PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

 

 

 

581B150 (121/2 TONS) — STANDARD 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

 

 

 

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

 

150

 

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

1062

3.78

3528

 

581B036-

 

5000

867

2.66

2482

923

2.98

 

2781

976

3.30

3081

1026

3.63

3383

1074

3.95

3685

 

 

5100

882

2.81

2622

937

3.14

 

2926

989

3.47

3232

1039

3.80

3540

1086

4.13

3849

 

 

5200

897

2.97

2766

951

3.30

 

3077

1003

3.63

3389

1052

3.97

3702

1099

4.31

4017

 

 

 

5300

912

3.13

2917

966

3.47

 

3233

1016

3.81

3551

1065

4.15

3870

1111

4.49

4191

 

 

 

5400

927

3.30

3073

980

3.64

 

3395

1030

3.99

3719

1078

4.34

4044

1123

4.69

4370

 

 

 

5500

943

3.47

3234

994

3.82

 

3563

1044

4.17

3892

1091

4.53

4223

1136

4.88

4555

 

 

 

5600

958

3.65

3402

1009

4.01

 

3736

1057

4.37

4071

1104

4.73

4408

1149

5.09

4746

 

 

 

5700

973

3.83

3575

1023

4.20

 

3915

1071

4.56

4256

1117

4.93

4599

 

 

 

5800

988

4.03

3754

1038

4.40

 

4100

1085

4.77

4447

1130

5.14

4796

 

 

 

5900

1004

4.22

3939

1052

4.60

 

4292

1099

4.98

4645

 

 

 

6000

1019

4.43

4131

1067

4.81

 

4489

1113

5.20

4848

 

 

 

6100

1034

4.64

4329

1082

5.03

 

4693

 

 

 

6200

1050

4.86

4533

 

 

 

 

6300

1065

5.09

4744

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581B150 (121/2 TONS) — STANDARD 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

 

 

 

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

1194

3.85

3591

 

 

 

4100

1021

2.89

2697

1069

3.17

 

2953

1116

3.44

3210

1160

3.72

3471

1203

4.00

3733

 

 

 

4200

1031

3.03

2822

1079

3.31

 

3083

1125

3.59

3347

1169

3.87

3612

1212

4.16

3880

 

 

 

4300

1042

3.16

2951

1089

3.45

 

3218

1135

3.74

3487

1179

4.03

3758

1221

4.32

4031

 

 

 

4400

1053

3.31

3085

1100

3.60

 

3357

1145

3.90

3632

1188

4.19

3909

1230

4.49

4187

 

 

 

4500

1064

3.46

3224

1110

3.76

 

3502

1155

4.06

3782

1198

4.36

4064

1239

4.66

4348

 

 

 

4600

1075

3.61

3367

1121

3.91

 

3650

1165

4.22

3937

1208

4.53

4224

1249

4.84

4514

 

 

 

4700

1086

3.77

3515

1131

4.08

 

3805

1175

4.39

4096

1217

4.71

4389

1258

5.02

4684

 

 

 

4800

1097

3.93

3668

1142

4.25

 

3963

1186

4.57

4260

1228

4.89

4559

1268

5.21

4860

 

 

 

4900

1109

4.10

3826

1153

4.43

 

4128

1196

4.75

4430

1238

5.08

4734

 

 

 

5000

1120

4.28

3990

1164

4.61

 

4296

1207

4.94

4604

 

 

 

5100

1132

4.46

4159

1175

4.79

 

4471

1218

5.13

4784

 

 

 

5200

1144

4.65

4333

1187

4.99

 

4651

 

 

 

5300

1155

4.84

4512

1198

5.19

 

4836

 

 

 

5400

1167

5.04

4697

 

 

 

 

5500

1179

5.24

4889

 

 

 

 

5600

 

 

 

 

5700

 

 

 

 

5800

 

 

 

 

5900

 

 

 

 

6000

 

 

 

 

6100

 

 

 

 

6200

 

 

 

 

6300

 

LEGEND

Bhp — Brake Horsepower Input to Fan

Watts — Input Watts to Motor

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied drive.

See page 103 for general fan performance notes.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 5.25.

126

Page 126
Image 126
Bryant 581A/B manual 4600 807 1975, 5900, 581B150 121/2 Tons Standard Motor Belt DRIVE

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.