Bryant 581C024--060, 581B036--072 installation instructions 1700 1800 1900 2000, Bhp Watts

581B,C

Table 28—Fan Performance 581B 048, 581C 048 — 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
1200	643	0.23	234	762	0.34	343	859	0.46	458	944	0.58	579	1020	0.71	705
1300	675	0.28	277	790	0.40	394	886	0.52	517	969	0.65	644	1044	0.78	777
1400	707	0.33	326	819	0.45	452	913	0.58	581	996	0.72	716	1070	0.86	855
1500	740	0.38	382	849	0.52	515	941	0.66	653	1023	0.80	795	1096	0.95	941
1600	773	0.45	444	879	0.59	586	970	0.73	731	1050	0.88	880	1123	1.04	1034
1700	807	0.52	513	910	0.67	663	999	0.82	817	1078	0.98	973	1150	1.14	1134
1800	841	0.59	589	942	0.75	749	1029	0.91	910	1106	1.08	1074	—	—	—
1900	875	0.68	674	974	0.85	842	1059	1.02	1012	1135	1.19	1184	—	—	—
2000	910	0.77	767	1006	0.95	944	1090	1.13	1122	—	—	—	—	—	—

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
1200	1089	0.84		837	1153	0.98		974		1213	1.12		1115	—	—		—	—	—		—
1300	1113	0.92		915	1177	1.06		1058		—	—		—	—	—		—	—	—		—
1400	1138	1.01		1000	1201	1.15		1149		—	—		—	—	—		—	—	—		—
1500	1163	1.10		1092	—	—		—		—	—		—	—	—		—	—	—		—
1600	1189	1.20		1191	—	—		—		—	—		—	—	—		—	—	—		—
1700	—	—		—	—	—		—		—	—		—	—	—		—	—	—		—
1800	—	—		—	—	—		—		—	—		—	—	—		—	—	—		—
1900	—	—		—	—	—		—		—	—		—	—	—		—	—	—		—
2000	—	—		—	—	—		—		—	—		—	—	—		—	—	—		—
NOTES:												LEGEND
1. Grey cells indicate field-supplied drive is required.											Bhp — Brake Horsepower
2. Maximum continuous bhp is 1.20.											Watts — Input Watts to Motor
3. See general fan performance notes.											*Motor drive range: 770 to 1185 rpm. All other rpms require field-supplied drive.
	Table 29—Fan Performance 581B 048, 581C 048 — 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
1200	643	0.23	234		762	0.34	343		859		0.46	458		944	0.58	579		1020	0.71	705
1300	675	0.28	277		790	0.40	394		886		0.52	517		969	0.65	644		1044	0.78	777
1400	707	0.33	326		819	0.45	452		913		0.58	581		996	0.72	716		1070	0.86	855
1500	740	0.38	382		849	0.52	515		941		0.66	653		1023	0.80	795		1096	0.95	941
1600	773	0.45	444		879	0.59	586		970		0.73	731		1050	0.88	880		1123	1.04	1034
1700	807	0.52	513		910	0.67	663		999		0.82	817		1078	0.98	973		1150	1.14	1134
1800	841	0.59	589		942	0.75	749		1029		0.91	910		1106	1.08	1074		1177	1.25	1242
1900	875	0.68	674		974	0.85	842		1059		1.02	1012		1135	1.19	1184		1205	1.37	1360
2000	910	0.77	767		1006	0.95	944		1090		1.13	1122		1165	1.31	1302		1234	1.49	1485
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
1200	1089	0.84	837		1153	0.98	974		1213		1.12	1115		1270	1.27	1262		1324	1.42	1413
1300	1113	0.92	915		1177	1.06	1058		1237		1.21	1205		1293	1.36	1358		1347	1.52	1514
1400	1138	1.01	1000		1201	1.15	1149		1261		1.31	1303		1317	1.47	1461		1370	1.63	1623
1500	1163	1.10	1092		1226	1.25	1247		1285		1.41	1407		1341	1.58	1571		1394	1.75	1740
1600	1189	1.20	1191		1252	1.36	1353		1310		1.53	1520		1365	1.70	1690		1418	1.87	1865
1700	1216	1.31	1299		1277	1.48	1468		1335		1.65	1640		1390	1.83	1817		1442	2.01	1998
1800	1242	1.42	1414		1303	1.60	1590		1361		1.78	1770		1415	1.96	1953		1467	2.15	2140
1900	1270	1.55	1538		1330	1.73	1721		1387		1.92	1908		1441	2.11	2098		1493	2.30	2292
2000	1297	1.68	1672		1357	1.87	1862		1414		2.07	2055		1467	2.26	2252		—	—		—
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: 1075 to 1455 rpm. All other rpms require field-supplied drive.

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