Bryant 581A operation manual

Table 11 — Fan Performance — 581A300 Low Heat Vertical Discharge Units*

AIRFLOW						AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
		0.2			0.4				0.6			0.8			1.0
(Cfm)
	Rpm	Watts	Bhp	Rpm	Watts		Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp
6,500	750	2,468	2.84	806	2,767		3.18	854	3,031	3.49	898	3,298	3.79	943	3,584	4.12
7,000	797	2,942	3.38	853	3,276		3.77	899	3,557	4.09	941	3,832	4.41	982	4,118	4.74
7,500	845	3,468	3.99	900	3,840		4.42	945	4,142	4.76	985	4,430	5.09	1024	4,721	5.43
8,000	892	4,045	4.65	948	4,462		5.13	991	4,789	5.51	1030	5,092	5.86	1067	5,391	6.20
8,500	939	4,677	5.38	995	5,141		5.91	1038	5,497	6.32	1076	5,818	6.69	1112	6,129	7.05
9,000	986	5,364	6.17	1042	5,882		6.76	1085	6,269	7.21	1122	6,611	7.60	1157	6,936	7.98
9,500	1033	6,108	7.03	1090	6,684		7.69	1132	7,105	8.17	1169	7,470	8.59	1203	7,813	8.99
10,000	1079	6,911	7.95	1137	7,550		8.68	1180	8,007	9.21	1216	8,399	9.66	1249	8,761	10.08
10,500	1126	7,773	8.94	1184	8,480		9.75	1227	8,978	10.33	1263	9,399	10.81	1296	9,782	11.25
11,000	1172	8,696	10.00	1232	9,475		10.90	1274	10,017	11.52	1310	10,468	12.04	1342	10,876	12.51
11,500	1219	9,681	11.13	1279	10,539		12.12	1322	11,127	12.80	1357	11,611	13.35	—	—	—
12,000	1265	10,732	12.34	1326	11,669		13.42	—	—	—	—	—	—	—	—	—
12,500	1311	11,848	13.63	—	—		—	—	—	—	—	—	—	—	—	—
AIRFLOW						AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
		1.2			1.4				1.6			1.8			2.0
(Cfm)
	Rpm	Watts	Bhp	Rpm	Watts		Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp
6,500	988	3,900	4.49	1035	4,250		4.89	1082	4,634	5.33	1130	5,053	5.81	1177	5,499	6.32
7,000	1024	4,426	5.09	1066	4,760		5.48	1109	5,126	5.90	1153	5,524	6.35	1197	5,953	6.85
7,500	1063	5,026	5.78	1101	5,351		6.15	1141	5,702	6.56	1181	6,081	6.99	1222	6,490	7.46
8,000	1104	5,698	6.55	1140	6,020		6.92	1176	6,361	7.32	1213	6,727	7.74	1251	7,118	8.19
8,500	1146	6,443	7.41	1180	6,765		7.78	1214	7,103	8.17	1249	7,459	8.58	1283	7,837	9.01
9,000	1190	7,259	8.35	1222	7,586		8.73	1255	7,925	9.11	1287	8,276	9.52	1319	8,645	9.94
9,500	1235	8,148	9.37	1266	8,483		9.76	1296	8,824	10.15	1327	9,176	10.55	1357	9,541	10.97
10,000	1280	9,111	10.48	1310	9,456		10.88	1340	9,804	11.28	1369	10,158	11.68	1398	10,522	12.10
10,500	1326	10,147	11.67	1355	10,505		12.08	1384	10,862	12.49	—	—	—	—	—	—
11,000	1372	11,259	12.95	—	—		—	—	—	—	—	—	—	—	—	—
11,500	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
12,000	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
12,500	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—

		LEGEND
Bhp	—	Brake Horsepower Input to Fan
Watts	—	Input Watts to Motor

*Motor drive ranges: Low Range: 941-1176 High Range: 1014-1297

All other rpms require field-supplied drive.

Refer to page 23 for general Fan Performance Data notes.

NOTE: Maximum continuous bhp is:

Low Range: 8.63

High Range: 11.50

Table 12 — Fan Performance — 581A300 Medium Heat Vertical Discharge Units*

AIRFLOW						AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
		0.2			0.4				0.6			0.8			1.0
(Cfm)
	Rpm	Watts	Bhp	Rpm	Watts		Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp
6,500	775	2,600	2.99	825	2,872		3.30	871	3,130	3.60	915	3,400	3.91	959	3,692	4.25
7,000	826	3,115	3.58	875	3,408		3.92	918	3,679	4.23	959	3,954	4.55	1000	4,245	4.88
7,500	878	3,690	4.24	925	4,006		4.61	966	4,292	4.94	1005	4,575	5.26	1043	4,868	5.60
8,000	929	4,326	4.98	975	4,667		5.37	1015	4,970	5.72	1052	5,265	6.06	1088	5,564	6.40
8,500	981	5,029	5.78	1026	5,395		6.20	1064	5,717	6.58	1100	6,025	6.93	1134	6,332	7.28
9,000	1033	5,799	6.67	1076	6,191		7.12	1114	6,533	7.51	1148	6,856	7.89	1181	7,173	8.25
9,500	1085	6,640	7.64	1128	7,058		8.12	1164	7,421	8.54	1198	7,761	8.93	1229	8,091	9.31
10,000	1137	7,553	8.69	1179	8,000		9.20	1214	8,385	9.64	1247	8,741	10.05	1278	9,086	10.45
10,500	1190	8,542	9.82	1230	9,016		10.37	1265	9,424	10.84	1297	9,799	11.27	1327	10,158	11.68
11,000	1242	9,609	11.05	1282	10,111		11.63	1316	10,542	12.12	1347	10,937	12.58	1376	11,311	13.01
11,500	1294	10,756	12.37	1333	11,287		12.98	1367	11,741	13.50	—	—	—	—	—	—
12,000	1347	11,985	13.78	—	—		—	—	—	—	—	—	—	—	—	—
12,500	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
AIRFLOW						AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
		1.2			1.4				1.6			1.8			2.0
(Cfm)
	Rpm	Watts	Bhp	Rpm	Watts		Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp	Rpm	Watts	Bhp
6,500	1004	4,016	4.62	1050	4,374		5.03	1098	4,769	5.48	1145	5,195	5.97	1192	5646	6.49
7,000	1041	4,559	5.24	1083	4,902		5.64	1126	5,277	6.07	1170	5,685	6.54	1214	6122	7.04
7,500	1081	5,179	5.96	1120	5,512		6.34	1159	5,872	6.75	1199	6,261	7.20	1240	6680	7.68
8,000	1124	5,875	6.76	1160	6,203		7.13	1196	6,553	7.54	1233	6,928	7.97	1270	7329	8.43
8,500	1168	6,647	7.64	1202	6,974		8.02	1235	7,318	8.42	1269	7,684	8.84	1304	8071	9.28
9,000	1214	7,495	8.62	1245	7,825		9.00	1277	8,168	9.39	1309	8,527	9.81	1341	8905	10.24
9,500	1260	8,421	9.69	1290	8,756		10.07	1320	9,100	10.47	1351	9,457	10.88	1381	9830	11.31
10,000	1308	9,425	10.84	1337	9,768		11.23	1365	10,116	11.63	1394	10,474	12.05	—	—	—
10,500	1356	10,510	12.09	1384	10,862		12.49	—	—	—	—	—	—	—	—	—
11,000	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
11,500	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
12,000	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
12,500	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—

		LEGEND
Bhp	—	Brake Horsepower Input to Fan
Watts	—	Input Watts to Motor

*Motor drive ranges: Low Range: 941-1176 High Range: 1014-1297

All other rpms require field-supplied drive.

Refer to page 23 for general Fan Performance Data notes.

NOTE: Maximum continuous bhp is:

Low Range: 8.63

High Range: 11.50

—22—