1053681-UIM-B-0514
Johnson Controls Unitary Products
13
TABLE 9:
ELECTRICAL DATA FOR MULTI-SOURCE POWER SUPPLY: 208/230-3-60
Air Handler Models
Heater
Models
Total Heater
Amps
@ 240V
Min. Circuit Ampacity
MOP
1
Min. Wire Size (AWG)
2
208V
230V
208V
230V
208V
230V
Circuit
Circuit
Circuit
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
AHR36B
AHR48D
6HK16502025
46.2
28.8
25.0
32.6
28.9
30
25
35
30
10
10
8
10
AHR60D
6HK16502025
46.2
28.8
25.0
32.6
28.9
30
25
35
30
10
10
8
10
6HK16502525
57.7
35.0
31.3
39.8
36.1
35
35
40
40
8
8
8
8
1. MOP = Maximum Overcurrent Protection device; must be HACR type circuit breaker or time delay fuse.
2. Stated sizes are for 75°C, copper wire only. If wire other than non-plated, 75°C ambient, copper wire is used, consult applicable tables of the NEC and local codes.
3. 1st Circuit includes the blower motor amps.
TABLE 10:
AIR FLOW DATA (CFM)
1
Models
Blower
Motor Speed
External Static Pressure (in. wc.)
0.10
0.20
0.30
0.40
0.50
0.60
0.70
208 Volt
AHR18B
High
1024
1000
970
930
860
810
NA
Medium
756
731
700
670
620
550
NA
Low
557
531
495
445
375
315
195
AHR22B
High
1214
1177
1136
1071
1019
951
828
Medium
705
684
661
592
548
404
266
Low
534
512
460
394
261
167
125
AHR24B
High
995
970
935
900
925
795
645
Medium
820
810
780
745
695
545
485
Low
715
695
640
405
370
375
220
AHR29C
High
1605
1548
1486
1420
1356
1159
913
Medium
981
960
921
815
756
697
614
Low
769
717
654
561
510
451
389
AHR30B
High
1380
1315
1245
1160
1075
990
885
Medium
1060
1040
1005
955
890
860
820
Low
1035
980
910
825
770
685
485
AHR34C
High
1496
1423
1328
1217
1105
1041
942
Medium
976
907
843
815
742
686
582
Low
729
687
647
602
498
447
366
AHR36B
High
1410
1335
1270
1190
1110
990
820
Medium
1215
1170
1115
1050
935
850
740
Low
950
935
895
855
NA
NA
NA
AHR42C
High
1800
1725
1645
1545
1360
1200
1050
Medium
1535
1480
1415
1280
1155
1010
870
Low
1225
1195
1095
1025
925
825
680
AHR48D
High
1890
1830
1755
1650
1565
1450
1285
Medium
1515
1480
1450
1380
1295
1115
985
Low
1170
1165
1140
1100
965
860
745
AHR60D
High
1911
1841
1757
1668
1564
1439
1233
Medium
1556
1507
1450
1388
1266
1246
989
Low
1211
1181
1151
1062
992
911
827
230 Volt
AHR18B
High
1145
1100
1055
1005
930
845
725
Medium
755
750
725
665
605
485
435
Low
680
655
625
585
540
395
300
AHR22B
High
1294
1254
1189
1133
1064
996
907
Medium
803
785
763
729
645
585
422
Low
615
600
566
492
447
284
183
(For notes see page 14)