PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F121 (10 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

3000

592

0.77

672

658

0.93

 

817

719

1.10

961

775

1.26

1105

828

1.42

1249

3100

607

0.83

731

672

1.00

 

881

731

1.17

1030

787

1.34

1179

839

1.51

1328

3200

623

0.90

794

686

1.08

 

949

744

1.26

1103

798

1.43

1257

850

1.61

1410

3300

638

0.98

860

700

1.16

 

1020

757

1.34

1179

810

1.52

1338

861

1.71

1496

3400

653

1.06

931

714

1.25

 

1095

770

1.44

1260

822

1.62

1423

872

1.81

1586

3500

669

1.15

1005

728

1.34

 

1175

783

1.53

1344

835

1.72

1512

884

1.91

1680

3600

685

1.23

1084

742

1.43

 

1258

796

1.63

1432

847

1.83

1606

895

2.03

1778

3700

700

1.33

1167

757

1.53

 

1346

810

1.74

1524

860

1.94

1703

907

2.14

1881

3800

716

1.43

1254

771

1.64

 

1438

823

1.85

1621

873

2.06

1805

919

2.26

1987

3900

732

1.53

1345

786

1.75

 

1534

837

1.96

1722

886

2.18

1911

932

2.39

2099

4000

748

1.64

1441

801

1.86

 

1635

851

2.08

1828

899

2.30

2022

944

2.52

2214

4100

764

1.76

1542

816

1.98

 

1741

865

2.21

1939

912

2.43

2137

957

2.66

2334

4200

780

1.88

1648

831

2.11

 

1851

879

2.34

2054

925

2.57

2257

969

2.80

2460

4300

796

2.00

1758

846

2.24

 

1966

894

2.48

2175

939

2.71

2382

—

—

—

4400

812

2.13

1874

861

2.38

 

2087

908

2.62

2299

952

2.86

2512

—

—

—

4500

828

2.27

1994

877

2.52

 

2212

922

2.77

2430

—

—

—

—

—

—

4600

845

2.42

2120

892

2.67

 

2343

—

—

—

—

—

—

—

—

—

4700

861

2.57

2251

907

2.82

 

2479

—

—

—

—

—

—

—

—

—

4800

877

2.72

2388

—

—

 

—

—

—

—

—

—

—

—

—

—

4900

894

2.88

2531

—

—

 

—

—

—

—

—

—

—

—

—

—

5000

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

580F121 (10 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

3000

878

1.59

1391

925

1.75

 

1534

970

1.91

1676

1014

2.07

1817

1055

2.23

1958

3100

888

1.68

1475

935

1.85

 

1623

979

2.02

1769

1022

2.18

1916

1063

2.35

2062

3200

898

1.78

1563

944

1.95

 

1715

988

2.13

1867

1031

2.30

2018

1072

2.47

2169

3300

909

1.88

1654

954

2.06

 

1811

998

2.24

1968

1040

2.42

2124

1080

2.60

2280

3400

919

1.99

1749

964

2.18

 

1911

1007

2.36

2073

1049

2.55

2234

1089

2.73

2395

3500

930

2.11

1848

975

2.30

 

2015

1017

2.49

2182

1058

2.68

2348

1098

2.86

2514

3600

941

2.22

1951

985

2.42

 

2123

1027

2.61

2295

1068

2.81

2466

—

—

—

3700

952

2.35

2058

996

2.55

 

2236

1038

2.75

2412

—

—

—

—

—

—

3800

964

2.47

2170

1007

2.68

 

2352

1048

2.89

2534

—

—

—

—

—

—

3900

976

2.60

2286

1018

2.82

 

2473

—

—

—

—

—

—

—

—

—

4000

987

2.74

2407

—

—

 

—

—

—

—

—

—

—

—

—

—

4100

999

2.88

2532

—

—

 

—

—

—

—

—

—

—

—

—

—

4200

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4300

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4400

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4500

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4600

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4700

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4800

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

4900

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

5000

—

—

—

—

—

 

—

—

—

—

—

—

—

—

—

—

 

 

LEGEND

Refer to page 70 for general Fan Performance Data notes.

Bhp

—

Brake Horsepower Input to Fan

NOTES:

Watts

—

Input Watts to Motor

1.

Boldface indicates field-supplied drive is required.

 

 

 

2.

Maximum continuous bhp is 2.90.

*Motor drive range: 835 to 1085 rpm. All other rpms require field-supplied drive.

580F036-151

51

Page 50 Page 52
Page 51
Image 51
Bryant 581A/B manual 580F121 10 Tons Alternate Motor Belt Drive, 949, 580F121 10 Tons Alternate Motor Belt DRIVE* Airflow
Page 50 Page 52

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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