53
✲Indicates both downflow and horizontal units.
Performance 6¼-25 Ton
Data
Table 53-1 Standard Motor & Sheave/Fan Speed (Rpm)
Unit 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn
Tons Model No. Open Open Open Open Open Open Closed
6¼ YC
✲074C,075,086C NA 735 805 875 945 1015 1085
YCD090,091C,D-L,H
7½ YCH090,091C,D-L
NA 722 791 860 929 998 1066
YCH090.091C,D-H NA 923 992 1060 1129 1197 1265
YCD102C/YCH102C NA 725/725 746/746 796/796 845/845 895/895 967/967
8½
YC
✲103C NA 649 701 753 805 857 909
10
YC
✲120B, YC✲120C NA/958 649/1028 696/1081 749/1133 803/1186 856/1210 909/NA
YC
✲121C NA 519 571 623 675 779 N/A
12½
YC
✲150C 706 756 807 857 908 958 NA
YC
✲151C 640 680 720 760 800 840 NA
YC✲180B 679 721 764 806 849 891 NA
15
YC
✲181C 560 600 640 680 720 760 NA
YC✲210C 869 923 978 1032 1087 1141 NA
17½
YC
✲211C 615 659 703 747 791 835 NA
20 YC✲240B, YC✲241C 615 659 703 747 791 835 NA
25 YC
✲300B, YC✲301C 705 742 779 817 854 891 NA
Factory set at 3 turns open.
Table 53-2 Standard Motor & High Static Drive Accessory/Fan Speed (Rpm)
Unit 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn
Tons Model No. Open Open Open Open Open Open Closed
YC✲102C N/A 870 895 945 994 1064 1112
8½,10
YC
✲103C,121C N/A 779 831 883 935 987 1039
12½ YC✲151C 807 857 908 958 1009 1059 NA
15 YC✲180B 806 849 891 934 976 1019 NA
15 YC
✲181B 640 680 720 760 800 840 NA
17½ YC
✲211C 835 879 923 967 1011 1055 NA
20 YC✲240B/241C 835 879 923 967 1011 1055 NA
25 YC
✲300B/301C 816 853 890 928 965 1002 NA
Table 53-3 Oversize Motor & Sheave/Fan Speed (Rpm)
Unit 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn
Tons Model No. Open Open Open Open Open Open Closed
6¼ YC✲074,075,086C NA 840 910 980 1050 1120 1190
YCD090,091C,D-L,H
7½
YCH090,091C,D-L
NA 990 1048 1106 1164 1222 1280
YC✲102C 975 1035 1095 1155 1215 1275 NA
8½,10
YC
✲103C,120B 817 870/877 923/938 975/998 1028/1059 1081 NA
YCD120C 1120 1180 1240 1300 1360 1422 NA
10 YCH120C 1129 1165 1201 1236 1272 1308 NA
YC
✲121C 807 857 908 958 1009 1059 NA
12½ YC✲150C,151C 869 923 978 1032 1087 1141 NA
YC✲180B 806 856 907 957 1008 1058 NA
15
YC
✲181C 705 755 806 856 907 957 NA
17½ YC✲210C 949 1008 1068 1127 1187 1246 NA
YC
✲211C 816 853 890 928 965 1002 NA
20 YC✲240B, YC✲241C 816 853 890 928 965 1002 NA
Table 53-4 Low Static Fan Drive
Unit 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn
Tons Model No. Open Open Open Open Open Open Closed
17½ YC✲210C 705 755 806 856 907 957 NA
25 YC
✲300B,301C 594 631 668 705 742 779 NA