KFS Series Installation Manual

KFS Furnace Airflow Delivery Chart

Case Size HP Speed

CFM (Static)

(0.1) (0.2) (0.3) (0.4) (0.5) (0.6) (0.7) (0.8)

Small Case

30.5” tall

1/5

Low 1090 980 940 890 840

820 800 760

Med 1260 1090 1040 980 930

890 810 780

High 1370 1260 1220 1170 1120

1090 1080 990

1/3

Low 1700 1680 1670 1660 1650

1640 1630 1620

Med 1810 1800 1790 1750 1740

1730 1720 1710

High 1960 1940 1930 1910 1870

1860 1850 1830

Large Case

30.5” tall

1/5

Low 1160 1120 1090 1050 1020

990 960 850

Med 1310 1230 1200 1150 1120

1050 990 910

High 1480 1410 1390 1270 1240

1180 1120 1040

1/3

Low 1860 1850 1840 1830 1820

1810 1790 1740

Med 2000 1980 1960 1940 1930

1920 1910 1900

High 2120 2100 2070 2050 2030

2020 2010 2000

Airflow delivery chart notes:

1. CFM = cubic feet per minute.

2. Static = water column inches.

3. Performance based on air properties at sea level.

4. Includes factory provided air filter installed.

5. Includes electric heating coils installed, no power applied, no heat resistance.

6. Based on 230V, 3 speed motor.

7. 480V motors are single speed only, use high speed for airflow delivery.

Rev 10.15.12