Bryant operation manual Fan Performance 581A300 Low Heat Horizontal Discharge Units

Page 27

Table 20 — Fan Performance — 581A300 Low Heat Horizontal Discharge Units*

AIRFLOW										EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW					0.2				0.4			0.6				0.8			1.0
(Cfm)					0.2				0.4			0.6				0.8			1.0
			Rpm		Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
6,500			786		2,658	3.06		819	2,835	3.26	857	3,052	3.51		899	3,304	3.80	943	3,586	4.12
7,000			842		3,208	3.69		871	3,386	3.89	905	3,599	4.14		943	3,847	4.42	983	4,123	4.74
7,500			898		3,827	4.40		925	4,006	4.61	955	4,217	4.85		989	4,460	5.13	1026	4,733	5.44
8,000			955		4,518	5.20		979	4,699	5.40	1007	4,908	5.65		1037	5,148	5.92	1070	5,416	6.23
8,500			1012		5,284	6.08		1034	5,466	6.29	1059	5,675	6.53		1087	5,912	6.80	1117	6,176	7.10
9,000			1069		6,127	7.05		1090	6,312	7.26	1113	6,521	7.50		1138	6,757	7.77	1165	7,017	8.07
9,500			1127		7,050	8.11		1146	7,238	8.32	1167	7,448	8.57		1190	7,682	8.84	1215	7,940	9.13
10,000			1184		8,057	9.27		1202	8,247	9.49	1221	8,460	9.73		1243	8,693	10.00	1266	8,948	10.29
10,500			1242		9,149	10.52		1258	9,344	10.75	1276	9,557	10.99		1296	9,791	11.26	1318	10,046	11.55
11,000			1299		10,331	11.88		1315	10,529	12.11	1332	10,745	12.36		1350	10,979	12.63	1370	11,232	12.92
11,500			1357		11,604	13.35		1372	11,806	13.58	—	—	—		—	—	—	—	—	—
12,000			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—

AIRFLOW										EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW					1.2				1.4			1.6				1.8			2.0
(Cfm)					1.2				1.4			1.6				1.8			2.0
			Rpm		Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
6,500			988		3,900	4.49		1035	4,248	4.89	1082	4,632	5.33		1129	5,050	5.81	1177	5,499	6.32
7,000			1024		4,428	5.09		1066	4,760	5.48	1109	5,124	5.89		1153	5,521	6.35	1197	5,950	6.84
7,500			1063		5,031	5.79		1102	5,354	6.16	1141	5,703	6.56		1181	6,081	6.99	1221	6,487	7.46
8,000			1105		5,709	6.57		1140	6,025	6.93	1176	6,364	7.32		1213	6,729	7.74	1250	7,116	8.18
8,500			1149		6,465	7.44		1181	6,777	7.79	1215	7,109	8.18		1249	7,463	8.58	1283	7,838	9.02
9,000			1194		7,302	8.40		1225	7,608	8.75	1256	7,935	9.13		1287	8,282	9.53	1319	8,649	9.95
9,500			1242		8,222	9.46		1270	8,524	9.80	1298	8,847	10.17		1328	9,189	10.57	1358	9,548	10.98
10,000			1290		9,227	10.61		1316	9,525	10.96	1343	9,845	11.32		1370	10,181	11.71	1399	10,536	12.12
10,500			1340		10,321	11.87		1364	10,617	12.21	1389	10,932	12.57		—	—	—	—	—	—
11,000			1391		11,505	13.23		—	—	—	—	—	—		—	—	—	—	—	—
11,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,000			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
			LEGEND									Refer to page 23 for general Fan Performance Data notes.
Bhp	—	Brake Horsepower Input to Fan										NOTE: Maximum continuous bhp is:
Watts	—	Input Watts to Motor										Low Range: 8.63
*Motor drive ranges:												High Range: 11.50
*Motor drive ranges:
Low Range: 941-1176
High Range: 1014-1297
All other rpms require field-supplied drive.
					Table 21 — Fan Performance — 581A300 Medium Heat Horizontal Discharge Units*

AIRFLOW										EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW					0.2				0.4			0.6				0.8			1.0
(Cfm)					0.2				0.4			0.6				0.8			1.0
			Rpm		Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
6,500			799		2,730	3.14		833	2,914	3.35	872	3,135	3.61		914	3,392	3.90	958	3,687	4.24
7,000			856		3,294	3.79		887	3,481	4.00	921	3,699	4.25		958	3,950	4.54	999	4,235	4.87
7,500			913		3,929	4.52		941	4,118	4.74	972	4,335	4.99		1006	4,582	5.27	1042	4,860	5.59
8,000			971		4,637	5.33		996	4,829	5.55	1024	5,046	5.80		1055	5,290	6.08	1088	5,562	6.40
8,500			1029		5,421	6.24		1052	5,617	6.46	1078	5,835	6.71		1106	6,077	6.99	1136	6,345	7.30
9,000			1087		6,285	7.23		1108	6,484	7.46	1132	6,703	7.71		1158	6,946	7.99	1185	7,211	8.29
9,500			1145		7,231	8.32		1165	7,433	8.55	1187	7,655	8.80		1211	7,898	9.08	1236	8,161	9.39
10,000			1203		8,262	9.50		1222	8,468	9.74	1243	8,693	10.00		1265	8,936	10.28	1288	9,199	10.58
10,500			1261		9,381	10.79		1279	9,592	11.03	1299	9,820	11.29		1319	10,065	11.58	1341	10,327	11.88
11,000			1320		10,592	12.18		1337	10,807	12.43	1355	11,038	12.70		1374	11,284	12.98	1394	11,547	13.28
11,500			1378		11,896	13.68		—	—	—	—	—	—		—	—	—	—	—	—
12,000			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—

AIRFLOW										EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW					1.2				1.4			1.6				1.8			2.0
(Cfm)					1.2				1.4			1.6				1.8			2.0
			Rpm		Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
6,500			1005		4,020	4.62		1052	4,390	5.05	1100	4,791	5.51		1148	5,221	6.00	1195	5673	6.52
7,000			1041		4,555	5.24		1084	4,908	5.64	1128	5,294	6.09		1172	5,710	6.57	1217	6153	7.08
7,500			1080		5,168	5.94		1119	5,508	6.33	1160	5,878	6.76		1201	6,279	7.22	1242	6708	7.71
8,000			1122		5,862	6.74		1158	6,190	7.12	1195	6,548	7.53		1233	6,934	7.97	1272	7347	8.45
8,500			1167		6,638	7.63		1200	6,959	8.00	1234	7,305	8.40		1269	7,677	8.83	1304	8076	9.29
9,000			1214		7,499	8.63		1244	7,813	8.99	1275	8,149	9.37		1308	8,511	9.79	1340	8896	10.23
9,500			1262		8,447	9.72		1290	8,754	10.07	1319	9,084	10.45		1349	9,437	10.85	1379	9812	11.28
10,000			1312		9,482	10.91		1338	9,785	11.25	1365	10,110	11.63		1392	10,454	12.02	—	—	—
10,500			1363		10,608	12.20		1387	10,909	12.55	—	—	—		—	—	—	—	—	—
11,000			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
11,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,000			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
12,500			—		—	—		—	—	—	—	—	—		—	—	—	—	—	—
			LEGEND									Refer to page 23 for general Fan Performance Data notes.
Bhp	—	Brake Horsepower Input to Fan										NOTE: Maximum continuous bhp is:
Watts	—	Input Watts to Motor										Low Range: 8.63
*Motor drive ranges:												High Range: 11.50
*Motor drive ranges:

Low Range: 941-1176

High Range: 1014-1297

All other rpms require field-supplied drive.

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Contents Contents Safety ConsiderationsInstallation Provide Unit Support III. RIG and Place Unit II. Remove Shipping RailsRoof Curb Details Shipping Rail Removal Base Unit Dimensions Compressor Physical DataFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Horizontal Applications Vertical ConfigurationIV. Field Fabricate Ductwork Make Unit Duct ConnectionsVI. Install Flue Hood and Inlet Hood VIII. Install GAS PipingVII. Trap Condensate Drain Field Power Supply Field Control WiringIX. Make Electrical Connections Manual Damper Assembly Install OUTDOOR-AIR HoodFLA MCA Mocp Electrical Data Units Without Convenience OutletElectrical Data Units With Optional Convenience Outlet Outdoor-Air Hood Details XII. NON-FUSED Disconnect XIII. Install ALL AccessoriesSTART-UP III. Refrigerant Service PortsVI. Internal Wiring PRE-START-UPXI. GAS Heat VIII. Condenser Fans and MotorsIX. RETURN-AIR Filters OUTDOOR-AIR Inlet ScreensFan Performance 581A210 Medium Heat Vertical Discharge Units Fan Performance 581A240 Low Heat Vertical Discharge Units Fan Performance 581A210 High Heat Vertical Discharge UnitsFan Performance 581A240 High Heat Vertical Discharge Units Fan Performance 581A240 Medium Heat Vertical Discharge UnitsFan Performance 581A300 Medium Heat Vertical Discharge Units Fan Performance 581A300 Low Heat Vertical Discharge UnitsGeneral Notes for Tables Fan Performance 581A300 High Heat Vertical Discharge UnitsFan Performance 581A210 Low Heat Horizontal Discharge Units Fan Performance 581A240 Low Heat Horizontal Discharge Units Fan Performance 581A210 High Heat Horizontal Discharge UnitsFan Performance 581A240 High Heat Horizontal Discharge Units Fan Performance 581A300 Low Heat Horizontal Discharge Units Fan Performance 581A300 High Heat Horizontal Discharge Units Power Exhaust Fan PerformanceOperation Air Quantity Limits Evaporator Fan Motor SpecificationsXII. Optional ECONOMI$ER Accessory/FIOP Static Pressure in. wgFan Rpm at Motor Pulley Settings EconoMi$er IV Controller Wiring and Operational ModesEconoMi$er IV Component Locations Exploded View Supply-Air Temperature Sensor LocationEconoMi$er IV Wiring Enthalpy Changeover Set Points Page CO2 Sensor Standard Settings XII. Operating SequenceCooling, Units Without Economizer Cooling, Units With EconoMi$er Service CleaningCoil Maintenance and Cleaning Recommendation Heating, Units Without EconomizerMain Burner Condensate DrainFilters Outdoor-Air Inlet ScreensII. Lubrication III. Evaporator FAN Service and ReplacementVI. CONDENSER-FAN Adjustment Fig IV. Evaporator FAN Performance AdjustmentBelt Tension Adjustment Belt Tension AdjustmentVII. Power Failure IX. GAS Valve AdjustmentVIII. Refrigerant Charge Main Burners XI. Filter DrierXII. Protective Devices XV. Replacement Parts XIII. Relief DevicesXIV. Control Circuit Low Voltage Control Schematic Low Voltage Control Schematic Power Schematic Component Arrangement Cooling Service Analysis Troubleshooting Unit TroubleshootingProblem Cause Remedy Heating Service AnalysisIGC Control Heating and Cooling II. ECONOMI$ER IV Troubleshooting EconoMi$er IV Input/Output Logic EconoMi$er IV Troubleshooting CompletionCopyright 2005 Bryant Heating & Cooling Systems Catalog no Page Page Page Pressures START-UP ChecklistTemperatures Electrical

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581A specifications

The Bryant 581A is a pivotal model in the realm of heating, ventilation, and air conditioning (HVAC) systems, known for its robust performance and energy efficiency. As part of the Bryant product lineup, the 581A offers a blend of innovative technologies combined with reliable engineering, making it a suitable choice for both residential and light commercial applications.

One of the standout features of the Bryant 581A is its outstanding energy efficiency. With a Seasonal Energy Efficiency Ratio (SEER) rating of up to 16, this model meets Energy Star qualifications, ensuring that homeowners can enjoy lower utility bills while helping to reduce their environmental footprint. The efficiency is further enhanced by the unit’s environmentally friendly refrigerant, which not only improves performance but also aligns with modern sustainability standards.

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