66832-UIM-D-1205
Unitary Products Group
27
Input / Output / CFM / Cabinet Width (A=14-1/2, B=17-1/2, C=21, D=24-1/2)
Motor voltage is 115VAC.
TABLE 18: Blower Performance - CFM
UPFLOW, SINGLE SIDE RETURN (WITHOUT FILTER)
BTU/H (kW)
Input / Output
Cabinet
Size
Speed
Tap
EXTERNAL STATIC PRESSURE, INCHES WC (kPa)
0.1 (0.025)
0.2 (0.050)
0.3 (0.075)
0.4 (0.099)
0.5 (0.124)
0.6 (0.149)
0.7 (0.174)
0.8 (0.199)
cfm cm/m
cfm cm/m
cfm cm/m
cfm cm/m
cfm cm/m
cfm cm/m
cfm cm/m
cfm cm/m
50/40 (14.7/11.7)
1
B
High
1411
40.0
1360
38.5
1289
36.5
1218
34.5
1154
32.7
1075
30.4
983
27.8
882
25.0
Med
1213
34.3
1177
33.3
1134
32.1
1085
30.7
1022
28.9
960
27.2
880
24.9
782
22.1
Low
887
25.1
884
25.0
871
24.7
848
24.0
814
23.0
775
21.9
726
20.6
656
18.6
75/60 (22.0/17.6)
1
B
High
1535
43.5
1470
41.6
1408
39.9
1343
38.0
1275
36.1
1202
34.0
1115
31.6
1014
28.7
Med
1215
34.4
1199
34.0
1182
33.5
1151
32.6
1106
31.3
1039
29.4
976
27.6
887
25.1
Low
875
24.8
874
24.7
864
24.5
847
24.0
827
23.4
799
22.6
736
20.8
658
18.6
75/60 (22.0/17.6)
1
C
High
1792
50.7
1724
48.8
1630
46.2
1552
43.9
1462
41.4
1367
38.7
1264
35.8
1152
32.6
Med
1597
45.2
1555
44.0
1496
42.4
1444
40.9
1372
38.9
1287
36.4
1190
33.7
1086
30.8
Low
1115
31.6
1140
32.3
1167
33.0
1183
33.5
1149
32.5
1093
31.0
1023
29.0
939
26.6
100/80 (29.3/23.4)
1
C
High
1868
52.9
1781
50.4
1690
47.9
1600
45.3
1498
42.4
1396
39.5
1277
36.2
1156
32.7
Med
1602
45.4
1553
44.0
1503
42.6
1447
41.0
1376
39.0
1287
36.4
1181
33.4
1060
30.0
Low
1147
32.5
1147
32.5
1147
32.5
1147
32.5
1132
32.1
1078
30.5
1009
28.6
918
26.0
100/80 (29.3/23.4)
2
D
High
NOT ALLOWED
Med-High
Med-Low
Low
125/100(36.6/29.3)
3
D
High
Med-High
Med-Low
Low
150/120(44.0/35.2)
2
D
High
Med-High
Med-Low
Low
DUAL RETURN (TWO SIDES OR ONE-SIDE & BOTTOM)
50/40 (14.7/11.7)
1
B
High
1507
42.7
1433
40.6
1371
38.8
1300
36.8
1223
34.6
1132
32.1
1040
29.4
938
26.6
Med
1239
35.1
1215
34.4
1175
33.3
1144
32.4
1085
30.7
1012
28.7
938
26.6
838
23.7
Low
907
25.7
907
25.7
891
25.2
875
24.8
849
24.0
800
22.7
741
21.0
672
19.0
75/60 (22.0/17.6)
1
B
High
1634
46.3
1562
44.2
1484
42.0
1417
40.1
1340
37.9
1238
35.1
1154
32.7
1030
29.2
Med
1243
35.2
1228
34.8
1214
34.4
1184
33.5
1133
32.1
1079
30.6
999
28.3
912
25.8
Low
886
25.1
886
25.1
886
25.1
886
25.1
865
24.5
823
23.3
777
22.0
700
19.8
75/60 (22.0/17.6)
1
C
High
1978
56.0
1896
53.7
1803
51.1
1693
47.9
1589
45.0
1478
41.9
1366
38.7
1235
35.0
Med
1682
47.6
1657
46.9
1606
45.5
1530
43.3
1455
41.2
1366
38.7
1265
35.8
1137
32.2
Low
1235
35.0
1235
35.0
1235
35.0
1235
35.0
1198
33.9
1154
32.7
1083
30.7
987
27.9
100/80 (29.3/23.4)
1
C
High
2122
60.1
2027
57.4
1916
54.3
1821
51.6
1717
48.6
1590
45.0
1462
41.4
1312
37.2
Med
1667
47.2
1696
48.0
1656
46.9
1597
45.2
1523
43.1
1438
40.7
1330
37.7
1191
33.7
Low
1130
32.0
1145
32.4
1177
33.3
1194
33.8
1181
33.4
1146
32.5
1077
30.5
982
27.8
100/80 (29.3/23.4)
2
D
High
2350
66.5
2248
63.7
2129
60.3
2015
57.1
1876
53.1
1745
49.4
1596
45.2
1425
40.4
Med-High
2122
60.1
2018
57.1
1926
54.5
1824
51.6
1722
48.8
1606
45.5
1458
41.3
1311
37.1
Med-Low
1958
55.4
1875
53.1
1782
50.5
1690
47.9
1608
45.5
1491
42.2
1364
38.6
1213
34.3
Low
1820
51.5
1757
49.8
1664
47.1
1594
45.1
1506
42.6
1405
39.8
1287
36.4
1137
32.2
125/100(36.6/29.3)
2
D
High
2483
70.3
2392
67.7
2282
64.6
2161
61.2
2032
57.5
1887
53.4
1739
49.2
1567
44.4
Med-High
2198
62.2
2123
60.1
2039
57.7
1930
54.7
1830
51.8
1708
48.4
1550
43.9
1413
40.0
Med-Low
1999
56.6
1916
54.3
1859
52.6
1778
50.3
1684
47.7
1576
44.6
1451
41.1
1315
37.2
Low
1832
51.9
1775
50.3
1709
48.4
1642
46.5
1556
44.1
1450
41.1
1335
37.8
1209
34.2
150/120(44.0/35.2)
2
D
High
2570
72.8
2462
69.7
2361
66.9
2244
63.5
2128
60.3
1983
56.2
1826
51.7
1655
46.9
Med-High
2205
62.4
2105
59.6
2033
57.6
1952
55.3
1865
52.8
1738
49.2
1617
45.8
1459
41.3
Med-Low
1993
56.4
1931
54.7
1869
52.9
1880
53.2
1708
48.4
1590
45.0
1485
42.1
1330
37.7
Low
1831
51.8
1782
50.5
1722
48.8
1660
47.0
1575
44.6
1477
41.8
1364
38.6
1231
34.9
BOTTOM/END RETURN
50/40 (14.7/11.7)
1
B
High
1419
40.2
1357
38.4
1297
36.7
1212
34.3
1131
32.0
1050
29.7
942
26.7
846
24.0
Med
1221
34.6
1185
33.6
1145
32.4
1092
30.9
1036
29.3
961
27.2
879
24.9
780
22.1
Low
920
26.1
902
25.5
883
25.0
860
24.4
818
23.2
761
21.5
711
20.1
639
18.1
75/60 (22.0/17.6)
1
B
High
1552
43.9
1491
42.2
1420
40.2
1348
38.2
1271
36.0
1185
33.6
1080
30.6
970
27.5
Med
1229
34.8
1237
35.0
1198
33.9
1164
33.0
1105
31.3
1039
29.4
956
27.1
861
24.4
Low
889
25.2
892
25.3
879
24.9
866
24.5
846
24.0
807
22.9
760
21.5
689
19.5
75/60 (22.0/17.6)
1
C
High
1946
55.1
1862
52.7
1775
50.3
1620
45.9
1518
43.0
1409
39.9
1291
36.6
1160
32.8
Med
1683
47.7
1611
45.6
1551
43.9
1484
42.0
1388
39.3
1300
36.8
1190
33.7
1080
30.6
Low
1110
31.4
1138
32.2
1175
33.3
1190
33.7
1175
33.3
1126
31.9
1041
29.5
937
26.5
100/80 (29.3/23.4)
1
C
High
1997
56.5
1920
54.4
1822
51.6
1723
48.8
1620
45.9
1500
42.5
1355
38.4
1211
34.3
Med
1728
48.9
1679
47.5
1635
46.3
1556
44.1
1465
41.5
1359
38.5
1249
35.4
1117
31.6
Low
1131
32.0
1156
32.7
1181
33.4
1190
33.7
1171
33.2
1126
31.9
1049
29.7
926
26.2
100/80 (29.3/23.4)
2
D
High
2327
65.9
2232
63.2
2121
60.1
1999
56.6
1888
53.5
1763
49.9
1628
46.1
1473
41.7
Med-High
2050
58.0
1967
55.7
1868
52.9
1757
49.8
1658
46.9
1525
43.2
1403
39.7
1260
35.7
Med-Low
1911
54.1
1839
52.1
1758
49.8
1675
47.4
1593
45.1
1468
41.6
1340
37.9
1189
33.7
High
1780
50.4
1712
48.5
1642
46.5
1566
44.3
1465
41.5
1366
38.7
1249
35.4
1094
31.0
125/100(36.6/29.3)
2
D
High
2397
67.9
2304
65.2
2192
62.1
2063
58.4
1955
55.4
1822
51.6
1678
47.5
1521
43.1
Med-High
2151
60.9
2063
58.4
1977
56.0
1881
53.3
1774
50.2
1652
46.8
1528
43.3
1377
39.0
Med-Low
1972
55.8
1906
54.0
1838
52.0
1748
49.5
1660
47.0
1551
43.9
1419
40.2
1282
36.3
Low
1845
52.2
1794
50.8
1721
48.7
1646
46.6
1559
44.1
1451
41.1
1344
38.1
1208
34.2
150/120(44.0/35.2)
2
D
High
2488
70.5
2389
67.6
2276
64.4
2151
60.9
2024
57.3
1883
53.3
1730
49.0
1577
44.7
Med-High
2164
61.3
2084
59.0
2024
57.3
1920
54.4
1816
51.4
1692
47.9
1558
44.1
1395
39.5
Med-Low
1998
56.6
1934
54.8
1868
52.9
1773
50.2
1673
47.4
1567
44.4
1445
40.9
1294
36.6
Low
1843
52.2
1793
50.8
1728
48.9
1653
46.8
1553
44.0
1453
41.1
1328
37.6
1192
33.8
1.
Return air is through side opposite motor (left side)
.
2. Airflows above 1800 CFM (50.97 m3/min) require either return from two sides or one side plus bottom
3. Airflows expressed in standard cubic feet per minute (CFM) and in cubic meters per minute (m
3
/min).