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FEM4X, FEM4P, REM4X, REM4P: Installation Instructions
Model
FXM4X1800
FXM4X2400
FXM4X3000
FXM4X3600
FXM4X4200
FXM4X4800
FXM4X6000
- Airflow outside 450 cfm/ton.
Notes:
1.Airflow based upon dry coil at 230v with factory approved filter and electric heater (2 element heater sizes 1800 through 3600, 3 element heater sizes 4200 through 6000).
2.Airflow at 208 volts is approximately the same as 230 volts because the ECM motor is a constant torque motor. The torque doesn't drop off at the speeds the motor operates.
3.To avoid potential for condensate blowing out of drain pan prior to making drain trap: Return static pressure must be less than 0.40 in. wc. Horizontal applications of 4200 - 6000 sizes must
have supply static greater than 0.20 in. wc.
4.Airflow above 400 cfm/ton on 4800 - 6000 size could result in condensate blowing off coil or splashing out of drain pan.
5.Not recommended for use above 0.60 inches water column external static pressure.
6.Shading - Airflow outside 450 cfm/ton.
© 2022 Carrier. All rights reserved.
A Carrier Company
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 7 – FXM Airflow Performance - CFM at a Given Speed and Static Reading
Blower Speed
0.10
Tap 5
776
Tap 4
683
Tap 3
683
Tap 2
631
Tap 1
625
Tap 5
956
Tap 4
825
Tap 3
825
Tap 2
726
Tap 1
631
Tap 5
1189
Tap 4
1041
Tap 3
1041
Tap 2
924
Tap 1
779
Tap 5
1363
Tap 4
1237
Tap 3
1237
Tap 2
1095
Tap 1
1014
Tap 5
1519
Tap 4
1437
Tap 3
1437
Tap 2
1257
Tap 1
1237
Tap 5
1757
Tap 4
1664
Tap 3
1664
Tap 2
1459
Tap 1
1301
Tap 5
2030
Tap 4
1811
Tap 3
1811
Tap 2
1665
Tap 1
1462
Measured Static Pressure, inlet to outlet (inches water column)
0.20
0.30
745
696
644
589
644
589
563
500
524
457
920
891
795
757
795
757
695
635
563
500
1151
1104
998
944
998
944
876
817
693
628
1332
1294
1206
1160
1206
1160
1058
1007
885
773
1490
1454
1403
1366
1403
1366
1226
1191
1206
1160
1725
1693
1626
1593
1626
1593
1420
1379
1241
1195
1995
1961
1775
1740
1775
1740
1632
1593
1418
1371
Edition Date: 11/22
12
0.40
0.50
660
609
548
494
548
494
443
409
417
367
851
816
722
674
722
674
598
543
443
409
1050
1003
886
837
886
837
752
704
571
526
1253
1207
1121
1070
1121
1070
951
888
673
609
1419
1379
1333
1294
1333
1294
1141
1090
1121
1070
1653
1614
1552
1517
1552
1517
1336
1298
1150
1102
1927
1888
1703
1664
1703
1664
1556
1507
1327
1278
Catalog No: IM-FEM-REM-03
Replaces: 496 01 5503 02
0.60
572
461
461
361
319
780
634
634
509
361
959
772
772
660
476
1157
1013
1013
824
549
1332
1245
1245
1033
1013
1576
1477
1477
1259
1039
1842
1613
1613
1453
1228
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