RT-SVX36G-EN
127
Unit Start Up
Table 41. 20-89 tons - modulating 100% exhaust fan performance
Cfm
Negative Static Pressure
Nominal Std
0.250
0.500
0.750
1.000
1.250
1.500
1.750
2.000
Tons
(AC/EC)
Air
RPM
BHP
RPM BHP RPM
BHP
RPM
BHP
RPM
BHP RPM BHP RPM
BHP
RPM
BHP
20/24
4000
399
0.38
538
0.75
640
1.08
730
1.45
811
1.87
882
2.34
947
2.88
6000
453
0.74
570
1.17
675
1.65
765
2.22
845
2.78
8000
547
1.59
619
1.81
711
2.48
797
3.01
10000
640
2.79
25/29
4000
399
0.38
538
0.75
640
1.08
730
1.45
811
1.87
822
2.34
947
2.88
1017
3.55
6000
453
0.74
570
1.17
675
1.65
765
2.22
845
2.78
912
3.27
975
3.77
1036
4.30
8000
547
1.59
619
1.81
711
2.48
797
3.01
876
3.66
947
4.40
10000
640
2.79
712
3.25
767
3.48
837
4.26
911
5.04
12000
737
4.44
30/36
4000
399
0.38
538
0.75
640
1.08
730
1.45
811
1.87
882
2.34
947
2.88
1017
3.55
6000
453
0.74
570
1.17
675
1.65
765
2.22
845
2.78
912
3.27
975
3.77
1036
4.30
8000
547
1.59
619
1.81
711
2.48
797
3.01
876
3.66
947
4.40 1013 5.18
1075
5.94
10000
640
2.79
712
3.25
767
3.48
837
4.26
911
5.04
980
5.70 1045 6.46
1106
7.31
12000
737
4.44
806
5.22
860
5.64
905
5.89
956
6.49
14000
837
6.67
40/48
7500
334
0.75
438
1.21
535
1.77
616
2.35
686
2.98
750
3.64
809
4.34
864
5.06
9000
362
1.09
449
1.57
536
2.16
618
2.84
689
3.52
753
4.24
812
4.99
867
5.77
12000
435
2.19
496
2.70
563
3.35
628
4.04
693
4.83
757
5.71
817
6.63
873
8.53
14000
486
3.22
542
3.86
594
4.47
653
5.25
707
6.04
763
6.91
819
7.86
874
8.89
16000
537
4.55
592
5.35
636
6.00
683
6.74
735
7.64
783
8.53
831
9.47
880
10.48
50/55/59
9000
362
1.09
449
1.57
536
2.16
618
2.84
689
3.52
753
4.24
812
4.99
867
5.77
12000
435
2.19
496
2.70
563
3.35
628
4.04
693
4.83
757
5.71
817
6.63
873
7.53
15000
511
3.85
567
4.56
614
5.18
667
5.96
720
6.80
771
7.66
824
8.60
876
9.63
18000
590
6.21
642
7.16
685
7.97
724
8.69
766
9.54
812 10.54
856
11.55
898
12.56
20000
644
8.26
692
9.35
735
10.33
772
11.17
807
11.97
844 12.91
885
14.00
926
15.13
60/73
12000
351
1.49
423
2.09
502
3.00
572
4.02
634
5.07
690
6.09
740
7.04
784
7.91
15000
412
2.68
460
3.15
521
3.96
585
5.02
646
6.24
702
7.53
754
8.83
801
10.14
18000
478
4.41
516
4.88
557
5.54
607
6.49
662
7.66
715
9.01
766
10.48
814
12.01
21000
547
6.75
578
7.36
612
7.92
647
8.71
688
9.77
735 11.03
781
12.46
827
14.03
24000
617
9.83
644
10.59
672
11.22
702
11.88
732
12.77
766 13.89
805
15.22
846
16.72
27000
688
15.11
711
15.09
736
15.45
761
16.18
788
17.02
815 17.92
844
18.99
876
20.31
70/75
80/89
12000
351
1.49
423
2.09
502
3.00
572
4.02
634
5.07
690
6.09
740
7.04
784
7.91
15000
412
2.68
460
3.15
521
3.96
585
5.02
646
6.24
702
7.53
754
8.83
801
10.14
18000
478
4.41
516
4.88
557
5.54
607
6.49
662
7.66
715
9.01
766
10.48
814
12.01
21000
547
6.75
578
7.36
612
7.92
647
8.71
688
9.77
735 11.03
781
12.46
827
14.03
24000
617
9.83
644
10.59
672
11.22
702
11.88
732
12.77
766 13.89
805
15.22
846
16.72
27000
688
15.11
711
15.09
736
15.45
761
16.18
788
17.02
815 17.92
844
18.99
876
20.31
Note:
Shaded areas indicate non-standard drive selections. These drive selections must be manually factory selected.
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