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APPENDIX C — START−UP DATA
Fan Performance — 48PGD03 Vertical Units
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
600
407 0.05 551 0.10 663 0.15 759 0.21 843 0.27
650
413 0.06 555 0.11 667 0.17 763 0.22 847 0.29
700
419 0.06 560 0.12 671 0.18 766 0.24 851 0.30
750
425 0.07 565 0.13 676 0.19 770 0.25 854 0.32
800
433 0.08 570 0.14 680 0.20 774 0.27 858 0.34
850
440 0.08 575 0.15 685 0.22 779 0.29 862 0.36
900
448 0.09 581 0.16 690 0.23 783 0.30 866 0.38
950
456 0.10 587 0.17 695 0.24 788 0.32 871 0.40
1000
465 0.11 594 0.18 700 0.26 792 0.34 875 0.42
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
600
920 0.33 990 0.40 1056 0.47 1117 0.54 1176 0.62
650
923 0.35 994 0.42 1059 0.49 1121 0.57 1179 0.65
700
927 0.37 997 0.44 1063 0.52 1124 0.60 1182 0.68
750
931 0.39 1001 0.47 1066 0.54 1128 0.62 1186 0.71
800
934 0.41 1004 0.49 1070 0.57 1131 0.65 1189 0.74
850
938 0.44 1008 0.52 1073 0.60 1135 0.68 1193 0.77
900
942 0.46 1012 0.54 1077 0.63 1138 0.71 1196 0.80
950
946 0.48 1016 0.57 1081 0.65 1142 0.74 1200 0.83
1000
950 0.51 1020 0.59 1085 0.68 1146 0.78 1204 0.87
LEGEND
Bhp - Brake Horsepower
NOTES:
1. Motor drive range is 482 to 736 rpm for low range motor/drive and 656 to 1001 rpm
for high range motor/drive. All other rpms require a field‐supplied drive.
2. Maximum continuous bhp is 0.85 for low range motor/drive and 0.85 for high range
motor/drive.
3. See General Fan Performance Notes.
Fan Performance — 48PGD04 Vertical Units
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
900
448 0.09 581 0.16 690 0.23 783 0.30 866 0.38
950
456 0.10 587 0.17 695 0.24 788 0.32 871 0.40
1000
465 0.11 594 0.18 700 0.26 792 0.34 875 0.42
1050
474 0.12 600 0.20 706 0.27 797 0.36 880 0.44
1100
483 0.13 607 0.21 711 0.29 803 0.38 884 0.46
1150
493 0.14 614 0.22 717 0.31 808 0.40 889 0.49
1200
503 0.16 622 0.24 724 0.33 813 0.42 894 0.51
1250
513 0.17 630 0.25 730 0.34 819 0.44 899 0.54
1300
524 0.19 638 0.27 737 0.36 825 0.46 905 0.56
1350
535 0.20 646 0.29 744 0.38 831 0.48 910 0.59
1400
546 0.22 655 0.31 751 0.41 837 0.51 916 0.61
1450
557 0.24 664 0.33 759 0.43 844 0.53 922 0.64
1500
569 0.25 673 0.35 766 0.45 851 0.56 928 0.67
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
900
942 0.46 1012 0.54 1077 0.63 1138 0.71 1196 0.80
950
946 0.48 1016 0.57 1081 0.65 1142 0.74 1200 0.83
1000
950 0.51 1020 0.59 1085 0.68 1146 0.78 - -
1050
955 0.53 1024 0.62 1089 0.71 1150 0.81 - -
1100
959 0.56 1028 0.65 1093 0.74 1154 0.84 - -
1150
963 0.58 1032 0.68 1097 0.78 - - - -
1200
968 0.61 1037 0.71 1101 0.81 - - - -
1250
973 0.64 1041 0.74 1105 0.84 - - - -
1300
978 0.66 1046 0.77 - - - - - -
1350
983 0.69 1051 0.80 - - - - - -
1400
988 0.72 1056 0.83 - - - - - -
1450
994 0.75 - - - - - - - -
1500
1000 0.79 - - - - - - - -
LEGEND
Bhp - Brake Horsepower
NOTES:
1. Motor drive range is 482 to 736 rpm for low range motor/drive and 796 to 1128 rpm
for high range motor/drive. All other rpms require a field‐supplied drive.
2. Maximum continuous bhp is 0.85 for low range motor/drive and 0.85 for high range
motor/drive.
3. See General Fan Performance Notes.
48/50PG and PM