Manuals / Bryant / Household Appliance / Heating System

Bryant 581A/B manual 12,000 12,500, 581A300 25 Tons Low Heat Units

Models: 581A/B

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PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

581A300 (25 TONS) (Low Heat 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

—

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

 

—

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581A300 (25 TONS) (Low Heat Units)* (cont)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 230 for general Fan Performance Data notes.

Bhp — Brake Horsepower Input to Fan

NOTE: Maximum continuous bhp is:

Watts — Input Watts to Motor

Low Range: 5.75

*Motor drive ranges:

High Range: 8.63

 

Low Range: 805-1007

 

High Range: 941-1176

 

All other rpms require field-supplied drive.

 

581A155-300

237

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Image 237
Bryant 581A/B manual 12,000 12,500, 581A300 25 Tons Low Heat Units
Page 236 Page 238

581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.