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Table 16 — Fan Performance — 48/50N 90-150 Nominal Ton Units Standard Power Exhaust Fan Data
AIRFLOW
(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
5,000
238
0.34
307
0.55
363
0.76
410
0.98
453
1.21
7,000
272
0.66
335
0.95
388
1.24
433
1.53
474
1.83
9,000
311
1.17
368
1.54
417
1.91
461
2.28
500
2.65
11,000
354
1.90
406
2.36
451
2.82
492
3.27
529
3.72
13,000
399
2.91
446
3.47
488
4.01
526
4.55
561
5.08
15,000
446
4.26
488
4.90
527
5.54
563
6.16
596
6.78
16,000
469
5.07
510
5.76
547
6.44
582
7.11
615
7.78
18,000
518
7.01
555
7.80
590
8.57
622
9.33
653
10.08
20,000
567
9.41
602
10.29
634
11.15
664
12.01
693
12.85
22,000
617
12.32
649
13.29
679
14.25
708
15.19
735
16.13
24,000
667
15.79
697
16.85
725
17.90
752
18.93
778
19.97
25,000
693
17.75
721
18.86
749
19.96
775
21.04
800
22.11
26,000
718
19.87
746
21.03
772
22.17
798
23.30
822
24.42
27,000
744
22.16
770
23.36
796
24.55
821
25.72
845
26.89
28,000
769
24.62
795
25.87
820
27.10
844
28.32
867
29.54
AIRFLOW
(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
5,000
492
1.45
528
1.70
561
1.95
593
2.21
623
2.48
7,000
512
2.13
547
2.44
580
2.75
611
3.07
640
3.40
9,000
536
3.02
570
3.40
602
3.78
632
4.16
661
4.55
11,000
564
4.17
596
4.62
627
5.07
656
5.53
684
5.99
13,000
594
5.61
626
6.14
655
6.67
684
7.21
711
7.74
15,000
628
7.40
658
8.01
686
8.63
713
9.24
740
9.85
16,000
645
8.44
675
9.09
703
9.75
729
10.40
755
11.06
18,000
682
10.83
710
11.57
737
12.32
762
13.05
787
13.79
20,000
721
13.69
747
14.52
773
15.35
798
16.17
822
16.99
22,000
761
17.06
787
17.98
811
18.90
835
19.81
858
20.72
24,000
803
20.99
827
21.99
850
23.01
873
24.01
895
25.01
25,000
824
23.18
848
24.24
871
25.29
893
26.34
915
27.38
26,000
846
25.53
869
26.64
891
27.73
913
28.83
934
29.92
27,000
868
28.05
890
29.20
912
30.35
933
31.48
954
32.62
28,000
890
30.74
912
31.94
933
33.13
954
34.31
974
35.49
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2
2.4
2.6
2.8
3.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
5,000
651
2.76
678
3.04
704
3.32
730
3.62
754
3.92
7,000
668
3.73
695
4.06
721
4.41
746
4.76
770
5.11
9,000
688
4.95
714
5.35
740
5.75
764
6.16
788
6.57
11,000
711
6.45
737
6.92
762
7.39
786
7.86
809
8.34
13,000
737
8.28
762
8.82
786
9.36
809
9.90
832
10.45
15,000
765
10.47
789
11.08
813
11.70
836
12.32
858
12.94
16,000
780
11.71
804
12.36
827
13.02
850
13.68
871
14.33
18,000
811
14.52
834
15.26
857
16.00
879
16.73
900
17.47
20,000
845
17.81
867
18.63
889
19.45
910
20.27
931
21.08
22,000
880
21.62
902
22.53
923
23.43
943
24.33
963
25.23
24,000
917
26.00
938
27.00
958
27.98
978
28.97
998
29.96
25,000
936
28.42
956
29.45
976
30.49
996
31.52
1015
32.55
26,000
955
31.00
975
32.08
995
33.16
1014
34.23
1033
35.30
27,000
974
33.74
994
34.87
1014
35.99
1033
37.11
1051
38.22
28,000
994
36.66
1014
37.83
1033
39.00
1052
40.16
1070
41.32
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.2
3.4
3.6
3.8
4.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
5,000
778
4.22
800
4.54
823
4.85
844
5.18
865
5.50
7,000
793
5.47
816
5.83
838
6.20
859
6.58
880
6.96
9,000
811
6.99
833
7.42
855
7.84
876
8.28
897
8.71
11,000
831
8.82
853
9.31
875
9.80
896
10.29
916
10.79
13,000
854
11.00
876
11.55
897
12.11
917
12.67
937
13.23
15,000
879
13.56
901
14.18
921
14.81
941
15.44
961
16.07
16,000
893
14.99
914
15.66
934
16.32
954
16.98
973
17.65
18,000
921
18.20
941
18.94
961
19.68
981
20.42
1000
21.16
20,000
951
21.90
971
22.72
990
23.54
1009
24.35
1028
25.17
22,000
983
26.13
1002
27.03
1021
27.93
1040
28.82
1058
29.73
24,000
1017
30.94
1035
31.92
1054
32.90
1072
33.88
1089
34.86
25,000
1034
33.57
1052
34.60
1071
35.62
1088
36.65
1106
37.66
26,000
1052
36.37
1070
37.44
1088
38.50
1105
39.57
1122
40.63
27,000
1070
39.34
1088
40.45
1105
41.56
1122
42.67
1139
43.77
28,000
1088
42.48
1106
43.64
1123
44.78
1140
45.94
1157
47.09
Содержание WeatherExpert 48N2
Страница 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Страница 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Страница 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Страница 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Страница 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Страница 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Страница 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Страница 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Страница 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Страница 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Страница 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Страница 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Страница 168: ...168 Fig 47 Sensor and Ignition Position Fig 48 Combustion Blower Details SENSOR DETAILS IGNITION DETAILS ...
Страница 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...