Bryant 558F, 551B, 551A PERFORMANCE DATA cont, FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

551B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow																		External Static Pressure (in. wg)
(Cfm)				0.1				0.2				0.4				0.6					0.8							1.0				1.2			1.4				1.6
			Rpm			Bhp	Rpm		Bhp		Rpm		Bhp			Rpm		Bhp		Rpm			Bhp			Rpm				Bhp	Rpm		Bhp		Rpm			Bhp		Rpm	Bhp
1800		852				0.55	905		0.62		1002		0.78			1084		0.93	1163			1.10				1235				1.29	1303		1.48		1371		1.69		1433		1.90
1900		894				0.64	945		0.72		1037		0.88			1119		1.04	1194			1.21				1266				1.40	1330		1.59		1396		1.81		1460		2.03
2000		936				0.74	984		0.82		1072		0.98			1154		1.16	1226			1.33				1297				1.53	1362		1.73		1422		1.94		1485		2.16
2100		978				0.85	1024		0.93		1108		1.10			1190		1.29	1259			1.47				1327				1.66	1393		1.87		1452		2.08		1510		2.31
2200		1021				0.97	1064		1.05		1145		1.22			1225		1.43	1294			1.62				1359				1.81	1423		2.02		1483		2.24
																																							1538		2.46
2300		1064				1.10	1104		1.18		1183		1.36			1260		1.57	1330			1.78				1392				1.97	1454		2.18						1569		2.64
																																			1515		2.41
2400		1107				1.24	1145		1.32		1222		1.52			1296		1.73	1365			1.94				1426				2.15	1485		2.36		1544		2.59		1601		2.84	551B036-
2500		1150				1.39	1186		1.48		1262		1.68			1331		1.89	1400			2.12				1461				2.34	1518		2.55		1575		2.78			—	—
2600		1193				1.56	1228		1.65		1301		1.86			1367		2.07	1435			2.31				1497				2.54	1552		2.76			—		—		—	—
2700		1237				1.74	1269		1.83		1341		2.05			1404		2.26	1471			2.51				1532				2.75	—		—			—		—		—	—
2800		1280				1.94	1311		2.03		1381		2.25			1442		2.47	1506			2.72				—				—	—		—			—		—		—	—
2900		1324				2.15	1354		2.24							1481		2.69	1542			2.94				—				—	—		—			—		—		—	—
											1420		2.47
3000		1368				2.37	1396		2.46		1460		2.69			1521		2.93		—				—		—				—	—		—			—		—		—	—
551B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)																																										150
Airflow																		External Static Pressure (in. wg)
(Cfm)		0.2					0.4			0.6				0.8				1.0						1.2				1.4				1.6					1.8			2.0
			Rpm			Bhp	Rpm	Bhp		Rpm		Bhp			Rpm		Bhp	Rpm		Bhp			Rpm			Bhp				Rpm	Bhp	Rpm		Bhp		Rpm		Bhp		Rpm	Bhp
1800		906			0.62		1002	0.78		1084		0.93		1163			1.10	1235		1.29		1303				1.48		1371			1.69	1433		1.90		1481		2.10		1525	2.29
1900		945			0.72		1037	0.88		1119		1.04		1194			1.21	1266		1.40		1330				1.59		1396			1.81	1460		2.03		1509		2.24		1554	2.45
2000		984			0.82		1072	0.98		1154		1.16		1226			1.33	1297		1.63		1362				1.73		1422			1.94	1485		2.16		1535		2.38		1581	2.61
2100		1024			0.93		1108	1.10		1190		1.29		1259			1.47	1327		1.66		1393				1.87		1452			2.08	1510		2.31		1561		2.65		1607	2.79
2200		1064			1.05		1145	1.22		1225		1.43		1294			1.62	1359		1.81		1423				2.02		1483			2.24	1538		2.46		1590		2.72
																																								1637	2.97
2300		1104			1.18		1183	1.36		1260		1.57		1330			1.78	1392		1.97		1454				2.18		1515			2.41	1569		2.64						1670	3.18
																																				1622		2.91
2400		1145			1.32		1222	1.52		1296		1.73		1365			1.94	1426		2.15		1485				2.36		1544			2.59	1601		2.84		1655		3.14		1704	3.43
2500		1186			1.48		1262	1.68		1331		1.89		1400			2.12	1461		2.34		1518				2.55		1575			2.78					1690		3.43		1740	3.75
																																1635		3.11
2600		1228			1.66		1301	1.86		1367		2.07		1435			2.31	1497		2.54		1552				2.76						1662		3.51		1739		3.88		1791	4.24
																												1620			3.14
2700		1269			1.83		1341	2.05		1404		2.26		1471			2.51	1532		2.75		1612				3.21		1683			3.65	1747		4.08		—		—		—	—
2800		1311			2.03		1381	2.25		1442		2.47		1506			2.72	1603		3.28		1687				3.82		1761			4.36	—		—		—		—		—	—
2900		1354			2.24		1420	2.47		1481		2.69		1542			2.94	1641		3.55		1727				4.13				—	—	—		—		—		—		—	—
3000		1396			2.46		1460	2.69		1521		2.93		1649			3.73	1755		4.50				—		—				—	—	—		—		—		—		—	—
			LEGEND																		2.						indicates field-supplied motor and drive are required.
Bhp	— Brake Horsepower Input to Fan																						3. Maximum continuous bhp is 2.40 for standard motors; 2.90 for high-static motors.
NOTES:																							4. Motor drive range: 1120 to 1585 rpm for standard motors; 1300 to 1685 rpm for high-
																									static motors. All other rpms require field-supplied drive.
1. Boldface indicates a field-supplied drive is required. (See Note 4.)																					5.				See page 93 for general fan performance notes.
551B090 (71/2 TONS) — STANDARD AND HIGH-STATIC MOTOR (BELT DRIVE)
Airflow																		External Static Pressure (in. wg)
		0.2					0.4			0.6						0.8			1.0					1.2					1.4			1.6					1.8			2.0
(Cfm)
			Rpm			Bhp	Rpm	Bhp		Rpm		Bhp			Rpm		Bhp	Rpm		Bhp			Rpm			Bhp				Rpm	Bhp	Rpm		Bhp		Rpm		Bhp		Rpm	Bhp
2250		511				0.52	592	0.74		659		0.95			722		1.19	778		1.43		829				1.68			884		1.97	937		2.33		947		2.66		1022	3.10
2300		518				0.55	599	0.77		665		0.98			727		1.22	783		1.47		834				1.72			885		2.00	939		2.36		979		2.69		1025	3.12
2400		534				0.61	613	0.84		677		1.06			738		1.30	794		1.55		844				1.81			892		2.08	944		2.40		987		2.76		1039	3.20
2500		549				0.67	627	0.90		690		1.14			750		1.38	805		1.64		855				1.91			902		2.18	949		2.48		1002		2.84		1041	3.25
2550		557				0.71	633	0.94		697		1.18			756		1.42	811		1.69		861				1.96			908		2.24	953		2.53		1003		2.87		1045	3.28
2600		565				0.74	639	0.97		703		1.22			761		1.46	816		1.74		866				2.01			913		2.29	957		2.58						1050	3.31
																																				1004		2.91
2700		581				0.81	652	1.04		717		1.31			773		1.55	827		1.83		878				2.12			924		2.40	967		2.70		1010		3.01		1056	3.37
2800		597				0.89	665	1.12		733		1.40			786		1.66	839		1.93		889				2.23			935		2.52	978		2.62		1019		3.13		1061	3.47
2900		613				0.97	679	1.20		745		1.50			799		1.76	850		2.04		900				2.34			946		2.65					1030		3.27		—	—
																																989		2.96
3000		629				1.06	694	1.29		759		1.59			812		1.88	862		2.15		911				2.46			957		2.78	1000		3.09		1040		3.41		—	—
3100		646				1.15	709	1.39		772		1.70			825		1.99	875		2.28		923				2.58						1011		3.24		—		—		—	—
																													968		2.91
3200		662				1.25	724	1.50		785		1.80			840		2.11	887		2.41		934				2.71			980		3.04	1022		3.38		—		—		—	—
3300		679				1.35	740	1.61		798		1.91			854		2.24	900		2.54		946				2.85			991		3.18	—		—		—		—		—	—
3400		696				1.46	756	1.73		811		2.02			868		2.37	914		2.69									1003		3.32	—		—		—		—		—	—
																						959				3.00
3500		712				1.57	771	1.85		824		2.14			881		2.50	928		2.84		971				3.16			1014		3.48	—		—		—		—		—	—
3600		729				1.69	787	1.98		839		2.21			894		2.64	942		2.99		984				3.22				—	—	—		—		—		—		—	—
3700		746				1.85	803	2.12		854		2.42			907		2.78	956		3.15		997				3.49				—	—	—		—		—		—		—	—
3750		755				1.89	811	2.20		862		2.49			914		2.85	963		3.23				—		—				—	—	—		—		—		—		—	—
			LEGEND																		2.						indicates a high-static motor and drive is required.
Bhp	— Brake Horsepower Input to Fan																						3. Maximum continuous bhp is 2.90 for standard motors; 4.20 for high-static motors.
NOTES:																					4.				Standard motor drive range: 840 to 1085 rpm. High-static motor drive range is 860 to
																									1080 rpm. All other rpms require field-supplied drive.
1. Boldface indicates a field-supplied drive is required. (See Note 6.)																					5.				See page 93 for general fan performance notes.
551B102 (81/2 TONS) — STANDARD AND HIGH-STATIC MOTOR (BELT DRIVE)
Airflow																		External Static Pressure (in. wg)
				0.2			0.4			0.6						0.8			1.0					1.2					1.4			1.6					1.8			2.0
(Cfm)
			Rpm			Bhp	Rpm		Bhp	Rpm		Bhp			Rpm		Bhp	Rpm		Bhp			Rpm			Bhp				Rpm	Bhp	Rpm		Bhp		Rpm		Bhp		Rpm	Bhp
2550			557			0.71	633	0.94		697		1.18			756		1.42	811		1.69			861			1.96			908		2.24	953		2.53		1003		2.87		1045	3.28
2600			565			0.74	639	0.97		703		1.22			761		1.46	816		1.74			866			2.01			913		2.29	957		2.58		1004		2.91		1050	3.31
2700			581			0.81	652	1.04		717		1.31			773		1.55	827		1.83			878			2.12			924		2.40	967		2.70		1010		3.01		1056	3.37
2800			597			0.89	665	1.12		733		1.40			786		1.66	839		1.93			889			2.23			935		2.52	978		2.62		1019		3.13		1061	3.41
2900			613			0.97	679	1.20		745		1.50			799		1.76	850		2.04			900			2.34			946		2.65	989		2.96		1030		3.27		—	—
3000			629			1.06	694	1.29		759		1.59			812		1.88	862		2.15			911			2.46			957		2.78	1000		3.09		1040		3.41		—	—
3100			646			1.15	709	1.39		772		1.70			825		1.99	875		2.28			923			2.58			968		2.91	1011		3.24		—		—		—	—
3200			662			1.25	724	1.50		785		1.80			840		2.11	887		2.41			934			2.71			980		3.04	1022		3.38		—		—		—	—
3300			679			1.35	740	1.61		798		1.91			854		2.24	900		2.54			946			2.85			991		3.18	—		—		—		—		—	—
3400			696			1.46	756	1.73		811		2.02			868		2.37	914		2.69			959			3.00			1003		3.52	—		—		—		—		—	—
3500			712			1.57	771	1.85		824		2.14			881		2.50	928		2.84			971			3.16			1014		3.48	—		—		—		—		—	—
3600			729			1.69	787	1.98		839		2.27			894		2.64	942		2.99			984			3.32				—	—	—		—		—		—		—	—
3700			746			1.82	803	2.12		854		2.42			907		2.78	956		3.15			997			3.49				—	—	—		—		—		—		—	—
3750			755			1.89	811	2.20		862		2.49			914		2.85	963		3.23				—		—				—	—	—		—		—		—		—	—
3800			763			1.95	819	2.27		869		2.56						970		3.31				—		—				—	—	—		—		—		—		—	—
															920		2.92
3900			780			2.09	835	2.42		884		2.72			933		3.07	983		3.48				—		—				—	—	—		—		—		—		—	—
4000			796			2.23	851	2.56		900		2.89			946		3.23	—		—				—		—				—	—	—		—		—		—		—	—
4100			813			2.39	867	2.74		915		3.06			960		3.40	—		—				—		—				—	—	—		—		—		—		—	—
4200			830			2.55	883	2.91		931		3.24			—		—	—		—				—		—				—	—	—		—		—		—		—	—
4250			839			2.63	892	3.00		939		3.34			—		—	—		—				—		—				—	—	—		—		—		—		—	—
			LEGEND																		2.						indicates a high-static motor and drive is required.
Bhp	— Brake Horsepower Input to Fan																						3. Maximum continuous bhp is 2.90 for standard motors; 4.20 for high-static motors.
NOTES:																					4.				Standard motor drive range: 840 to 1085 rpm. High-static motor drive range is 860 to
																									1080 rpm. All other rpms require field-supplied drive.
1.	Boldface indicates a field-supplied drive is required. (See Note 4.)																				5.				See page 93 for general fan performance notes.

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