1090 880 472
4 1320 1250 1170 970 625 319
BCL(S)
80 – 145
BFL
80 – 145
1/2 HP 7.8 85°F G10 6 x ¾
6 1225 1140 1040 835 435 132
Continued on next page.