Bryant 581B 3100 500 669 731 808, 3200 519 680 741 818, 3300 537 692 751 828, 3400 561 704 761

PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

581B120 (10 TONS) — STANDARD AND HIGH-STATIC MOTOR

AIRFLOW								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
(Cfm)
	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp
3000	478	0.57	658	0.92	721	1.08	796	1.23	851	1.50	898	1.78	942	2.01	983	2.17	1023	2.46	1063	2.61
3100	500	0.62	669	0.97	731	1.16	808	1.30	861	1.57	907	1.86	951	2.09	992	2.24	1031	2.51	1070	2.75
3200	519	0.69	680	1.03	741	1.23	818	1.38	873	1.65	916	1.95	960	2.18	1000	2.32	1039	2.58	1077	2.88
3300	537	0.77	692	1.10	751	1.30	828	1.47	884	1.72	925	2.03	969	2.27	1009	2.41	1048	2.66	1086	2.95
3400	561	0.86	704	1.17	761	1.37	837	1.57	896	1.82	934	2.12	978	2.36	1018	2.51	1057	2.75	1094	3.02
3500	592	0.98	715	1.24	773	1.45	847	1.66	907	1.92	945	2.22	987	2.46	1027	2.60	1066	2.85	1102	3.12
3600	632	1.12	727	1.32	784	1.54	857	1.76	917	2.03	957	2.32	996	2.55	1036	2.71	1075	2.96	1111	3.22
3700	677	1.20	748	1.43	810	1.65	869	1.89	928	2.17	984	2.43	1036	2.68	1080	2.90	1114	3.07	1135	3.17
3800	691	1.28	761	1.52	822	1.75	880	1.98	937	2.28	993	2.55	1046	2.81	1092	3.05	1129	3.25	1156	3.39
3900	705	1.37	773	1.62	834	1.86	891	2.08	947	2.39	1002	2.66	1055	2.94	1102	3.20	1143	3.42	1174	3.59
4000	720	1.47	786	1.71	847	1.97	902	2.19	957	2.50	1011	2.79	1064	3.07	1112	3.34	1155	3.59	1190	3.80
4100	734	1.56	800	1.82	860	2.09	914	2.31	967	2.60	1021	2.91	1072	3.20	1121	3.49	1165	3.76	1203	3.99
4200	749	1.66	813	1.92	873	2.21	926	2.44	978	2.71	1030	3.04	1081	3.34	1130	3.64	1175	3.92	1215	4.18
4300	764	1.77	826	2.04	886	2.33	938	2.57	989	2.83	1040	3.18	1090	3.48	1139	3.79	1185	4.08	1226	4.36
4400	779	1.88	840	2.16	899	2.46	951	2.71	1000	2.96	1050	3.31	1100	3.63	1148	3.94	1194	4.25	1236	4.54
4500	793	1.99	854	2.28	912	2.59	963	2.86	1012	3.09	1061	3.43			1157	4.09	1203	4.42	1246	4.72
													1109	3.78
4600	808	2.11	868	2.42	925	2.73	975	3.00	1024	3.25	1071	3.56	1119	3.93	1166	4.26	1212	4.58	1255	4.91
4700	822	2.24	882	2.56	937	2.86	988	3.16	1036	3.42	1082	3.70	1129	4.09	1175	4.43	1221	4.76	1264	5.09
4800	837	2.37	896	2.71	950	3.00	1001	3.32	1048	3.59	1093	3.86	1139	4.24	1185	4.60	1230	4.93	—	—
4900	852	2.51	910	2.86	963	3.15	1014	3.48	1060	3.76	1105	4.02	1150	4.38	1194	4.77	1239	5.12	—	—
5000	867	2.65	924	3.01	977	3.30	1027	3.65	1073	3.94	1117	4.20	1161	4.54	1204	4.95	—	—	—	—

LEGEND

Bhp — Brake Horsepower Input to Fan

FIOP — Factory-Installed Option

NOTES:

1.Boldface indicates field-supplied drive required. (See Note 3.)

2. indicates high static motor and drive required.

3.Motor drive range is 860 to 1080 rpm for standard motors and 830 to 1130 for high-static motors. All other rpms require a field-supplied drive.

4.Values include losses for filters, unit casing, and wet coils. See page 40 for accessory/FIOP static pressure information.

5.Maximum continuous bhp is 3.70 for standard motors and 5.25 for high-static motors. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. 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. See Evaporator-Fan Motor Data tables on pages 41 and 42 for additional information.

6.Use of a field-supplied motor may affect wire sizing. Contact your Bryant representative to verify.

581B150 (121/2 TONS) — STANDARD MOTOR

AIRFLOW								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
(Cfm)
	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm		Bhp	Rpm		Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp	Rpm	Bhp
3700	—	—	—	—	—	—	869	1.89	928		2.17	984		2.43	1036	2.68	1080	2.90	1114	3.07	1135	3.17
3800	—	—	—	—	—	—	880	1.98	937		2.28	993		2.55	1046	2.81	1092	3.05	1129	3.25	1156	3.39
3900	—	—	—	—	—	—	891	2.08	947		2.39	1002		2.66	1055	2.94	1102	3.20	1143	3.42	1174	3.59
4000	—	—	—	—	—	—	902	2.19	957		2.50	1011		2.79	1064	3.07	1112	3.34	1155	3.59	1190	3.80
4100	—	—	—	—	860	2.09	914	2.31	967		2.60	1021		2.91	1072	3.20	1121	3.49	1165	3.76	1203	3.99
4200	—	—	—	—	873	2.21	926	2.44	978		2.71	1030		3.04	1081	3.34	1130	3.64	1175	3.92	1215	4.18
4300	—	—	—	—	886	2.33	938	2.57	989		2.83	1040		3.18	1090	3.48	1139	3.79	1185	4.08	1226	4.36
4400	—	—	—	—	899	2.46	951	2.71	1000		2.96	1050		3.31	1100	3.63	1148	3.94	1194	4.25	1236	4.54
4500	—	—	—	—	912	2.59	963	2.86	1012		3.09	1061		3.43	1109	3.78	1157	4.09	1203	4.42	1246	4.72
4600	—	—	868	2.42	925	2.73	975	3.00	1024		3.25	1071		3.56	1119	3.93	1166	4.26	1212	4.58	1255	4.91
4700	—	—	882	2.56	937	2.86	988	3.16	1036		3.42	1082		3.70	1129	4.09	1175	4.43	1221	4.76	1264	5.09
4800	—	—	896	2.71	950	3.00	1001	3.32	1048		3.59	1093		3.86	1139	4.24	1185	4.60	1230	4.93	—	—
4900	—	—	910	2.86	963	3.15	1014	3.48	1060		3.76	1105		4.02	1150	4.38	1194	4.77	1239	5.12	—	—
5000	867	2.65	924	3.01	977	3.30	1027	3.65	1073		3.94	1117		4.20	1161	4.54	1204	4.95	—	—	—	—
5100	882	2.79	938	3.17	990	3.46	1040	3.82	1085		4.12	1129		4.40	1172	4.71	1214	5.13	—	—	—	—
5200	896	2.95	952	3.33	1003	3.63	1053	4.00	1098		4.30	1141		4.60	1183	4.91	—	—	—	—	—	—
5300	911	3.11	967	3.50	1017	3.80	1066	4.18	1111		4.50	1153		4.80	1194	5.08	—	—	—	—	—	—
5400	926	3.27	981	3.68	1030	3.98	1079	4.35	1124		4.70	1166		5.01	—	—	—	—	—	—	—	—
5500	940	3.44	995	3.86	1044	4.17	1092	4.54	1137		4.91	1178		5.22	—	—	—	—	—	—	—	—
5600	955	3.62	1010	4.04	1058	4.38	1105	4.73	1150		5.12	—		—	—	—	—	—	—	—	—	—
5700	970	3.80	1024	4.23	1072	4.59	1118	4.93	—		—	—		—	—	—	—	—	—	—	—	—
5800	985	3.99	1039	4.42	1086	4.80	1131	5.14	—		—	—		—	—	—	—	—	—	—	—	—
5900	1000	4.18	1053	4.62	1100	5.02	—	—	—	—		—	—		—	—	—	—	—	—	—	—
6000	1015	4.39	1068	4.83	1114	5.25	—	—	—	—		—	—		—	—	—	—	—	—	—	—
6100	1030	4.59	1083	5.04	—	—	—	—	—	—		—	—		—	—	—	—	—	—	—	—
6200	1046	4.81	—	—	—	—	—	—	—		—	—		—	—	—	—	—	—	—	—	—

LEGEND

Bhp — Brake Horsepower Input to Fan

FIOP — Factory-Installed Option

NOTES:

1.Boldface indicates field-supplied drive required. (See Note 2.)

2.Standard drive range is 900 to 1260 rpm.

3.Values include losses for filters, unit casing, and wet coils. See page 40 for accessory/FIOP static pressure information.

4.Maximum continuous bhp is 5.25 for the standard motor. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. 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. See Evaporator-Fan Motor Data table on pages 41 and 42 for addi- tional information.

5.Use of a field-supplied motor may affect wire sizing. Contact your Bryant representative to verify.

6.Interpolation is permissible. Do not extrapolate.

39