Carrier 50TCQ 04 Series Service And Maintenance Instructions page 61

Single package heat pump/electric heat
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TABLE 38 – PULLEY ADJUSTMENT − BELT DRIVE
MOTOR/DRIVE
UNIT
COMBO
Medium Static
1251
04
High Static
1466
Medium Static
1303
05
High Static
1466
Medium Static
1380
06
High Static
1639
Standard Static
1192
Medium Static
1380
07
High Static
1639
Standard Static
Medium Static
08
High Static
1084
Standard Static
Medium Static
09
High Static
1084
Standard Static
Medium Static
12
High Static
1084
Standard Static
14
Medium Static
High Static
NOTE: Do not adjust pulley further than 5 turns open.
- Factory settings
* Do not set motor pulley above 5 turns open for A or AX section belts
** Do not set motor pulley below 1 turn open for B or BX section belts
APPENDIX III. FAN PERFORMANCE (CONT)
MOTOR PULLEY TURNS OPEN
0
0.5
1
1.5
1208
1165
1121
1423
1380
1337
1265
1226
1188
1423
1380
1337
1349
1317
1286
1596
1553
1510
1161
1129
1098
1349
1317
1286
1596
1553
1510
652
633
614
594
838
813
789
764
1059
1035
1010
652
633
614
594
838
813
789
764
1059
1035
1010
652
633
614
594
838
813
789
764
1059
1035
1010
676
659
642
625
**
**
833
813
**
**
971
953
2
2.5
3
3.5
1078
1035
992
949
1294
1251
1207
1164
1150
1112
1073
1035
1294
1251
1207
1164
1254
1223
1192
1160
1467
1424
1380
1337
1066
1035
1004
972
1254
1223
1192
1160
1467
1424
1380
1337
575
556
537
518
739
715
690
665
986
961
936
912
575
556
537
518
739
715
690
665
986
961
936
912
575
556
537
518
739
715
690
665
986
961
936
912
608
592
575
558
793
773
753
734
935
917
899
882
61
4
4.5
5
5.5
905
862
819
-
1121
1078
1035
-
997
958
920
-
1121
1078
1035
-
1129
1097
1066
-
1294
1251
1208
-
941
909
878
-
1129
1097
1066
-
1294
1251
1208
-
498
479
460
-
640
616
591
-
887
863
838
-
498
479
460
-
640
616
591
-
887
863
838
-
498
479
460
-
640
616
591
-
887
863
838
-
541
524
507
*
714
694
674
654
864
846
828
810
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
*
634
792

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