Carrier 48TC D28 Series - Page 80

80
APPENDIX III. FAN PERFORMANCE (cont)
Table 36 – Pulley Adjustment − Vertical
Fan RPM at Motor Pulley Settings
MODEL
SIZE
Motor/Drive Combo
Motor Pulley Turns Open
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
17
3
Phase
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
3
Phase
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
3
Phase
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
3
Phase
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
30
3
Phase
Standard Static 954 934 913 893 873 853 832 812 792 771 751
Medium Static 1175 1155 1135 1114 1094 1074 1054 1034 1013 993 973
High Static 1299 1271 1242 1214 1185 1157 1129 1100 1072 1043 1015
NOTE: Do not adjust pulley further than 5 turns open.
- Factory settings
Table 37 – Pulley Adjustment − Horizontal
Fan RPM at Motor Pulley Settings
MODEL
SIZE
Motor/Drive Combo
Motor Pulley Turns Open
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
18
3
Phase
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
21
3
Phase
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 1021 1002 984 965 947 928 909 891 872 854 835
25
3
Phase
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
29
3
Phase
*Standard Static 791 777 762 748 733 719 705 690 676 661 647
Medium Static 923 906 889 873 856 839 822 805 789 772 755
High Static 1107 1087 1067 1047 1027 1007 986 986 946 926 906
30
3
Phase
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
High Static N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
NOTE: Do not adjust pulley further than 5 turns open.
- Factory settings
* Standard Static drive only for 50 series; 48 series uses a field supplied drive