Bryant 581B036--072, 581C024--060 installation instructions Bhp Watts 900, Watts Rpm Bhp 900

Table 26—Fan Performance 581B 036, 581C 036 — 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
900	553	0.14	134	681	0.22	221	782	0.32	316	870	0.42	417	948	0.53	526
1000	582	0.16	163	707	0.26	257	807	0.36	358	894	0.47	466	971	0.58	580
1100	612	0.20	196	734	0.30	297	833	0.41	405	919	0.52	519	995	0.64	639
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

	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
900		1019		0.64	640	1084		0.76	760	1146		0.89	885	1203	1.02	1016	1258		1.16	1152
1000		1042		0.70	700	1107		0.83	825	1168		0.96	956	1225	1.10	1091		—	—	—
1100		1065		0.77	765	1130		0.90	896	1190		1.04	1032	1247	1.18	1173		—	—	—
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		—	—	—		—	—	—	—	—	—		—	—	—
	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: 680 to 1044 rpm. All other rpms require field-supplied drive.
			Table 27—Fan Performance 581B 036, 581C 036 — 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
	900		553	0.14	134		681	0.22	221		782	0.32	316	870	0.42	417		948	0.53	526
	1000		582	0.16	163		707	0.26	257		807	0.36	358	894	0.47	466		971	0.58	580
	1100		612	0.20	196		734	0.30	297		833	0.41	405	919	0.52	519		995	0.64	639
	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
	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
	900		1019	0.64	640		1084	0.76	760		1146	0.89	885	1203	1.02	1016		1258	1.16	1152
	1000		1042	0.70	700		1107	0.83	825		1168	0.96	956	1225	1.10	1091		1279	1.24	1232
	1100		1065	0.77	765		1130	0.90	896		1190	1.04	1032	1247	1.18	1173		1301	1.33	1319
	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
	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.

581B,C

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