FAN RPM AT Motor Pulley SETTINGS* 581A210-300

PERFORMANCE DATA (cont)

OUTDOOR SOUND POWER (TOTAL UNIT)

UNIT	ARI	A-WEIGHTED				OCTAVE BANDS
UNIT	RATING	A-WEIGHTED
581A	RATING	(db)	63	125	250		500	1000	2000	4000	8000
581A	(decibels)	(db)	63	125	250		500	1000	2000	4000	8000
	(decibels)
155,180	88	87.6	90.8	88.7	86.4		84.3	83.5	78.4	75.6	66.8
210, 240	82	81.7	90.2	84.8	80.7		79.0	77.6	71.4	66.7	60.7
300	85	84.9	90.0	86.3	83.6		82.9	80.3	74.9	71.4	66.5

LEGEND

ARI — Air Conditioning and Refrigeration Institute

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog Program (ECAT) for specific operating parameters.

FAN RPM AT MOTOR PULLEY SETTINGS* — 581A210-300

581A	DRIVE					MOTOR PULLEY TURNS OPEN

		0	1/2	1	11/2	2	21/2	3	31/2	4	41/2	5	51/2	6
		0	1/2	1	11/2	2	21/2	3	31/2	4	41/2	5	51/2	6
	Low Range Vertical	647	667	687	707	727	747	767	786	806	826	846	866	886
210
210	High Range Vertical	897	917	937	958	978	998	1018	1038	1058	1079	1099	1119	1139
(208/230 and
(208/230 and	Low Range Horizontal	896	924	951	979	1006	1034	1062	1089	1117	1144	1172	1199	1227
460 volt)	Low Range Horizontal	896	924	951	979	1006	1034	1062	1089	1117	1144	1172	1199	1227
	High Range Horizontal	1113	1138	1163	1188	1213	1238	1264	1289	1314	1339	1364	1389	1414

	Low Range Vertical	810	832	854	876	897	919	941	963	985	1007	1028	1050	1072

210	High Range Vertical	873	893	912	932	951	971	991	1010	1030	1049	1069	1088	1108
(575 volt)	Low Range Horizontal	863	886	909	933	956	979	1002	1025	1048	1072	1095	1118	1141
	Low Range Horizontal	863	886	909	933	956	979	1002	1025	1048	1072	1095	1118	1141

	High Range Horizontal	1042	1062	1083	1103	1123	1143	1164	1184	1204	1224	1245	1265	1285

	Low Range Vertical	949	970	992	1013	1035	1056	1078	1099	1120	1142	1163	1185	1206
240
240	High Range Vertical	941	961	980	1000	1019	1039	1059	1078	1098	1117	1137	1156	1176
(208/230 and
(208/230 and	Low Range Horizontal	896	924	951	979	1006	1034	1062	1089	1117	1144	1172	1199	1227
460 volt)	Low Range Horizontal	896	924	951	979	1006	1034	1062	1089	1117	1144	1172	1199	1227
	High Range Horizontal	1113	1138	1163	1188	1213	1238	1264	1289	1314	1339	1364	1389	1414

	Low Range Vertical	949	970	992	1013	1035	1056	1078	1099	1120	1142	1163	1185	1206

240	High Range Vertical	941	961	980	1000	1019	1039	1059	1078	1098	1117	1137	1156	1176
(575 volt)	Low Range Horizontal	873	893	912	932	951	971	991	1010	1030	1049	1069	1088	1108
	Low Range Horizontal	873	893	912	932	951	971	991	1010	1030	1049	1069	1088	1108

	High Range Horizontal	1113	1138	1163	1188	1213	1238	1264	1289	1314	1339	1364	1389	1414

	Low Range Vertical	805	822	839	856	872	889	906	923	940	957	973	990	1007

300	High Range Vertical	941	961	980	1000	1019	1039	1059	1078	1098	1117	1137	1156	1176
(all voltages)	Low Range Horizontal	805	822	839	856	872	889	906	923	940	957	973	990	1007
	Low Range Horizontal	805	822	839	856	872	889	906	923	940	957	973	990	1007

	High Range Horizontal	941	961	980	1000	1019	1039	1059	1078	1098	1117	1137	1156	1176

*Approximate fan rpm shown.

581A155-300

242

581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.

Bryant 581A/B manual FAN RPM AT Motor Pulley SETTINGS* 581A210-300, Drive Motor Pulley Turns Open

Models: 581A/B

PERFORMANCE DATA (cont)

OUTDOOR SOUND POWER (TOTAL UNIT)

UNIT

ARI

A-WEIGHTED

OCTAVE BANDS

RATING

500

155,180

FAN RPM AT MOTOR PULLEY SETTINGS* — 581A210-300

DRIVE

MOTOR PULLEY TURNS OPEN

581A155-300

581A/B specifications