Bryant 551C, 551B installation instructions Belt Drive

Table 15—Fan Performance 551B 036, 551C 036 — Vertical Discharge Units; Standard 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	566		0.14		142		690		0.23	228	791		0.32		320		879	0.42		418		957		0.52		522
1000	598		0.17		173		718		0.27	267	817		0.37		366		903	0.47		471		981		0.58		581
1100	632		0.21		210		748		0.31	311	844		0.42		418		929	0.53		530		1006		0.65		646
1200	666		0.25		252		778		0.36	361	873		0.48		476		956	0.60		594		1031		0.72		718
1300	701		0.30		300		809		0.42	418	902		0.54		540		983	0.67		665		1057		0.80		796
1400	737		0.36		355		842		0.48	481	932		0.61		610		1012	0.75		744		1085		0.89		881
1500	774		0.42		417		875		0.55	551	962		0.69		689		1041	0.83		830		1112		0.98		974
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	551B,C
900		1029		0.63		630		1095	0.75	742		1157		0.86		859	1216		0.99		980		1272		1.11	1105
1000		1052		0.70		695		1118	0.82	814		1179		0.94		937	1237		1.07		1064		1293		1.20	1195
1100		1076		0.77		767		1141	0.90	892		1202		1.03		1021	1260		1.16		1154		—		—	—
1200		1100		0.85		845		1165	0.98	977		1225		1.12		1112	—		—		—		—		—	—
1300		1126		0.94		930		1189	1.07	1069		—		—		—	—		—		—		—		—	—
1400		1152		1.03		1023		1215	1.17	1168		—		—		—	—		—		—		—		—	—
1500		1179		1.13		1123		—	—	—		—		—		—	—		—		—		—		—	—
NOTES:																LEGEND

1.	Bold 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 16—Fan Performance 551B 036, 551C 036 — Vertical Discharge Units; 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	566	0.14	142	690	0.23	228	791	0.32	320	879	0.42	418	957	0.52	522
1000	598	0.17	173	718	0.27	267	817	0.37	366	903	0.47	471	981	0.58	581
1100	632	0.21	210	748	0.31	311	844	0.42	418	929	0.53	530	1006	0.65	646
1200	666	0.25	252	778	0.36	361	873	0.48	476	956	0.60	594	1031	0.72	718
1300	701	0.30	300	809	0.42	418	902	0.54	540	983	0.67	665	1057	0.80	796
1400	737	0.36	355	842	0.48	481	932	0.61	610	1012	0.75	744	1085	0.89	881
1500	774	0.42	417	875	0.55	551	962	0.69	689	1041	0.83	830	1112	0.98	974
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	1029	0.63	630	1095	0.75	742	1157	0.86	859	1216	0.99	980	1272	1.11	1105
1000	1052	0.70	695	1118	0.82	814	1179	0.94	937	1237	1.07	1064	1293	1.20	1195
1100	1076	0.77	767	1141	0.90	892	1202	1.03	1021	1260	1.16	1154	1314	1.30	1291
1200	1100	0.85	845	1165	0.98	977	1225	1.12	1112	1282	1.26	1252	1337	1.40	1395
1300	1126	0.94	930	1189	1.07	1069	1249	1.22	1211	1306	1.36	1356	1360	1.51	1506
1400	1152	1.03	1023	1215	1.17	1168	1274	1.32	1317	1330	1.48	1469	1384	1.63	1625
1500	1179	1.13	1123	1241	1.28	1275	1300	1.44	1431	1355	1.60	1590	1408	1.76	1752
NOTES:									LEGEND

1.	Bold 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.

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