PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

581A210 (18 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

645

1105

1.27

720

1329

1.53

788

1549

1.78

851

1767

2.03

910

1982

2.28

4,000

718

1454

1.67

785

1692

1.95

848

1926

2.22

906

2158

2.48

962

2388

2.75

4,500

792

1866

2.15

853

2117

2.43

911

2364

2.72

965

2609

3.00

1017

2583

2.97

5,000

867

2343

2.69

923

2605

3.00

977

2865

3.30

1027

2845

3.27

1076

3163

3.64

5,500

943

2889

3.32

995

3162

3.64

1044

3158

3.63

1092

3497

4.02

1138

3843

4.42

6,000

1019

3177

3.65

1067

3532

4.06

1113

3892

4.48

1158

4259

4.90

1201

4631

5.33

6,500

1096

3973

4.57

1141

4354

5.01

1184

4742

5.45

1226

5136

5.91

1267

5535

6.37

7,000

1173

4894

5.63

1215

5304

6.10

1256

5719

6.58

1295

6140

7.06

1334

6567

7.55

7,500

1250

5952

6.85

1290

6389

7.35

1328

6832

7.86

1366

7281

8.37

—

—

—

8,000

1328

7153

8.23

1365

7620

8.76

—

—

—

—

—

—

—

—

—

8,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

9,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

10,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

 

581A210 (18 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

965

2195

2.53

1018

2181

2.51

1068

2442

2.81

1116

2708

3.11

1162

2979

3.43

4,000

1014

2364

2.72

1064

2644

3.04

1112

2930

3.37

1158

3221

3.70

1202

3517

4.05

4,500

1067

2882

3.31

1114

3187

3.67

1160

3498

4.02

1204

3814

4.39

1246

4135

4.76

5,000

1123

3489

4.01

1168

3820

4.39

1211

4156

4.78

1253

4497

5.17

1294

4844

5.57

5,500

1182

4194

4.82

1224

4551

5.23

1266

4913

5.65

1306

5280

6.07

1345

5652

6.50

6,000

1243

5008

5.76

1283

5391

6.20

1323

5779

6.65

1361

6172

7.10

1398

6569

7.56

6,500

1306

5939

6.83

1345

6349

7.30

1382

6763

7.78

—

—

—

—

—

—

7,000

1371

6997

8.05

—

—

—

—

—

—

—

—

—

—

—

—

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), 3.45 (575-v)

*Motor drive ranges:

High Range: 5.75

 

Low Range: 896-1227 (208/230 and 460-v), 863-1141 (575-v)

 

High Range: 1113-1414 (208/230 and 460-v), 1042-1285 (575-v)

 

All other rpms require field-supplied drive.

 

581A155-300

233

Page 232 Page 234
Page 233
Image 233
Bryant 581A/B manual 581A210 18 Tons High Heat Units
Page 232 Page 234

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.
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