Bryant DURAPAC 551B - Manual (Page 88)

88
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 4.)
2. indicates a high-static motor and drive is required.
3. Maximum continuous bhp is 3.70 for standard motors; 5.25 for high-static motors.
4. Standard motor drive range: 860 to 1080 rpm. High-static motor drive range: 830 to
1130. All other rpms require field-supplied drive.
5. See page 93 for general fan performance notes.
LEGEND
NOTES:
1. Boldface indicates field-supplied drive is required. (See Note 3.)
2. Maximum continuous bhp is 5.25.
3. Standard motor drive range: 900 to 1260 rpm.
4. See page 93 for general fan performance notes.
551B120 (10 TONS) — STANDARD AND HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
3000 459 0.46 625 0.85 691 1.01 734 1.10 787 1.30 829 1.50 886 1.73 943 1.88 988 1.91 995 1.95
3100 478 0.57 637 0.90 702 1.08 744 1.16 796 1.36 837 1.56 892 1.78 947 2.00 995 2.05 1008 2.07
3200 500 0.62 647 0.97 712 1.16 753 1.23 805 1.43 845 1.63 899 1.85 951 2.06 1000 2.17 1021 2.20
3300 519 0.69 658 1.03 721 1.23 762 1.30 814 1.50 853 1.71 907 1.93 959 2.10 1004 2.33 1036 2.36
3400 537 0.77 669 1.10 731 1.30 773 1.38 823 1.57 862 1.78 915 2.01 966 2.17 1009 2.46 1043 2.47
3500 561 0.86 680 1.17 741 1.37 784 1.47 832 1.65 871 1.86 924 2.09 974 2.24 1015 2.51 1054 2.59
3600 592 0.98 692 1.24 751 1.45 796 1.57 841 1.72 880 1.95 933 2.18 983 2.32 1023 2.58 1058 2.70
3700 654 1.12 714 1.31 767 1.50 815 1.67 861 1.85 906 2.08 950 2.27 991 2.47 1030 2.65 1064 2.82
3800 668 1.20 727 1.40 780 1.60 827 1.77 873 1.95 916 2.18 959 2.38 1001 2.58 1040 2.78 1075 2.96
3900 683 1.28 741 1.49 793 1.70 839 1.88 884 2.05 927 2.28 969 2.50 1010 2.70 1049 2.91 1085 3.11
4000 697 1.37 754 1.59 806 1.80 851 1.99 895 2.16 938 2.38 979 2.62 1020 2.83 1059 3.04 1095 3.25
4100 711 1.46 767 1.69 819 1.90 864 2.10 907 2.28 949 2.49 989 2.74 1029 2.96 1068 3.18 1105 3.39
4200 726 1.56 780 1.80 832 2.01 877 2.22 919 2.41 960 2.60 1000 2.86 1039 3.10 1077 3.31 1114 3.54
4300 741 1.66 794 1.91 845 2.12 889 2.35 931 2.54 971 2.72 1011 2.97 1049 3.23 1087 3.46 1124 3.69
4400 755 1.77 808 2.03 858 2.24 902 2.48 943 2.68 983 2.86 1022 3.10 1059 3.37 1097 3.61 1133 3.84
4500 770 1.89 821 2.15 871 2.37 915 2.61 955 2.82 995 3.01 1033 3.23 1070 3.51 1107 3.76 1143 4.00
4600 784 2.00 835 2.27 884 2.49 928 2.75 968 2.96 1006 3.17 1044 3.37 1081 3.64 1117 3.92 1152 4.17
4700 799 2.13 849 2.40 897 2.63 941 2.88 981 3.11 1018 3.32 1056 3.52 1092 3.78 1127 4.07 1162 4.33
4800 814 2.25 863 2.53 910 2.77 954 3.02 993 3.27 1030 3.48 1057 3.69 1103 3.93 1138 4.23 1172 4.50
4900 829 2.39 877 2.67 923 2.92 967 3.17 1006 3.43 1043 3.65 1079 3.87 1114 4.09 1149 4.37 1182 4.68
5000 843 2.52 892 2.81 937 3.08 980 3.32 1019 3.60 1055 3.82 1091 4.05 1126 4.25 1160 4.53 1193 4.85
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
551B150 (12 1 /
2
TONS) — STANDARD MOTORS (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
3700 — — — — — — — — 861 1.85 906 2.08 950 2.27 991 2.47 1030 2.65 1064 2.82
3800 — — — — — — — — 873 1.95 916 2.18 959 2.38 1001 2.58 1040 2.78 1075 2.96
3900 — — — — — — — — 884 2.05 927 2.28 969 2.50 1010 2.70 1049 2.91 1085 3.11
4000 — — — — — — — — 895 2.16 938 2.38 979 2.62 1020 2.83 1059 3.04 1095 3.25
4100 — — — — — — 864 2.10 907 2.28 949 2.49 989 2.74 1029 2.96 1068 3.18 1105 3.39
4200 — — — — — — 877 2.22 919 2.41 960 2.60 1000 2.86 1039 3.10 1077 3.31 1114 3.54
4300 — — — — — — 889 2.35 931 2.54 971 2.72 1011 2.97 1049 3.23 1087 3.46 1124 3.69
4400 — — — — — — 902 2.48 943 2.68 983 2.86 1022 3.10 1059 3.37 1097 3.61 1133 3.84
4500 — — — — 871 2.37 915 2.61 955 2.82 995 3.01 1033 3.23 1070 3.51 1107 3.76 1143 4.00
4600 — — — — 884 2.49 928 2.75 968 2.96 1006 3.17 1044 3.37 1081 3.64 1117 3.92 1152 4.17
4700 — — — — 897 2.63 941 2.88 981 3.11 1018 3.32 1056 3.52 1092 3.78 1127 4.07 1162 4.33
4800 — — 863 2.53 910 2.77 954 3.02 993 3.27 1030 3.48 1057 3.69 1103 3.93 1138 4.23 1172 4.50
4900 — — 877 2.67 923 2.92 967 3.17 1006 3.43 1043 3.65 1079 3.87 1114 4.09 1149 4.37 1182 4.68
5000 — — 892 2.81 937 3.08 980 3.32 1019 3.60 1055 3.82 1091 4.05 1126 4.25 1160 4.53 1193 4.85
5100 — — 906 2.95 950 3.24 993 3.48 1032 3.76 1068 4.00 1103 4.23 1137 4.45 1171 4.70 1204 5.01
5200 873 2.82 920 3.10 963 3.40 1006 3.65 1045 3.93 1081 4.19 1115 4.42 1149 4.65 1182 4.91 1215 5.18
5300 888 2.97 934 3.26 977 3.57 1019 3.82 1058 4.11 1094 4.38 1127 4.62 1161 4.85 1194 5.07 — —
5400 903 3.13 949 3.43 991 3.75 1032 4.00 1071 4.29 1106 4.57 1139 4.82 1173 5.06 — — — —
5500 918 3.30 963 3.59 1004 3.92 1045 4.18 1084 4.47 1119 4.77 1152 5.03 — — — — — —
5600 933 3.47 978 3.77 1018 4.11 1058 4.38 1097 4.66 1132 4.97 1165 5.24 — — — — — —
5700 948 3.65 992 3.95 1032 4.30 1072 4.58 1110 4.86 1145 5.18 — — — — — — — —
5800 963 3.83 1006 4.14 1046 4.50 1085 4.79 1123 5.07 — — — — — — — — — —
5900 978 4.00 1021 4.34 1060 4.69 1098 5.01 — — — — — — — — — — — —
6000 993 4.22 1035 4.54 1074 4.91 1112 5.23 — — — — — — — — — — — —
6100 1008 4.42 1050 4.75 1089 5.10 — — — — — — — — — — — — — —
6200 1023 4.63 1065 4.96 — — — — — — — — — — — — — — — —
6300 1038 4.85 1079 5.19 — — — — — — — — — — — — — — — —
Bhp — Brake Horsepower Input to Fan
0
T
F
Q
0
04
-0
12
55
1B0
3
6-
15
0