Bryant 549C manual FAN Performance Horizontal Discharge Units, Tons Alternate Motor Belt Drive

548F

PERFORMANCE DATA — 548F (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

548F048 (4 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
1200		0.93	0.41	458	0.97		0.45	506		1.04	0.51	572	1.09		0.56	632
1300		0.86	0.42	471	0.90		0.46	521		0.96	0.52	589	1.02		0.58	651
1400		0.78	0.45	503	0.84		0.49	556		0.90	0.54	616	0.96		0.60	681
1500		0.73	0.47	536	0.76		0.52	593		0.83	0.56	631	0.89		0.62	698
1600		0.67	0.49	557	0.70		0.54	616		0.75	0.58	654	0.82		0.64	723
1700		0.60	0.52	584	0.63		0.57	646		0.67	0.60	678	0.74		0.66	750
1800		0.51	0.54	610	0.54		0.60	674		0.62	0.62	698	0.69		0.68	772
1900		0.40	0.56	629	0.45		0.62	696		0.54	0.64	720	0.62		0.70	796
2000		0.32	0.58	661	0.33		0.65	731		0.47	0.66	744	0.54		0.73	823
	LEGEND								See General Fan Performance notes on page 27.

Bhp — Brake Horsepower Input to Fan

ESP — External Static Pressure (in. wg)

Watts — Input Watts to Motor

548F048	(4 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
1200		708	0.26	256	836	0.36	359	941	0.47	464	1033	0.57	572	1116	0.69	683
1300		743	0.31	307	868	0.42	417	971	0.53	530	1062	0.65	645	1143	0.77	764
1400		780	0.37	364	900	0.49	483	1002	0.61	603	1091	0.73	726	1172	0.86	851
1500		816	0.43	428	934	0.56	556	1033	0.69	685	1121	0.82	815	1201	0.95	947
1600		854	0.50	501	968	0.64	638	1065	0.78	774	1152	0.92	912	—	—	—
1700		892	0.59	582	1002	0.73	728	1098	0.88	872	—	—	—	—	—	—
1800		930	0.68	672	1038	0.83	826	1131	0.99	980	—	—	—	—	—	—
1900		969	0.78	772	1073	0.94	935	—	—	—	—	—	—	—	—	—
2000		1008	0.89	881	—	—	—	—	—	—	—	—	—	—	—	—
548F048	(4 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
1200		1191	0.80	799	1261	0.92	917	—	—	—	—	—	—	—	—	—
1300		1218	0.89	885	—	—	—	—	—	—	—	—	—	—	—	—
1400		1246	0.99	980	—	—	—	—	—	—	—	—	—	—	—	—
1500		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1600		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1700		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1800		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1900		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2000		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

LEGEND

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

*Motor drive range: 770 to 1175 rpm. All other rpms require a field- supplied drive.

See General Fan Performance notes on page 27.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 1.00.

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