Bryant 551C installation instructions 551B,C, Belt Drive

551B,C

Table 17—Fan Performance 551B 048, 551C 048 — 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
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
1600	811		0.49	487	909	0.63	629	994	0.78	774	1071	0.93	923	1141	1.08	1076
1700	849		0.57	565	943	0.72	715	1026	0.87	869	1101	1.03	1025	1170	1.19	1185
1800	887		0.65	651	978	0.81	810	1059	0.98	972	1133	1.14	1136	—	—	—
1900	926		0.75	746	1014	0.92	914	1092	1.09	1084	—	—	—	—	—	—
2000	965		0.86	852	1050	1.03	1028	—	—	—	—	—	—	—	—	—
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	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	—	—	—	—	—	—	—	—	—	—	—	—
1600	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—
1700	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—
1800	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—
1900	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—
2000	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—
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: 770 to 1185 rpm. All other rpms require field-supplied
									drive.
		Table 18—Fan Performance 551B 048, 551C 048 — 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
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
1600	811		0.49	487	909	0.63	629	994	0.78	774	1071	0.93	923	1141	1.08	1076
1700	849		0.57	565	943	0.72	715	1026	0.87	869	1101	1.03	1025	1170	1.19	1185
1800	887		0.65	651	978	0.81	810	1059	0.98	972	1133	1.14	1136	1200	1.31	1304
1900	926		0.75	746	1014	0.92	914	1092	1.09	1084	1164	1.26	1257	1231	1.44	1432
2000	965		0.86	852	1050	1.03	1028	1127	1.21	1206	1197	1.39	1387	1262	1.58	1570
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	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
1600	1206		1.24	1231	1268	1.40	1391	1326	1.56	1553	1381	1.73	1719	1433	1.90	1888
1700	1235		1.36	1349	1295	1.52	1515	1352	1.69	1685	1407	1.87	1858	1459	2.04	2034
1800	1264		1.48	1475	1323	1.66	1649	1380	1.84	1826	1434	2.02	2006	1485	2.20	2189
1900	1293		1.62	1611	1352	1.80	1792	1408	1.99	1976	1461	2.17	2163	1512	2.37	2353
2000	1324		1.77	1756	1381	1.96	1945	1436	2.15	2137	1489	2.34	2332	—	—	—
NOTES:										LEGEND
1. Bold 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.

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