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

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

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)

 

 

 

 

 

 

 

 

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

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

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

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)

 

 

 

 

 

 

 

 

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

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Range: 941-1176

High Range: 1014-1297

All other rpms require field-supplied drive.

27

Page 27
Image 27
Bryant operation manual Fan Performance 581A300 Low Heat Horizontal Discharge Units

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.

Another key characteristic of the Bryant 581A is its durable construction. Designed to withstand various weather conditions, the unit features a robust cabinet that protects internal components. This durability not only prolongs the lifespan of the system but also minimizes the need for frequent maintenance or repairs. The coil design is optimized for heat transfer efficiency, enhancing the unit's overall performance in both cooling and heating modes.

In terms of technology, the Bryant 581A incorporates advanced control systems that enable precise temperature regulation. The multi-stage cooling capabilities ensure that the system can adapt to varying temperature demands, providing comfort in all seasons. Additionally, the model is compatible with smart thermostats, allowing homeowners to control their HVAC system remotely via smartphone or other connected devices.

Noise reduction is another aspect where the Bryant 581A excels. Equipped with a variable-speed compressor and sound-dampening features, this model operates quietly, minimizing disruption in residential or office environments. This focus on acoustic comfort makes it an ideal choice for those who value a peaceful living or working space.

Overall, the Bryant 581A represents an excellent balance of efficiency, durability, and modern technology. With features aimed at enhancing user comfort and reducing operational costs, it stands out as a reliable solution in the competitive HVAC market. Whether for new installations or replacements, the Bryant 581A is a testament to the brand’s commitment to quality and innovation in home climate control.