Bryant 581B 666 257 778 367 871 471 952 572, 670, 701 306 810 426 901 540 981 651, 760, 2078, 556

Page 26

Table 14 — Fan Performance 581B048 — 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

0.26

257

778

0.37

367

871

0.47

471

952

0.57

572

1025

0.67

670

1300

701

0.31

306

810

0.43

426

901

0.54

540

981

0.65

651

1053

0.76

760

1400

737

0.36

361

842

0.49

491

931

0.62

616

1010

0.74

738

1081

0.86

856

1500

773

0.42

422

875

0.57

564

963

0.70

699

1040

0.84

831

1110

0.96

960

1600

810

0.49

491

909

0.65

643

994

0.79

790

1070

0.94

932

1140

1.08

1070

1700

847

0.57

567

943

0.73

730

1027

0.89

888

1101

1.05

1040

1170

1.20

1189

1800

885

0.66

652

978

0.83

826

1060

1.00

994

1133

1.16

1157

1200

1.32

1316

1900

923

0.75

745

1014

0.94

930

1093

1.11

1109

1165

1.29

1283

1231

1.46

1453

2000

962

0.85

847

1049

1.05

1043

1127

1.24

1233

1198

1.42

1417

1263

1.61

1598

 

 

 

 

 

 

 

 

 

 

 

 

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

1093

0.77

767

1155

0.87

861

1213

0.96

955

1268

1.05

1047

1321

1.14

1137

1300

1119

0.87

866

1181

0.98

970

1239

1.08

1073

1294

1.18

1175

1346

1.28

1275

1400

1147

0.98

972

1208

1.09

1086

1265

1.21

1199

1320

1.32

1310

1371

1.43

1419

1500

1175

1.09

1086

1235

1.22

1209

1292

1.34

1332

1346

1.46

1452

1397

1.58

1572

1600

1204

1.21

1207

1263

1.35

1340

1320

1.48

1472

1373

1.61

1603

1424

1.74

1732

1700

1233

1.34

1336

1292

1.49

1480

1348

1.63

1622

1401

1.77

1762

1451

1.91

1901

1800

1262

1.48

1473

1321

1.64

1627

1376

1.79

1779

1428

1.94

1930

1479

2.09

2078

1900

1293

1.63

1620

1350

1.79

1784

1405

1.96

1946

1457

2.12

2106

1506

2.28

2265

2000

1323

1.79

1776

1380

1.96

1950

1434

2.13

2123

1486

2.31

2293

—

—

—

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.

Table 15 — Fan Performance 581B060, Single-Phase — 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

1500

848

0.42

371

968

0.55

486

1069

0.68

600

1158

0.80

715

1238

0.94

831

1600

887

0.49

433

1004

0.63

556

1103

0.76

678

1190

0.90

800

1269

1.04

922

1700

927

0.57

502

1040

0.71

633

1137

0.86

763

1223

1.00

892

1302

1.15

1022

1800

967

0.65

579

1077

0.81

718

1172

0.96

856

1257

1.12

993

1334

1.27

1130

1900

1007

0.75

663

1115

0.91

811

1208

1.08

957

1291

1.24

1101

—

—

—

2000

1048

0.85

757

1153

1.03

913

1244

1.20

1066

—

—

—

—

—

—

2100

1090

0.97

859

1191

1.15

1023

—

—

—

—

—

—

—

—

—

2200

1131

1.09

970

1230

1.29

1143

—

—

—

—

—

—

—

—

—

2300

1173

1.23

1091

—

—

—

—

—

—

—

—

—

—

—

—

2400

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

 

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

1500

1312

1.07

948

1380

1.20

1067

—

—

—

—

—

—

—

—

—

1600

1342

1.18

1047

—

—

—

—

—

—

—

—

—

—

—

—

1700

1374

1.30

1153

—

—

—

—

—

—

—

—

—

—

—

—

1800

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

1900

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2100

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2200

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2300

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2400

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 1035 to 1460 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 1.30.

3.See page 33 for general fan performance notes.

—26—

Page 25 Page 27
Image 26
Page 25 Page 27
Contents Installation ContentsSafety Considerations Provide Unit SupportII. Field Fabricate Ductwork III. Determine Location of Drain Line and External TrapCRBTMPWR002A01 Roof Curb Unit Size Accessory CRRFCURB001A01CRBTMPWR001A01 CRBTMPWR003A01IV. RIG and Place Unit Install Flue HoodVI. Install GAS Piping Positioning048 Unit Operating Weight581B 036 060Physical Data 581B036-072 Freeze Protection Thermostat LOSS-OF-CHARGE SWITCH/LOW-PRESSUREFurnace Section OUTDOOR-AIR Inlet ScreensBase Unit Dimensions 581B036-072 Heat Anticipator Settings Field Power SupplyField Control Wiring Steel Pipe Spacing of Supports Nominal Diameter DimensionPower Wiring Connections Low-Voltage Connections With or Without EconomizerDisconnect SIZE† Power Exhaust MCA MocpFAN Motor RLA LRA FLA MCA MocpSIZE† FAN Motor SupplyPerfect Humidity Dehumidification System VIII. Adjust FACTORY-INSTALLED OptionsDisconnect Switch LPSDamper Panel with Manual Outdoor-Air Damper Installed Manual Outdoor-Air DamperOptional Manual Outdoor-Air Damper With Hood Attached Indoor Coil Access Panel Relocation EconoMi$er IV Standard SensorsBarometric Flow Capacity EconoMi$er IV Sensor Usage Supply Air Sensor Temperature/Resistance ValuesEconoMi$er IV Control Modes Return Air Temperature or Enthalpy Sensor Mounting Location Enthalpy Changeover Set Points Page 581B Fan Rpm at Motor Pulley Setting With High-Static Motor IX. Adjust EVAPORATOR-FAN Speed581B Fan Rpm at Motor Pulley Setting With Standard Motor 581B Phase Continuous BHPUnit Maximum Unit Voltage AMP DrawEvaporator-Fan Motor Data High-Static Motors Accessory/FIOP EconoMi$er IV Static Pressure* in. wgOutdoor Sound Power Total Unit 1320 1310 1371 1419 1500 1175 1086 1294 1175 1346 1275 1400 1147 9721265 1292701 306 810 426 901 540 981 651 666 257 778 367 871 471 952 572670 7601470 1784 16491803 1967805 967 5631008 643 1049 7311000 582 163 Rpm Bhp Watts 900 553 134782 316 870 417 948 807 358 894 466 971707 326 643 234 762675 277 740 382879 483 974 580 800 350 904 438 999 535839 412 938 505 1030 605 919 561839 412 938 505 1030 605 1115 714 800 350 904 438 999 535 1087 640753 829General FAN Performance Notes PRE-START-UP VI. Internal WiringVII. Refrigerant Service Ports START-UP Unit PreparationXII. Heating CoolingXI. Main Burners XIII. Safety Relief XV. Operating SequencePerfect Humidity Normal Design Cooling Operation Thermostat Input Economizer Function 581B Unit OperationVI. HIGH-PRESSURE Switch Service CleaningIV. ECONOMI$ER IV Adjustment VII. LOSS-OF-CHARGE SwitchPerfect Humidity System Charging To Use Cooling Charging Chart, Standard UnitLow Charge Cooling Unit 581BCooling Charging Chart, Standard 581B036 Condenser FAN Must be Operating Flue GAS Passageways XII. Limit SwitchXV. Replacement Parts XI. COMBUSTION-AIR BlowerLOW Heat Units Medium High Heat UnitsCLO CAPOLR CompSymptom Cause Remedy Troubleshooting Unit TroubleshootingLED Error Code Service Analysis LED OFFHeating Service Analysis Problem Cause RemedyCooling Service Analysis Problem Cause RemedyII. ECONOMI$ER IV Troubleshooting Inputs Outputs EconoMi$er IV Troubleshooting CompletionEconoMi$er IV Input/Output Logic Demand Control EnthalpyIndex Page Preliminary Information START-UP ChecklistTemperatures III. START-UP Electrical
Related manuals
Manual 40 pages 47.12 Kb Manual 64 pages 44.36 Kb

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.
Top Page Image Contents