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66
LEGEND
NOTE: Do not adjust pulley further than five turns open.
NOTE: Do not adjust pulley further than five turns open.
Table E — 50TCQD24 — 20 TON HORIZONTAL SUPPLY/RETURN
CFM
AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)
0.2
0.4
0.6
0.8
1.0
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
6000
580
2.04
643
2.61
702
3.22
756
3.88
806
4.58
6500
617
2.49
677
3.09
733
3.74
785
4.44
833
5.17
7000
656
3.01
712
3.65
765
4.33
815
5.06
862
5.82
7500
694
3.60
748
4.28
798
5.00
846
5.76
891
6.55
8000
733
4.28
784
4.99
832
5.74
878
6.53
922
7.36
8500
773
5.04
821
5.78
867
6.57
911
7.40
953
8.26
9000
813
5.89
859
6.67
902
7.49
945
8.35
985
9.25
9500
853
6.83
896
7.65
939
8.51
979
9.40
1018
10.33
10000
893
7.88
935
8.73
975
9.63
—
—
—
—
CFM
AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)
1.2
1.4
1.6
1.8
2.0
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
6000
853
5.31
897
6.06
939
6.84
979
7.64
1017
8.47
6500
879
5.93
922
6.71
963
7.52
1002
8.36
1040
9.22
7000
906
6.61
948
7.43
988
8.28
1027
9.15
1064
10.05
7500
934
7.38
975
8.23
1015
9.11
1052
10.02
—
—
8000
963
8.22
1003
9.11
1042
10.02
—
—
—
—
8500
993
9.15
1032
10.07
—
—
—
—
—
—
9000
1024
10.17
—
—
—
—
—
—
—
—
9500
—
—
—
—
—
—
—
—
—
—
10000
—
—
—
—
—
—
—
—
—
—
— STD Static - 690-863 RPM; Voltage 208v / 230v / 460v / 575v; Max BHP 6.5 / 6.9 / 7.0 / 8.3
— MED Static – 835-1021 RPM; Voltage 208v / 230v / 460v / 575v; Max BHP 6.5 / 6.9 / 7.0 / 8.3
— HIGH Static – 941-1176 RPM; Voltage 208v / 230v / 460v / 575v ;Max BHP 10.5 / 11.9 / 11.9 / 11.0
—
— Outside operating range
BOLD
— Units exceeding Max BHP of unit voltage require a field supplied drive; changes with high static require blower pulley KR51BL017
(805-1007)
Underscore
— Field supplied drive changes with standard motor required: blower pulley KR51BN615 and belt KR29BF052 (598-731)
Table F —
Pulley Adjustment - Vertical Airflow
UNIT
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
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
Factory setting
Table G —
Pulley Adjustment - Horizontal Airflow
UNIT
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
780
763
747
730
714
697
680
664
647
631
614
High Static
912
895
879
862
846
829
812
796
779
763
746
24
3 phase
Standard Static
—
—
—
—
—
—
—
—
—
—
—
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
Factory setting
APPENDIX C
—
FAN PERFORMANCE
Summary of Contents for WeatherMaker 50TCQ 17-24 Series
Page 35: ...35 Fig 53 RTU Open Overlay for Economizer Wiring ...
Page 36: ...36 Fig 54 VFD Overlay for W2770 Controller Wiring ...
Page 68: ...68 Fig B 50TCQD17 24 Control Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Page 69: ...69 Fig C 50TCQD17 24 Power Wiring Diagram 208 230 3 60 Units APPENDIX D WIRING DIAGRAMS ...
Page 70: ...70 Fig D 50TCQD17 24 Power Wiring Diagram 460 3 60 575 3 60 Units APPENDIX D WIRING DIAGRAMS ...
Page 71: ...71 Fig E RTU Open Overlay APPENDIX D WIRING DIAGRAMS ...
Page 72: ...72 Fig F PremierLink Overlay APPENDIX D WIRING DIAGRAMS ...