Bryant 581B Rpm Bhp Watts 900 553 134, 782 316 870 417 948, 1000 582 163, 807 358 894 466 971

Page 29

Table 20 — Fan Performance 581B036 — Horizontal 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

553

0.14

134

681

0.22

221

782

0.32

316

870

0.42

417

948

0.53

526

1000

582

0.16

163

707

0.26

257

807

0.36

358

894

0.47

466

971

0.58

580

1100

612

0.20

196

734

0.30

297

833

0.41

405

919

0.52

519

995

0.64

639

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

 

 

 

 

 

 

 

 

 

 

 

 

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

1019

0.64

640

1084

0.76

760

1146

0.89

885

1203

1.02

1016

1258

1.16

1152

1000

1042

0.70

700

1107

0.83

825

1168

0.96

956

1225

1.10

1091

1100

1065

0.77

765

1130

0.90

896

1190

1.04

1032

1247

1.18

1173

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

1300

1113

0.92

915

1177

1.06

1058

1400

1138

1.01

1000

1201

1.15

1149

1500

1163

1.10

1092

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 680 to 1044 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 1.20.

3.See page 33 for general fan performance notes.

Table 21 — Fan Performance 581B036 — Horizontal 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

553

0.14

134

681

0.22

221

782

0.32

316

870

0.42

417

948

0.53

526

1000

582

0.16

163

707

0.26

257

807

0.36

358

894

0.47

466

971

0.58

580

1100

612

0.20

196

734

0.30

297

833

0.41

405

919

0.52

519

995

0.64

639

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

 

 

 

 

 

 

 

 

 

 

 

 

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

1019

0.64

640

1084

0.76

760

1146

0.89

885

1203

1.02

1016

1258

1.16

1152

1000

1042

0.70

700

1107

0.83

825

1168

0.96

956

1225

1.10

1091

1279

1.24

1232

1100

1065

0.77

765

1130

0.90

896

1190

1.04

1032

1247

1.18

1173

1301

1.33

1319

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

1270

1.27

1262

1324

1.42

1413

1300

1113

0.92

915

1177

1.06

1058

1237

1.21

1205

1293

1.36

1358

1347

1.52

1514

1400

1138

1.01

1000

1201

1.15

1149

1261

1.31

1303

1317

1.47

1461

1370

1.63

1623

1500

1163

1.10

1092

1226

1.25

1247

1285

1.41

1407

1341

1.58

1571

1394

1.75

1740

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 2.40.

3.See page 33 for general fan performance notes.

29

Image 29
Contents Safety Considerations ContentsInstallation Provide Unit SupportIII. Determine Location of Drain Line and External Trap II. Field Fabricate DuctworkCRBTMPWR001A01 Roof Curb Unit Size Accessory CRRFCURB001A01CRBTMPWR002A01 CRBTMPWR003A01VI. Install GAS Piping Install Flue HoodIV. RIG and Place Unit Positioning581B 036 Unit Operating Weight048 060Physical Data 581B036-072 Furnace Section LOSS-OF-CHARGE SWITCH/LOW-PRESSUREFreeze Protection Thermostat OUTDOOR-AIR Inlet ScreensBase Unit Dimensions 581B036-072 Field Control Wiring Field Power SupplyHeat Anticipator Settings Steel Pipe Spacing of Supports Nominal Diameter DimensionLow-Voltage Connections With or Without Economizer Power Wiring ConnectionsFAN Motor Power Exhaust MCA MocpDisconnect SIZE† RLA LRA FLA MCA MocpFAN Motor Supply SIZE†Disconnect Switch VIII. Adjust FACTORY-INSTALLED OptionsPerfect Humidity Dehumidification System LPSManual Outdoor-Air Damper Damper Panel with Manual Outdoor-Air Damper InstalledOptional Manual Outdoor-Air Damper With Hood Attached EconoMi$er IV Standard Sensors Indoor Coil Access Panel RelocationBarometric Flow Capacity EconoMi$er IV Sensor Usage Supply Air Sensor Temperature/Resistance ValuesEconoMi$er IV Control Modes Return Air Temperature or Enthalpy Sensor Mounting Location Enthalpy Changeover Set Points Page 581B Fan Rpm at Motor Pulley Setting With High-Static Motor IX. Adjust EVAPORATOR-FAN Speed581B Fan Rpm at Motor Pulley Setting With Standard Motor Unit Maximum Unit Voltage Phase Continuous BHP581B AMP DrawEvaporator-Fan Motor Data High-Static Motors Accessory/FIOP EconoMi$er IV Static Pressure* in. wgOutdoor Sound Power Total Unit 1265 1294 1175 1346 1275 1400 1147 9721320 1310 1371 1419 1500 1175 1086 1292670 666 257 778 367 871 471 952 572701 306 810 426 901 540 981 651 7601803 16491470 1784 19671008 643 967 563805 1049 731782 316 870 417 948 Rpm Bhp Watts 900 553 1341000 582 163 807 358 894 466 971675 277 643 234 762707 326 740 382839 412 938 505 1030 605 800 350 904 438 999 535879 483 974 580 919 561753 800 350 904 438 999 535 1087 640839 412 938 505 1030 605 1115 714 829General FAN Performance Notes VII. Refrigerant Service Ports VI. Internal WiringPRE-START-UP START-UP Unit PreparationXII. Heating CoolingXI. Main Burners XV. Operating Sequence XIII. Safety ReliefThermostat Input Economizer Function 581B Unit Operation Perfect Humidity Normal Design Cooling OperationIV. ECONOMI$ER IV Adjustment Service CleaningVI. HIGH-PRESSURE Switch VII. LOSS-OF-CHARGE SwitchLow Charge Cooling To Use Cooling Charging Chart, Standard UnitPerfect Humidity System Charging Unit 581BCooling Charging Chart, Standard 581B036 Condenser FAN Must be Operating XV. Replacement Parts XII. Limit SwitchFlue GAS Passageways XI. COMBUSTION-AIR BlowerMedium High Heat Units LOW Heat UnitsOLR CAPCLO CompLED Error Code Service Analysis Troubleshooting Unit TroubleshootingSymptom Cause Remedy LED OFFProblem Cause Remedy Heating Service AnalysisProblem Cause Remedy Cooling Service AnalysisII. ECONOMI$ER IV Troubleshooting EconoMi$er IV Input/Output Logic EconoMi$er IV Troubleshooting CompletionInputs Outputs Demand Control EnthalpyIndex Page Temperatures START-UP ChecklistPreliminary Information III. START-UP Electrical
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581B specifications

The Bryant 581B is an innovative and highly efficient gas furnace that stands out in the HVAC market for its remarkable performance, reliability, and advanced features. Designed to provide optimal heating comfort, the Bryant 581B is perfect for homeowners seeking both quality and energy efficiency.

One of the main features of the Bryant 581B is its impressive Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 80%, this gas furnace maximizes energy usage, ensuring that a significant portion of the fuel is converted into heat for your home. This efficiency not only translates into lower energy bills but also reduces the carbon footprint, making it an environmentally friendly choice.

The furnace is equipped with a multi-speed blower motor that enhances comfort by providing consistent airflow throughout the home. This technology adjusts to different heating demands, ensuring that every room reaches the desired temperature without the discomfort of hot or cold spots. The quiet operation of the blower motor also adds to the overall comfort, creating a peaceful home environment.

Another notable characteristic of the Bryant 581B is its durable construction. It features a robust heat exchanger built from high-quality materials, designed to withstand the rigors of daily use. The compact design of the furnace allows it to fit seamlessly into various spaces, making it an ideal choice for both new installations and replacement projects.

The Bryant 581B also comes with advanced safety features, including a self-diagnostic control board that monitors the system's performance. This feature allows for easy troubleshooting and maintenance, prolonging the life of the furnace. Additionally, the furnace is equipped with an induced draft blower that enhances venting efficiency and safety by ensuring that combustion gases are safely expelled from the home.

For homeowners looking for enhanced control, the Bryant 581B is compatible with a range of smart thermostats, providing the ability to monitor and adjust heating settings remotely. This integration with smart technology ensures that homeowners can maintain their desired comfort levels while maximizing efficiency.

In conclusion, the Bryant 581B gas furnace is a top-tier option that combines efficiency, durability, and modern technology. With its high AFUE rating, multi-speed blower, and advanced safety features, it promises to deliver unparalleled comfort and peace of mind for years to come. Whether for a new build or an upgrade, the Bryant 581B is an investment that pays off in both comfort and savings.