Bryant 581A/B manual FAN Performance Vertical Discharge Units

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS

580F036 (3 TONS) — STANDARD MOTOR (DIRECT DRIVE)

Airflow				Low Speed							High Speed
			208 V			230, 460, 575 V				208 V			230, 460, 575 V
(Cfm)
		ESP	Bhp	Watts	ESP		Bhp	Watts	ESP	Bhp	Watts	ESP		Bhp	Watts
900		0.49	0.21	253	0.50		0.23	277	0.51	0.26	307	0.55		0.31	363
1000		0.42	0.23	270	0.43		0.25	292	0.43	0.27	321	0.51		0.32	374
1100		0.37	0.24	287	0.38		0.26	307	0.39	0.28	335	0.46		0.33	385
1200		0.33	0.26	304	0.33		0.27	323	0.34	0.29	349	0.40		0.34	397
1300		0.27	0.27	321	0.28		0.29	338	0.28	0.31	364	0.34		0.34	408
1400		0.20	0.29	338	0.23		0.30	354	0.25	0.32	378	—		—	—
1500		0.16	0.30	355	0.18		0.31	369	0.20	0.33	392	—		—	—
	LEGEND							See page 70 for general fan performance notes.

Bhp — Brake Horsepower Input to Fan

ESP — External Static Pressure (in. wg)

580F036-151

580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow								External Static Pressure (in. wg)
			0.2			0.4				0.6			0.8			1.0
(Cfm)
		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
900		643	0.15	152	768	0.22	222		870	0.30	296	958	0.37	373	1037	0.46	454
1000		683	0.19	191	804	0.27	268		904	0.35	348	991	0.43	430	1069	0.52	517
1100		725	0.24	237	842	0.32	321		939	0.41	407	1025	0.50	496	1102	0.59	588
1200		767	0.29	291	880	0.38	382		976	0.48	474	1060	0.57	570	1136	0.67	668
1300		811	0.35	352	920	0.45	451		1013	0.55	550	1095	0.66	652	1170	0.76	756
1400		855	0.43	423	960	0.53	529		1051	0.64	636	1132	0.75	744	1205	0.86	855
1500		900	0.51	504	1002	0.62	617		1090	0.74	731	1169	0.85	846	1242	0.97	963
580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow								External Static Pressure (in. wg)
			1.2			1.4				1.6			1.8			2.0
(Cfm)
		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
900		1110	0.54	538	1177	0.63	627		1239	0.72	718	1298	0.82	813	1355	0.92	911
1000		1141	0.61	607	1207	0.70	700		1269	0.80	796	1328	0.90	895	1384	1.00	998
1100		1173	0.69	683	1238	0.79	781		1300	0.89	883	1358	0.99	987	1414	1.10	1094
1200		1205	0.77	768	1270	0.88	872		1332	0.98	979	1389	1.09	1088	—	—	—
1300		1239	0.87	863	1303	0.98	972		1364	1.09	1084	—	—	—	—	—	—
1400		1273	0.97	967	1337	1.09	1082		—	—	—	—	—	—	—	—	—
1500		1309	1.09	1082	—	—	—		—	—	—	—	—	—	—	—	—
	LEGEND									NOTES:
Bhp —	Brake Horsepower Input to Fan									1. Boldface indicates field-supplied drive is required.
										2. Maximum continuous bhp is 1.20.
Watts —	Input Watts to Motor
										3. See page 70 for general fan performance notes.

*Motor drive range: 685 to 1045 rpm. All other rpms require a field-supplied drive.

580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow									External Static Pressure (in. wg)
				0.2			0.4				0.6			0.8			1.0
(Cfm)
			Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
	900		643	0.15	152	768	0.22	222		870	0.30	296	958	0.37	373	1037	0.46	454
	1000		683	0.19	191	804	0.27	268		904	0.35	348	991	0.43	430	1069	0.52	517
	1100		725	0.24	237	842	0.32	321		939	0.41	407	1025	0.50	496	1102	0.59	588
	1200		767	0.29	291	880	0.38	382		976	0.48	474	1060	0.57	570	1136	0.67	668
	1300		811	0.35	352	920	0.45	451		1013	0.55	550	1095	0.66	652	1170	0.76	756
	1400		855	0.43	423	960	0.53	529		1051	0.64	636	1132	0.75	744	1205	0.86	855
	1500		900	0.51	504	1002	0.62	617		1090	0.74	731	1169	0.85	846	1242	0.97	963
580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow									External Static Pressure (in. wg)
				1.2			1.4				1.6			1.8			2.0
(Cfm)
			Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts
	900		1110	0.54	538	1177	0.63	627		1239	0.72	718	1298	0.82	813	1355	0.92	911
	1000		1141	0.61	607	1207	0.70	700		1269	0.80	796	1328	0.90	895	1384	1.00	998
	1100		1173	0.69	683	1238	0.79	781		1300	0.89	883	1358	0.99	987	1414	1.10	1094
	1200		1205	0.77	768	1270	0.88	872		1332	0.98	979	1389	1.09	1088	1444	1.21	1200
	1300		1239	0.87	863	1303	0.98	972		1364	1.09	1084	1421	1.21	1199	1475	1.32	1316
	1400		1273	0.97	967	1337	1.09	1082		1397	1.21	1200	1453	1.33	1320	1507	1.45	1443
	1500		1309	1.09	1082	1371	1.21	1204		1430	1.33	1327	1486	1.46	1453	1540	1.59	1581
		LEGEND									NOTES:
Bhp	—	Brake Horsepower Input to Fan									1. Boldface indicates field-supplied drive is required.
											2. Maximum continuous bhp is 2.40.
Watts	—	Input Watts to Motor
											3. See page 70 for general fan performance notes.

*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied drive.

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