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

Page 29
Image 29
Bryant 581B Rpm Bhp Watts 900 553 134, 782 316 870 417 948, 1000 582 163, 807 358 894 466 971, 1100 612 196, 1200 643 234

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.

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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.

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