Bryant 581C024--060, 581B036--072 800 350 904 438 999 535 1087 640 1169 753

581B,C

Table 31—Fan Performance 581B 060, 581C 060 Three-Phase — Horizontal Discharge Units;

Standard Motor (Belt Drive)*

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
CFM		0.2			0.4			0.6			0.8			1.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	800	0.39	350	904	0.49	438	999	0.60	535	1087	0.72	640	1169	0.85	753
1600	839	0.46	412	938	0.57	505	1030	0.68	605	1115	0.80	714	1195	0.93	829
1700	879	0.54	483	974	0.65	580	1062	0.77	684	1144	0.90	796	1221	1.03	914
1800	919	0.63	561	1010	0.75	663	1095	0.87	771	1174	1.00	886	1250	1.14	1008
1900	960	0.73	648	1047	0.85	754	1129	0.98	867	1206	1.11	986	1279	1.25	1111
2000	1001	0.84	744	1085	0.96	855	1163	1.09	972	1238	1.23	1095	1309	1.38	1224
2100	1043	0.96	850	1123	1.09	965	1199	1.22	1086	1271	1.37	1213	1340	1.52	1346
2200	1085	1.09	966	1162	1.22	1086	1235	1.36	1211	1305	1.51	1342	1372	1.67	1479
2300	1127	1.23	1092	1201	1.37	1217	1272	1.52	1347	1340	1.67	1482	1405	1.83	1623
2400	1169	1.38	1229	1241	1.53	1359	1310	1.68	1493	1375	1.84	1633	1439	2.00	1778
2500	1212	1.55	1378	1281	1.70	1513	1348	1.86	1652	1412	2.02	1796	1473	2.19	1945

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
CFM		1.2			1.4			1.6			1.8			2.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	1247	0.98	873	1320	1.13	1002	1390	1.28	1137	1457	1.44	1280	1522	1.61	1430
1600	1270	1.07	952	1342	1.22	1083	1411	1.37	1221	1476	1.54	1365	1540	1.71	1517
1700	1295	1.17	1040	1365	1.32	1173	1432	1.48	1313	1497	1.64	1459	1559	1.82	1612
1800	1321	1.28	1137	1390	1.43	1273	1455	1.59	1415	1518	1.76	1563	1579	1.93	1718
1900	1348	1.40	1243	1415	1.56	1381	1479	1.72	1526	1541	1.89	1677	1601	2.06	1834
2000	1377	1.53	1359	1442	1.69	1500	1505	1.86	1648	1565	2.03	1801	1624	2.21	1961
2100	1406	1.67	1485	1470	1.83	1629	1531	2.00	1780	1591	2.18	1936	1648	2.36	2098
2200	1437	1.83	1621	1499	1.99	1769	1559	2.16	1923	1617	2.34	2082	—	—	—
2300	1468	1.99	1769	1529	2.16	1920	1587	2.34	2077	—	—	—	—	—	—
2400	1500	2.17	1928	1559	2.35	2083	—	—	—	—	—	—	—	—	—
2500	1533	2.36	2098	—	—	—	—	—	—	—	—	—	—	—	—
NOTES:									LEGEND
1. Grey cells indicate field-supplied drive is required.								Bhp — Brake Horsepower
2. Maximum continuous bhp is 2.40.								Watts — Input Watts to Motor
3. See general fan performance notes.								*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

Table 32—Fan Performance 581B 060, 581C 060 — Horizontal Discharge Units; High-Static Motor (Belt Drive)*

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
CFM		0.2			0.4			0.6			0.8			1.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	800	0.39	350	904	0.49	438	999	0.60	535	1087	0.72	640	1169	0.85	753
1600	839	0.46	412	938	0.57	505	1030	0.68	605	1115	0.80	714	1195	0.93	829
1700	879	0.54	483	974	0.65	580	1062	0.77	684	1144	0.90	796	1221	1.03	914
1800	919	0.63	561	1010	0.75	663	1095	0.87	771	1174	1.00	886	1250	1.14	1008
1900	960	0.73	648	1047	0.85	754	1129	0.98	867	1206	1.11	986	1279	1.25	1111
2000	1001	0.84	744	1085	0.96	855	1163	1.09	972	1238	1.23	1095	1309	1.38	1224
2100	1043	0.96	850	1123	1.09	965	1199	1.22	1086	1271	1.37	1213	1340	1.52	1346
2200	1085	1.09	966	1162	1.22	1086	1235	1.36	1211	1305	1.51	1342	1372	1.67	1479
2300	1127	1.23	1092	1201	1.37	1217	1272	1.52	1347	1340	1.67	1482	1405	1.83	1623
2400	1169	1.38	1229	1241	1.53	1359	1310	1.68	1493	1375	1.84	1633	1439	2.00	1778
2500	1212	1.55	1378	1281	1.70	1513	1348	1.86	1652	1412	2.02	1796	1473	2.19	1945

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
CFM		1.2			1.4			1.6			1.8			2.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	1247	0.98	873	1320	1.13	1002	1390	1.28	1137	1457	1.44	1280	1522	1.61	1430
1600	1270	1.07	952	1342	1.22	1083	1411	1.37	1221	1476	1.54	1365	1540	1.71	1517
1700	1295	1.17	1040	1365	1.32	1173	1432	1.48	1313	1497	1.64	1459	1559	1.82	1612
1800	1321	1.28	1137	1390	1.43	1273	1455	1.59	1415	1518	1.76	1563	1579	1.93	1718
1900	1348	1.40	1243	1415	1.56	1381	1479	1.72	1526	1541	1.89	1677	1601	2.06	1834
2000	1377	1.53	1359	1442	1.69	1500	1505	1.86	1648	1565	2.03	1801	1624	2.21	1961
2100	1406	1.67	1485	1470	1.83	1629	1531	2.00	1780	1591	2.18	1936	1648	2.36	2098
2200	1437	1.83	1621	1499	1.99	1769	1559	2.16	1923	1617	2.34	2082	1673	2.53	2246
2300	1468	1.99	1769	1529	2.16	1920	1587	2.34	2077	1644	2.52	2239	1699	2.71	2406
2400	1500	2.17	1928	1559	2.35	2083	1616	2.53	2243	1672	2.71	2408	1726	2.90	2579
2500	1533	2.36	2098	1591	2.54	2257	1647	2.73	2421	—	—	—	—	—	—
NOTES:									LEGEND
1. Grey cells indicate field-supplied drive is required.								Bhp — Brake Horsepower
2. Maximum continuous bhp is 2.90.								Watts — Input Watts to Motor
3. See general fan performance notes.								*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.

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