81
Table Q — Pulley Adjustment Vertical
Table R — Pulley Adjustment Horizontal
UNIT
SIZE
MOTOR/DRIVE
COMBO
MOTOR PULLEY TURNS OPEN (RPM)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
14
Standard Static
N/A
N/A
676
658
640
623
605
587
569
551
534
516
498
Medium Static
N/A
N/A
861
843
825
807
789
772
754
736
718
700
682
High Static
963
948
933
918
903
888
873
857
842
827
812
797
782
Ultra High Static
1113
1098
1083
1068
1053
1038
1023
1008
993
978
963
948
933
17
Standard Static
N/A
N/A
676
658
640
623
605
587
569
551
534
516
498
Medium Static
818
804
790
776
762
748
735
721
707
693
679
665
651
High Static
970
956
942
929
915
901
887
873
859
846
832
818
804
Ultra High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
20
Standard Static
N/A
N/A
753
733
713
694
674
654
634
614
595
575
555
Medium Static
888
873
858
843
828
813
798
782
767
752
737
722
707
High Static
1053
1038
1023
1008
993
978
963
947
932
917
902
887
872
Ultra High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
24
Standard Static
717
706
695
684
672
661
650
639
628
617
605
594
583
Medium Static
888
873
858
843
828
813
798
782
767
752
737
722
707
High Static
1053
1038
1023
1008
993
978
963
947
932
917
902
887
872
Ultra High Static
1291
1271
1251
1231
1210
1190
1170
1150
1130
1110
1089
1069
1049
26
Standard Static
818
804
790
776
762
748
735
721
707
693
679
665
651
Medium Static
970
956
942
929
915
901
887
873
859
846
832
818
804
High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
Factory setting
UNIT
SIZE
MOTOR/DRIVE
COMBO
MOTOR PULLEY TURNS OPEN (RPM)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
14
Standard Static
N/A
N/A
676
658
640
623
605
587
569
551
534
516
498
Medium Static
808
794
781
767
753
740
726
712
699
685
671
658
644
High Static
888
873
858
843
828
813
798
782
767
752
737
722
707
Ultra High Static
1053
1038
1023
1008
993
978
963
947
932
917
902
887
872
17
Standard Static
N/A
N/A
676
658
640
623
605
587
569
551
534
516
498
Medium Static
818
804
790
776
762
748
735
721
707
693
679
665
651
High Static
970
956
942
929
915
901
887
873
859
846
832
818
804
Ultra High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
20
Standard Static
N/A
N/A
753
733
713
694
674
654
634
614
595
575
555
Medium Static
818
804
790
776
762
748
735
721
707
693
679
665
651
High Static
970
956
942
929
915
901
887
873
859
846
832
818
804
Ultra High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
24
Standard Static
717
706
695
684
672
661
650
639
628
617
605
594
583
Medium Static
888
873
858
843
828
813
798
782
767
752
737
722
707
High Static
1053
1038
1023
1008
993
978
963
947
932
917
902
887
872
Ultra High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
26
Standard Static
888
873
858
843
828
813
798
782
767
752
737
722
707
Medium Static
1026
1012
998
984
970
956
943
929
915
901
887
873
859
High Static
1190
1170
1150
1130
1109
1089
1069
1049
1029
1009
988
968
948
Factory setting
APPENDIX C — FAN PERFORMANCE
Summary of Contents for 50LC 14
Page 26: ...26 Fig 34 50LC 14 26 Control Wiring Diagram...
Page 27: ...27 Fig 35 50LC 14 26 RTU Open Control Wiring Diagram...
Page 28: ...28 Fig 36 50LC 14 20 208 230V 3 Phase Power Wiring Diagram...
Page 29: ...29 Fig 37 50LC 24 26 208 230V 3 Phase Power Wiring Diagram...
Page 30: ...30 Fig 38 50LC 14 26 460V 575V 3 Phase Power Wiring Diagram...