11
AIR DELIVERY—CFM (With Filter)
*
(Continued)
*A filter is required for each return-air supply. Airflow performance includes 1'' washable filter media such as contained in factory-authorized accessory
filter rack. To determine airflow performance without this fitler, assume an additional .1 available external static pressure.
-Indicates unstable operating conditions.
UNIT SIZE
RETURN-AIR
SUPPLY
SPEED
EXTERNAL STATIC PRESSURE (In. wc)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
110-22
Bottom
Only
High
Med-High
Med-Low
Low
2530
2230
1920
1640
2470
2205
1900
1650
2400
2165
1880
1635
2320
2110
1845
1510
2220
2035
1795
1575
2115
1950
1730
1520
2000
1855
1650
1455
1865
1740
1555
1375
1730
1615
1460
1285
1590
1485
1340
1170
Both Sides or
1 Side & Bottom
High
Med-High
Med-Low
Low
—
2235
1920
1640
—
2200
1900
1650
2415
2155
1880
1635
2350
2100
1845
1610
2250
2040
1795
1575
2145
1955
1730
1520
2015
1850
1650
1455
1875
1740
1555
1375
1715
1595
1460
1285
1560
1470
1340
1170
1 Side Only
High
Med-High
Med-Low
Low
2540
2125
1790
1515
2495
2120
1795
1535
2430
2105
1790
1522
2355
2060
1765
1490
2265
2010
1720
1445
2175
1940
1650
1390
2065
1840
1585
1315
1935
1730
1500
1225
1785
1615
1390
1120
1650
1485
1280
1120
135-16
Bottom
or
1 Side(s)
High
Med-High
Med-Low
Low
2090
1790
1545
1325
2010
1755
1525
1320
1930
1705
1500
1295
1835
1640
1450
1265
1710
1550
1380
1210
1590
1465
1315
1150
1470
1360
1215
995
1335
1210
1005
865
1025
945
855
745
835
785
670
540
135-22
Bottom
Only
High
Med-High
Med-Low
Low
2485
2195
1880
1640
2400
2150
1850
1635
2310
2090
1820
1615
2215
2000
1780
1585
2110
1920
1715
1530
2000
1825
1635
1465
1880
1720
1540
1370
1725
1565
1415
1255
1535
1405
1290
1150
1355
1255
1160
1040
Both Sides or
1 Side & Bottom
High
Med-High
Med-Low
Low
—
2180
1880
1640
—
2145
1850
1635
2385
2060
1820
1615
2305
2010
1780
1585
2195
1945
1715
1530
2085
1865
1635
1465
1960
1765
1540
1370
1825
1660
1415
1255
1670
1515
1290
1150
1465
1325
1160
1040
1 Side Only
High
Med-High
Med-Low
Low
2320
2125
1845
1640
2250
2065
1825
1620
2155
1995
1765
1580
2055
1910
1710
1540
1970
1815
1650
1485
1855
1710
1570
1410
1725
1610
1475
1330
1600
1490
1370
1220
1450
1340
1240
1080
1280
1175
1100
960
155-20
Bottom
Only
High
Med-High
Med-Low
Low
2465
2115
1800
1570
2430
2105
1790
1565
2375
2075
1770
1551
2305
2030
1735
1525
2230
1980
1695
1495
2110
1910
1640
1445
2000
1830
1570
1370
1865
1725
1465
1270
1725
1590
1345
1175
1545
1425
1225
1070
Both Sides or
1 Side & Bottom
High
Med-High
—
2155
—
2135
2375
2095
2285
2040
2200
1975
2105
1895
1995
1790
1870
1685
1730
1550
1570
1400
1 Side Only
High
Med-High
—
2140
—
2095
2260
2040
2180
1975
2085
1890
1975
1810
1865
1705
1740
1595
1605
1480
1455
1325