74
APPENDIX III. FAN PERFORMANCE (cont.)
TABLE 31 – PULLEY ADJUSTMENT VERTICAL
MODEL
SIZE
MOTOR/DRIVE C OMBO
MOTOR PULLEY TURNS OPEN
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
17
3phase
Standard Static 680 663 647 630 614 597 580 564 547 531 514
Medium Static 863 845 826 808 789 771 753 734 716 697 679
High Static 1009 991 972 954 936 918 899 881 863 844 826
20
3phase
Standard Static 822 802 782 762 742 722 702 682 662 642 622
Medium Static 879 862 846 829 813 796 779 763 746 730 713
High Static 1078 1058 1039 1019 1000 980 960 941 921 902 882
24
3phase
Standard Static 863 846 828 811 794 777 759 742 725 707 690
Medium Static 1021 1002 984 965 947 928 909 891 872 854 835
High Static 1176 1153 1129 1106 1082 1059 1035 1012 988 965 941
28
3phase
Standard Static 911 892 872 853 833 814 795 775 756 736 717
Medium Static 1116 1096 1075 1055 1035 1015 994 974 954 933 913
High Static 1176 1153 1129 1106 1082 1059 1035 1012 988 965 941
NOTE: Do not adjust pulley further than 5 turns open.
--- F a c t o r y s e t t i n g s
TABLE 32 – PULLEY ADJUSTMENT HORIZONTAL
MODEL
SIZE
MOTOR/DRIVE C OMBO
Motor Pulley turns open
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
17
3phase
Standard Static 680 663 647 630 614 597 580 564 547 531 514
Medium Static 780 763 747 730 714 697 680 664 647 631 614
High Static 912 895 879 862 846 829 812 796 779 763 746
20
3phase
Standard Static 822 802 782 762 742 722 702 682 662 642 622
Medium Static 879 862 846 829 813 796 779 763 746 730 713
High Static 1078 1058 1039 1019 1000 980 960 941 921 902 882
24
3phase
Standard Static 863 846 828 811 794 777 759 742 725 707 690
Medium Static 1021 1002 984 965 947 928 909 891 872 854 835
High Static 1176 1153 1129 1106 1082 1059 1035 1012 988 965 941
28
3phase
Standard Static N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Medium Static 923 906 889 873 856 839 822 805 789 772 755
High Static 1010 992 973 955 937 919 900 882 864 845 827
NOTE: Do not adjust pulley further than 5 turns open.
--- F a c t o r y s e t t i n g s
48HC
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