Carrier 48/50PM C16-28 User Manual
Page 177

177
Fan RPM at Motor Pulley Settings* − 50PM16−28
50PM
DRIVE
MOTOR PULLEY TURNS OPEN
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
1
/
2
6
PM16, 20
and 24
(230 and
460 volt)
Low Range Vertical
685
706
727
749
770
791
812
833
854
876
897
918
939
Mid‐Low Range Vertical
949
970
992
1013
1035
1056
1078
1099
1120
1142
1163
1185
1206
Mid‐High Range Vertical
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Vertical
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
Low Range Horizontal
685
706
727
749
770
791
812
833
854
876
897
918
939
Mid‐Low Range Horizontal
949
970
992
1013
1035
1056
1078
1099
1120
1142
1163
1185
1206
Mid‐High Range Horizontal
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Horizontal
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
PM16, 20
and 24
(575 Volt)
Low Range Vertical
751
768
785
802
819
836
853
869
886
903
920
937
954
Mid‐Low Range Vertical
949
970
992
1013
1035
1056
1078
1099
1120
1142
1163
1185
1206
Mid‐High Range Vertical
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Vertical
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
Low Range Horizontal
751
768
785
802
819
836
853
869
886
903
920
937
954
Mid‐Low Range Horizontal
949
970
992
1013
1035
1056
1078
1099
1120
1142
1163
1185
1206
Mid‐High Range Horizontal
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Horizontal
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
28
(all voltages)
Low Range Vertical
687
703
718
734
749
765
780
796
811
827
842
858
873
Mid‐Low Range Vertical
805
822
839
856
872
889
906
923
940
957
973
990
1007
Mid‐High Range Vertical
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Vertical
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
Low Range Horizontal
687
703
718
734
749
765
780
796
811
827
842
858
873
Mid‐Low Range Horizontal
805
822
839
856
872
889
906
923
940
957
973
990
1007
Mid‐High Range Horizontal
941
961
980
1000
1019
1039
1059
1078
1098
1117
1137
1156
1176
High Range Horizontal
1014
1038
1061
1085
1108
1132
1156
1179
1203
1226
1250
1273
1297
* Approximate fan rpm shown, based on 1725 rpm motor.
NOTE: Factory pulley speed setting is at 3 turns open.
48/50PG and PM