Specifications

32
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
NOTES:
1.
Boldface
indicates field-supplied drive is required. (See Note 5.)
2. Maximum continuous bhp is 5.25. Extensive motor and electrical testing on
these units ensures that the full range of the motor can be utilized with confi-
dence. Using your fan motors up to the ratings shown will not result in
nuisance tripping or premature motor failure. Unit warranty will not be
affected. For additional information on motor performance, refer to Evapora-
tor-Fan Motor Data tables on pages 42 and 43.
3. Values include losses for filters, unit casing, and wet coils. See page 43 for
accessory/FIOP static pressure information.
4. Use of a field-supplied motor may affect wire sizing. Contact Bryant repre-
sentative to verify
5. Standard motor drive range: 900 to 1260 rpm.
6. Interpolation is permissible. Do not extrapolate.
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
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
3700
————————
861 1.85
906 2.08
3800
————————
873 1.95
916 2.18
3900
————————
884 2.05
927 2.28
4000
————————
895 2.16
938 2.38
4100
——————
864 2.10
907 2.28 949 2.49
4200
——————
877 2.22
919 2.41 960 2.60
4300
——————
889 2.35
931 2.54 971 2.72
4400
——————902 2.48 943 2.68 983 2.86
4500
————
871 2.37
915 2.61 955 2.82 995 3.01
4600
————
884 2.49
928 2.75 968 2.96 1006 3.17
4700
————
897 2.63
941 2.88 981 3.11 1018 3.32
4800
——
863 2.53
910 2.77 954 3.02 993 3.27 1030 3.48
4900
——
877 2.67
923 2.92 967 3.17 1006 3.43 1043 3.65
5000
——
892 2.81
937 3.08 980 3.32 1019 3.60 1055 3.82
5100
——906 2.95 950 3.24 993 3.48 1032 3.76 1068 4.00
5200 873 2.82
920 3.10 963 3.40 1006 3.65 1045 3.93 1081 4.19
5300 888 2.97
934 3.26 977 3.57 1019 3.82 1058 4.11 1094 4.38
5400
903 3.13 949 3.43 991 3.75 1032 4.00 1071 4.29 1106 4.57
5500
918 3.30 963 3.59 1004 3.92 1045 4.18 1084 4.47 1119 4.77
5600
933 3.47 978 3.77 1018 4.11 1058 4.38 1097 4.66 1132 4.97
5700
948 3.65 992 3.95 1032 4.30 1072 4.58 1110 4.86 1145 5.18
5800
9633.8310064.1410464.5010854.7911235.07 ——
5900
9784.0010214.3410604.6910985.01 ————
6000
9934.2210354.5410744.9111125.23 ————
6100
1008 4.42 1050 4.75 1089 5.10 ——————
6200
1023 4.63 1065 4.96 ————————
6300
1038 4.85 1079 5.19 ————————
551B150 (12
1
/
2
TONS) — STANDARD MOTORS (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
3700
950 2.27 991 2.47 1030 2.65 1064 2.82
3800
9592.3810012.5810402.7810752.96
3900
9692.5010102.7010492.9110853.11
4000
9792.6210202.8310593.0410953.25
4100
9892.7410292.9610683.1811053.39
4200
1000 2.86 1039 3.10 1077 3.31 1114 3.54
4300
1011 2.97 1049 3.23 1087 3.46 1124 3.69
4400
1022 3.10 1059 3.37 1097 3.61 1133 3.84
4500
1033 3.23 1070 3.51 1107 3.76 1143 4.00
4600
1044 3.37 1081 3.64 1117 3.92 1152 4.17
4700
1056 3.52 1092 3.78 1127 4.07 1162 4.33
4800
1057 3.69 1103 3.93 1138 4.23 1172 4.50
4900
1079 3.87 1114 4.09 1149 4.37 1182 4.68
5000
1091 4.05 1126 4.25 1160 4.53 1193 4.85
5100
1103 4.23 1137 4.45 1171 4.70 1204 5.01
5200
1115 4.42 1149 4.65 1182 4.91 1215 5.18
5300
1127 4.62 1161 4.85 1194 5.07 ——
5400
1139 4.82 1173 5.06 ————
5500
1152 5.03 ——————
5600
1165 5.24 ——————
5700
————————
5800
————————
5900
————————
6000
————————
6100
————————
6200
————————
6300
————————
Bhp —
Brake Horsepower Input to Fan
FIOP —
Factory-Installed Option