PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)*

 

 

 

 

 

 

 

 

 

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

2250

505

0.52

484

586

0.73

681

657

0.97

901

722

1.22

1142

782

1.50

1403

2300

513

0.55

509

592

0.76

708

663

1.00

931

727

1.26

1174

787

1.54

1437

2400

527

0.60

561

605

0.82

766

674

1.07

993

738

1.33

1241

796

1.62

1508

2500

543

0.66

617

618

0.89

828

686

1.14

1060

748

1.41

1312

806

1.70

1583

2550

550

0.69

647

625

0.92

860

692

1.17

1095

754

1.45

1349

811

1.74

1623

2600

558

0.73

677

632

0.96

894

698

1.21

1131

759

1.49

1388

816

1.78

1664

2700

574

0.80

742

645

1.03

964

710

1.29

1207

770

1.58

1469

826

1.88

1749

2800

589

0.87

811

659

1.11

1039

723

1.38

1287

782

1.67

1554

837

1.97

1839

2900

605

0.95

885

673

1.20

1119

736

1.47

1372

794

1.76

1644

848

2.07

1933

3000

621

1.03

963

688

1.29

1204

749

1.57

1463

806

1.87

1740

859

2.18

2033

3100

637

1.12

1046

702

1.39

1293

762

1.67

1558

818

1.97

1840

871

2.29

2139

3200

654

1.22

1135

717

1.49

1388

776

1.78

1658

831

2.09

1946

—

—

—

3300

670

1.32

1228

732

1.60

1488

789

1.89

1764

843

2.21

2057

—

—

—

3400

686

1.42

1328

747

1.71

1593

803

2.01

1876

856

2.33

2174

—

—

—

3500

703

1.54

1433

762

1.83

1705

817

2.14

1993

—

—

—

—

—

—

3600

720

1.66

1543

777

1.95

1822

832

2.27

2116

—

—

—

—

—

—

3700

736

1.78

1660

793

2.09

1944

—

—

—

—

—

—

—

—

—

3750

745

1.85

1721

801

2.15

2008

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (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

2250

838

1.81

1683

891

2.12

1981

—

—

—

—

—

—

—

—

—

2300

842

1.84

1719

895

2.17

2019

—

—

—

—

—

—

—

—

—

2400

851

1.92

1793

903

2.25

2097

—

—

—

—

—

—

—

—

—

2500

860

2.01

1873

911

2.34

2180

—

—

—

—

—

—

—

—

—

2550

865

2.05

1914

916

2.38

2223

—

—

—

—

—

—

—

—

—

2600

869

2.10

1957

—

—

—

—

—

—

—

—

—

—

—

—

2700

879

2.19

2046

—

—

—

—

—

—

—

—

—

—

—

—

2800

889

2.29

2140

—

—

—

—

—

—

—

—

—

—

—

—

2900

899

2.40

2239

—

—

—

—

—

—

—

—

—

—

—

—

3000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3100

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3200

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3300

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3400

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3600

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3700

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3750

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

LEGEND

NOTES:

Bhp — Brake Horsepower Input to Fan

1.

Boldface indicates field-supplied drive is required.

2.

Maximum continuous bhp is 2.40.

Watts — Input Watts to Motor

3.

See page 70 for General Fan Performance Notes.

 

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied drive.

580F036-151

61

Page 60 Page 62
Page 61
Image 61
Bryant 581A/B manual 901, 708, 766, 894, 963, 1046, 1135, 1228
Page 60 Page 62

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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