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Bryant 581A/B manual 581A240 20 Tons High Heat Units

Models: 581A/B

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PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

581A240 (20 TONS) (High 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

3,500

652

1123

1.29

726

1347

1.55

793

1567

1.80

856

1784

2.05

914

2000

2.30

4,000

725

1479

1.70

792

1716

1.97

854

1950

2.24

912

2182

2.51

967

2412

2.77

4,500

800

1897

2.18

861

2148

2.47

918

2395

2.75

972

2639

3.04

1024

2620

3.01

5,000

875

2383

2.74

931

2645

3.04

984

2904

3.34

1035

2892

3.33

1083

3212

3.69

5,500

952

2937

3.38

1003

2883

3.32

1053

3217

3.70

1100

3558

4.09

1145

3905

4.49

6,000

1029

3249

3.74

1077

3605

4.15

1123

3966

4.56

1167

4334

4.98

1210

4707

5.41

6,500

1106

4061

4.67

1151

4445

5.11

1194

4834

5.56

1236

5229

6.01

1276

5629

6.47

7,000

1184

5003

5.75

1226

5414

6.23

1266

5831

6.71

1306

6253

7.19

1344

6681

7.68

7,500

1262

6083

7.00

1302

6522

7.50

1340

6967

8.01

1377

7417

8.53

—

—

—

8,000

1341

7312

8.41

1378

7779

8.95

—

—

—

—

—

—

—

—

—

8,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

10,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

 

581A240 (20 TONS) (High 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

3,500

970

2213

2.55

1022

2203

2.53

1072

2464

2.83

1120

2730

3.14

1166

3002

3.45

4,000

1019

2393

2.75

1069

2673

3.07

1117

2959

3.40

1163

3251

3.74

1207

3548

4.08

4,500

1073

2920

3.36

1120

3226

3.71

1165

3537

4.07

1209

3854

4.43

1252

4176

4.80

5,000

1130

3537

4.07

1174

3870

4.45

1218

4207

4.84

1259

4549

5.23

1300

4896

5.63

5,500

1189

4257

4.90

1232

4614

5.31

1273

4977

5.72

1313

5345

6.15

1352

5719

6.58

6,000

1251

5086

5.85

1292

5469

6.29

1331

5859

6.74

1369

6253

7.19

—

—

—

6,500

1315

6035

6.94

1354

6446

7.41

1391

6861

7.89

—

—

—

—

—

—

7,000

1381

7114

8.18

—

—

—

—

—

—

—

—

—

—

—

—

7,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

8,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

8,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

10,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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: 4.25 (208/230 and 460-v), 5.75 (575-v)

*Motor drive ranges:

High Range: 5.75

 

Low Range: 896-1227 (208/230 and 460-v), 873-1108 (575-v)

 

High Range: 1113-1414

 

All other rpms require field-supplied drive.

 

581A155-300

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Bryant 581A/B manual 581A240 20 Tons High Heat Units
Page 235 Page 237

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.