PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

581A210 (18 TONS) (High Heat Units)*

 

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

 

 

 

 

Available External Static Pressure (in. wg)

 

 

 

 

 

 

0.2

 

 

 

0.4

 

 

0.6

 

 

0.8

 

 

1.0

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

Watts

Bhp

 

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

3500

470

611

0.70

 

556

791

0.91

630

967

1.11

697

1141

1.31

760

1314

1.51

4000

511

802

0.92

 

591

1001

1.15

661

1194

1.37

725

1383

1.59

784

1572

1.81

4500

553

1029

1.18

 

629

1248

1.44

695

1458

1.68

756

1663

1.91

812

1866

2.15

5000

597

1297

1.49

 

669

1534

1.76

732

1761

2.03

789

1982

2.28

843

2201

2.53

5500

641

1606

1.85

 

709

1862

2.14

770

2106

2.42

825

2343

2.70

876

2577

2.96

6000

686

1961

2.26

 

751

2234

2.57

809

2495

2.87

862

2749

3.16

911

2997

3.45

6500

732

2363

2.72

 

794

2653

3.05

849

2931

3.37

900

3201

3.68

948

3465

3.99

7000

779

2815

3.24

 

837

3122

3.59

891

3416

3.93

940

3702

4.26

986

3981

4.58

7500

826

3320

3.82

 

882

3642

4.19

933

3953

4.55

980

4254

4.89

1025

4549

5.23

8000

873

3879

4.46

 

926

4217

4.85

975

4542

5.22

1021

4860

5.59

1065

5169

5.95

8500

921

4495

5.17

 

972

4847

5.57

1019

5189

5.97

1063

5521

6.35

1105

5846

6.72

 

 

 

 

 

 

 

 

 

 

 

 

581A210 (18 TONS) (High Heat Units)* (cont)

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

 

 

 

 

Available External Static Pressure (in. wg)

 

 

 

 

 

 

1.2

 

 

 

1.4

 

 

1.6

 

 

1.8

 

 

2.0

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

Watts

Bhp

 

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

3500

818

1488

1.71

 

874

1661

1.91

927

1835

2.11

978

2008

2.31

1026

2182

2.51

4000

840

1760

2.02

 

893

1948

2.24

943

2136

2.46

992

2324

2.67

1039

2512

2.89

4500

865

2068

2.38

 

915

2270

2.61

964

2472

2.84

1011

2673

3.07

1056

2876

3.31

5000

893

2417

2.78

 

942

2632

3.03

988

2848

3.28

1033

3063

3.52

1076

3278

3.77

5500

925

2808

3.23

 

971

3037

3.49

1016

3266

3.76

1059

3494

4.02

1100

3721

4.28

6000

958

3243

3.73

 

1003

3486

4.01

1045

3728

4.29

1087

3970

4.57

1127

4210

4.84

6500

993

3725

4.28

 

1036

3982

4.58

1077

4238

4.87

1117

4492

5.17

1156

4745

5.46

7000

1029

4256

4.90

 

1071

4528

5.21

1111

4797

5.52

1150

5064

5.82

1187

5330

6.13

7500

1067

4838

5.56

 

1107

5124

5.89

1146

5407

6.22

1184

5688

6.54

1220

5967

6.86

8000

1106

5474

6.30

 

1145

5774

6.64

1182

6071

6.98

1219

6365

7.32

1254

6657

7.66

8500

1145

6165

7.09

 

1183

6479

7.45

1220

6790

7.81

1255

7098

8.16

1290

7403

8.51

 

 

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)

High Range: 5.75

*Motor drive ranges:

Low Range: 647-886 (208/230 and 460-v), 810-1072 (575-v)

High Range: 897-1139 (208/230 and 460-v), 873-1108 (575-v) All other rpms require field-supplied drive.

581A155-300

224

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Image 224
Bryant 581A/B manual 224

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.