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55
APPENDIX V. FAN PERFORMANCE (cont.)
Table 22. – 50TCQD24
20 TON VERTICAL 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
519
1.13
609
1.48
6.82
1.80
747
2.13
806
2.46
6500
545
1.36
633
1.75
705
2.11
768
2.46
826
2.82
7000
571
1.63
658
2.06
728
2.45
791
2.83
847
3.21
7500
597
1.93
683
2.40
753
2.83
814
3.24
869
3.65
8000
624
2.27
709
2.78
777
3.25
837
3.69
892
4.13
8500
650
2.64
734
3.20
802
3.71
861
4.19
915
4.66
9000
677
3.05
760
3.67
827
4.21
886
4.73
939
5.23
9500
703
3.50
786
4.17
853
4.76
910
5.31
963
5.85
10000
730
3.99
813
4.73
878
5.36
935
5.95
987
6.52
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
861
2.80
912
3.15
962
3.50
1008
3.86
1053
4.23
6500
880
3.18
930
3.55
978
3.92
1024
4.30
1068
4.69
7000
900
3.60
949
3.99
996
4.38
1041
4.78
1085
5.19
7500
921
4.06
969
4.47
1016
4.89
1060
5.31
1102
5.74
8000
943
4.57
990
5.00
1036
5.44
1079
5.89
1121
6.34
8500
965
5.12
1012
5.58
1056
6.05
1099
6.52
1140
6.99
9000
988
5.72
1034
6.21
1078
6.70
1120
7.19
1160
7.69
9500
1011
6.37
1057
6.89
1100
7.41
1141
7.93
1181
8.45
10000
1035
7.07
1080
7.62
1123
8.17
1163
8.72
--- --- --- ---
--- --- --- ---
Std Static Motor and Drive --- 690---863 RPM, Max BHP 4.9
Med Static Motor and Drive --- 835---1021 RPM, Max BHP 6.5/6.9/7.0/8.3
High Static Motor and Drive --- 941---1176 RPM,
Max BHP 10.5/11.9/11.9/11.0
--- --- --- --- Outside operating range
Boldface
--- requires alternate static drive package
ITALIC
---
requires high static drive package with different motor pulley
Table 23. – 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 Motor and Drive --- 690---863 RPM, Max BHP 6.5
--- --- --- ---Outside operating range
Med Static Motor & Drive–835–1021 RPM, Max BHP 6.5/6.9/7.0/8.3;
Voltage 208V / 230V / 460V / 575V
Underscore --- Field supplied drive changes with std static motor
req’d: blower pulley KR51BN615 and belt KR29BF052 (598---731)
High Static Motor and Drive – 941 – 1100 RPM,
Max BHP 10.5 /11.9 /11.9 /11.0; Voltage 208V / 230V / 460V / 575V
Boldface
--- Units exceeding max BHP of unit voltage a field suppli-
er drive changes with high static required with blower pulley
KR51BL017 (805---1007)