6
AIR DELIVERY — CFM* (With Filter)
*
A filter is required for each return-air supply opening.
—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
040-12
Bottom or
1 Side
High
Med-High
Med
Med-Low
Low
1490
1095
875
770
600
1430
1055
895
765
590
1385
1050
900
760
575
1325
1035
885
745
565
1250
1000
860
725
540
1175
950
825
695
510
1085
895
770
640
470
975
820
700
580
420
060-08
Bottom or
1 Side
High
Med-High
Med-Low
Low
1040
855
745
610
1010
830
715
590
975
800
690
565
935
765
650
535
880
715
605
485
810
660
550
425
735
600
475
375
640
490
385
310
060-12
Bottom or
1 Side
High
Med-High
Med
Med-Low
Low
1430
1170
1000
865
685
1380
1150
1000
870
690
1325
1135
990
855
680
1265
1105
970
840
665
1195
1055
935
815
645
1125
995
885
780
610
1045
925
835
720
570
945
845
750
655
500
080-14
Bottom or
1 Side
High
Med-High
Med-Low
Low
1570
1370
1170
1010
1535
1355
1165
1005
1480
1330
1150
990
1415
1290
1115
965
1360
1240
1085
905
1280
1170
1035
905
1185
1080
970
845
1070
955
880
745
080-16
Bottom or
1 Side
High
Med-High
Med
Med-Low
Low
2010
1675
1445
1260
950
1950
1660
1430
1260
985
1875
1625
1415
1260
985
1810
1600
1400
1250
970
1740
1545
1370
1210
950
1660
1490
1325
1180
915
1550
1395
1265
1115
845
1455
1295
1170
1030
740
100-12
Bottom or
1 Side
High
Med-High
Med-Low
Low
1470
1340
1185
1015
1415
1305
1175
1010
1340
1245
1140
980
1270
1185
1075
955
1205
1130
1030
910
1115
1045
950
840
985
915
835
725
845
780
705
600
100-16
Bottom or
1 Side
High
Med-High
Med-Low
Low
1880
1660
1455
1265
1815
1615
1410
1265
1745
1570
1375
1240
1690
1505
1350
1210
1575
1435
1290
1180
1500
1355
1235
1110
1400
1260
1145
995
1265
1170
985
855
100-20
Bottom
Only
High
Med-High
Med
Med-Low
Low
2485
2165
1785
1465
1220
2480
2135
1800
1460
1215
2405
2105
1785
1470
1210
2330
2055
1760
1460
1195
2250
1995
1725
1425
1180
2155
1915
1665
1385
1150
2025
1830
1600
1330
1095
1905
1735
1490
1255
1020
Both Sides or
1 Side and Bottom
High
Med-High
—
2145
2465
2145
2420
2135
2355
2090
2265
2025
2165
1955
2065
1870
1940
1780
1 Side Only
High
Med-High
2410
2140
2345
2100
2275
2050
2185
1985
2095
1920
1995
1835
1875
1740
1760
1635
120-16
Bottom or
1 Side
High
Med-High
Med-Low
Low
1900
1695
1460
1275
1845
1645
1415
1260
1780
1580
1375
1245
1705
1520
1340
1230
1620
1460
1290
1180
1530
1385
1205
1135
1445
1280
1110
—
1320
1155
—
—
120-20
Bottom
Only
High
Med-High
Med-Low
Low
—
2110
1790
1495
2260
2070
1775
1500
2185
2015
1755
1515
2085
1960
1720
1485
2025
1885
1670
1450
1935
1810
1610
1400
1835
1715
1535
1345
1730
1620
1455
1270
Both Sides or
1 Side and Bottom
High
Med-High
2425
2055
2360
2035
2275
1995
2195
1945
2095
1880
2010
1810
1890
1735
1775
1640
1 Side Only
High
Med-High
2245
2050
2175
1985
2070
1925
1980
1850
1900
1765
1805
1690
1695
1585
1575
1480
135-20
Bottom
Only
High
Med-High
Med-Low
Low
—
—
1790
1520
2300
2050
1770
1525
2235
2005
1740
1505
2155
1945
1710
1485
2055
1880
1635
1450
1980
1805
1580
1410
1870
1720
1520
1350
1775
1640
1440
1290
Both Sides or
1 Side and Bottom
High
Med-High
2405
2090
2385
2090
2310
2040
2220
1990
2140
1925
2045
1850
1945
1765
1825
1660
1 Side Only
High
Med-High
2325
2085
2260
2045
2175
1985
2085
1920
2000
1855
1900
1765
1805
1680
1705
1570
(48 pages)
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