Bryant 581A/B manual 835, 990

Models: 581A/B

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580F036-151

PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F150,151 (121/ TONS) — STANDARD MOTOR (BELT DRIVE)*

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

3700

 

676

1.19

1106

747

1.42

1328

811

1.66

 

1552

871

1.91

1779

927

2.15

2008

3800

 

690

1.27

1185

760

1.52

1414

823

1.76

 

1644

882

2.01

1876

938

2.26

2111

3900

 

705

1.36

1269

773

1.61

1503

835

1.86

 

1739

894

2.12

1977

948

2.38

2217

4000

 

719

1.45

1357

786

1.71

1597

848

1.97

 

1838

905

2.23

2082

959

2.50

2328

4100

 

734

1.55

1449

799

1.82

1695

860

2.08

 

1942

917

2.35

2192

970

2.62

2443

4200

 

748

1.66

1545

813

1.93

1797

872

2.20

 

2050

928

2.47

2305

981

2.75

2562

4300

 

763

1.76

1646

826

2.04

1903

885

2.32

 

2162

940

2.60

2423

992

2.88

2686

4400

 

778

1.88

1751

840

2.16

2014

898

2.44

 

2279

952

2.73

2546

1004

3.02

2814

4500

 

792

1.99

1860

853

2.28

2130

910

2.57

 

2401

964

2.87

2673

1015

3.16

2947

4600

 

807

2.12

1975

867

2.41

2250

923

2.71

 

2527

976

3.01

2805

1027

3.31

3085

4700

 

822

2.25

2094

881

2.55

2375

936

2.85

 

2658

989

3.15

2942

1038

3.46

3227

4800

 

837

2.38

2218

895

2.69

2505

949

3.00

 

2794

1001

3.31

3083

1050

3.62

3375

4900

 

852

2.52

2347

909

2.83

2640

963

3.15

 

2935

1014

3.46

3230

5000

 

867

2.66

2482

923

2.98

2781

976

3.30

 

3081

1026

3.63

3383

5100

 

882

2.81

2622

937

3.14

2926

989

3.47

 

3232

5200

 

897

2.97

2766

951

3.30

3077

1003

3.63

 

3389

5300

 

912

3.13

2917

966

3.47

3233

 

5400

 

927

3.30

3073

980

3.64

3395

 

5500

 

943

3.47

3234

 

5600

 

958

3.65

3402

 

5700

 

 

5800

 

 

5900

 

 

6000

 

 

6100

 

 

6200

 

 

6300

 

 

 

 

 

 

 

 

 

 

 

 

580F150,151 (121/ TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

3700

 

981

2.40

2240

1031

2.65

2473

1079

2.91

 

2709

1125

3.16

2948

1169

3.42

3189

3800

 

990

2.52

2348

1040

2.77

2587

1088

3.03

 

2828

1133

3.30

3073

1177

3.56

3319

3900

 

1000

2.64

2459

1050

2.90

2705

1097

3.17

 

2951

1142

3.43

3201

1186

3.70

3452

4000

 

1011

2.76

2576

1059

3.03

2826

1106

3.30

 

3079

1151

3.58

3334

4100

 

1021

2.89

2697

1069

3.17

2953

1116

3.44

 

3210

4200

 

1031

3.03

2822

1079

3.31

3083

1125

3.59

 

3347

4300

 

1042

3.16

2951

1089

3.45

3218

 

4400

 

1053

3.31

3085

1100

3.60

3357

 

4500

 

1064

3.46

3224

 

4600

 

1075

3.61

3367

 

4700

 

 

4800

 

 

4900

 

 

5000

 

 

5100

 

 

5200

 

 

5300

 

 

5400

 

 

5500

 

 

5600

 

 

5700

 

 

5800

 

 

5900

 

 

6000

 

 

6100

 

 

6200

 

 

6300

 

 

 

LEGEND

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

Bhp — Brake Horsepower Input to Fan

 

 

 

 

1. Boldface indicates field-supplied drive is required.

 

 

Watts — Input Watts to Motor

2. Maximum continuous bhp is 3.70.

3. See page 70 for General Fan Performance Notes.

 

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied

 

drive.

 

68

Page 68
Image 68
Bryant 581A/B manual 835, 990

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.