Manuals / Bryant / Household Appliance / Heating System

Bryant 581A/B manual 581B150 121/2 Tons Standard Motor Belt Drive

Models: 581A/B

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PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL 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

728

 

1.36

1266

 

789

1.58

1473

848

1.81

 

1686

904

2.04

1906

957

2.29

2132

 

 

 

 

3800

744

 

1.46

1361

 

804

1.69

1572

861

1.92

 

1790

916

2.16

2015

969

2.41

2246

 

 

 

 

3900

760

 

1.57

1460

 

819

1.80

1676

875

2.04

 

1899

929

2.28

2128

981

2.53

2364

 

 

 

 

4000

777

 

1.68

1563

 

834

1.91

1785

889

2.16

 

2012

942

2.41

2247

993

2.67

2487

 

 

 

 

4100

793

 

1.79

1672

 

850

2.04

1899

904

2.29

 

2132

956

2.54

2371

1006

2.80

2615

 

 

 

 

4200

810

 

1.92

1786

 

865

2.16

2018

918

2.42

 

2255

969

2.68

2499

1018

2.95

2748

 

 

 

 

4300

826

 

2.04

1906

 

880

2.30

2142

932

2.56

 

2385

983

2.82

2633

1031

3.10

2888

 

 

 

 

4400

843

 

2.18

2031

 

896

2.44

2272

947

2.70

 

2520

996

2.97

2773

1044

3.25

3032

 

 

 

 

4500

860

 

2.32

2161

 

912

2.58

2408

962

2.85

 

2660

1010

3.13

2918

1057

3.41

3182

 

 

 

 

 

 

 

 

 

 

 

4600

876

 

2.46

2297

 

927

2.73

2549

977

3.01

 

2807

1024

3.29

3070

1070

3.58

3338

 

150

 

 

4700

893

 

2.62

2439

 

943

2.89

2696

992

3.17

 

2958

1038

3.46

3226

1084

3.75

3500

 

 

 

4800

910

 

2.77

2587

 

959

3.06

2849

1007

3.34

 

3116

1053

3.63

3390

1098

3.93

3668

 

581B036-

 

 

4900

927

 

2.94

2741

 

975

3.23

3008

1022

3.52

 

3280

1067

3.82

3558

1111

4.12

3841

 

 

 

5000

944

 

3.11

2901

 

991

3.40

3173

1037

3.70

 

3451

1082

4.00

3733

1125

4.31

4021

 

 

5100

961

 

3.29

3068

 

1007

3.59

3345

1053

3.89

 

3627

1096

4.20

3915

1139

4.51

4208

 

 

 

 

5200

978

 

3.48

3241

 

1024

3.78

3523

1068

4.09

 

3811

1111

4.40

4103

1153

4.72

4400

 

 

 

 

5300

995

 

3.67

3420

 

1040

3.98

3707

1084

4.29

 

4000

1126

4.61

4298

1168

4.93

4600

 

 

 

 

5400

1012

 

3.87

3606

 

1056

4.18

3899

1099

4.50

 

4196

1141

4.82

4499

1182

5.15

4806

 

 

 

 

5500

1029

 

4.07

3799

 

1073

4.39

4097

1115

4.72

 

4400

1156

5.05

4707

—

—

—

 

 

 

 

5600

1046

 

4.29

3999

 

1089

4.61

4302

1131

4.94

 

4610

—

—

—

—

—

—

 

 

 

 

5700

1063

 

4.51

4207

 

1105

4.84

4515

1146

5.18

 

4827

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

5800

1080

 

4.74

4420

 

1122

5.08

4734

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5900

1098

 

4.98

4642

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6000

1115

 

5.22

4872

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6100

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6200

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6300

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

1008

 

2.54

2364

 

1058

2.79

2602

1106

3.05

 

2846

1152

3.32

3094

1198

3.59

3348

 

 

 

 

3800

1019

 

2.66

2482

 

1068

2.92

2725

1116

3.19

 

2972

1162

3.46

3226

1206

3.74

3484

 

 

 

 

3900

1031

 

2.79

2605

 

1079

3.06

2852

1126

3.33

 

3104

1171

3.61

3362

1215

3.89

3624

 

 

 

 

4000

1042

 

2.93

2733

 

1090

3.20

2984

1136

3.48

 

3241

1180

3.76

3503

1224

4.04

3770

 

 

 

 

4100

1054

 

3.07

2866

 

1101

3.35

3122

1146

3.63

 

3383

1190

3.91

3649

1233

4.20

3921

 

 

 

 

4200

1066

 

3.22

3004

 

1112

3.50

3264

1157

3.79

 

3530

1200

4.08

3801

1243

4.37

4077

 

 

 

 

4300

1078

 

3.38

3148

 

1123

3.66

3413

1167

3.95

 

3683

1210

4.24

3958

1252

4.54

4238

 

 

 

 

4400

1090

 

3.54

3297

 

1135

3.82

3566

1179

4.12

 

3841

1221

4.42

4121

1262

4.72

4405

 

 

 

 

4500

1103

 

3.70

3451

 

1147

4.00

3726

1190

4.29

 

4005

1232

4.60

4289

1273

4.91

4578

 

 

 

 

4600

1115

 

3.87

3612

 

1159

4.17

3891

1201

4.48

 

4175

1243

4.79

4464

1283

5.10

4757

 

 

 

 

4700

1128

 

4.05

3778

 

1171

4.36

4062

1213

4.67

 

4350

1254

4.98

4644

—

—

—

 

 

 

 

4800

1141

 

4.24

3951

 

1183

4.55

4239

1225

4.86

 

4532

1265

5.18

4830

—

—

—

 

 

 

 

4900

1154

 

4.43

4130

 

1196

4.74

4422

1237

5.06

 

4720

—

—

—

—

—

—

 

 

 

 

5000

1167

 

4.63

4314

 

1209

4.95

4611

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5100

1181

 

4.83

4505

 

1221

5.16

4808

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5200

1194

 

5.04

4703

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5300

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5400

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5500

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5600

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5700

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5800

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

5900

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6000

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6100

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6200

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

6300

—

 

—

—

 

—

—

—

—

—

 

—

—

—

—

—

—

—

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

Refer to page 103 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.

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

2. Maximum continuous bhp is 5.25.

 

supplied drive.

 

114

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Page 114
Image 114
Bryant 581A/B manual 581B150 121/2 Tons Standard Motor Belt Drive
Page 113 Page 115

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.