Bryant 581A/B manual Airflow Low Speed Medium Speed High Speed 208V 230, 460, 575

Models: 581A/B

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PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)

 

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

Low Speed

 

 

 

 

Medium Speed

 

 

 

 

High Speed

 

 

 

208V

 

230, 460, 575 V

 

208 V

 

230, 460, 575 V

 

208 V

 

230, 460, 575 V

(Cfm)

 

 

 

 

 

 

 

ESP

Bhp

Watts

ESP

Bhp

Watts

ESP

Bhp

Watts

ESP

Bhp

Watts

ESP

Bhp

Watts

ESP

Bhp

Watts

1500

0.74

0.67

750

1.06

0.71

791

1.07

0.70

782

1.27

0.76

845

1.26

0.79

875

1.33

0.85

949

1600

0.54

0.70

780

0.90

0.74

824

0.92

0.74

821

1.13

0.79

883

1.14

0.82

913

1.22

0.89

988

1700

0.34

0.73

810

0.75

0.77

857

0.77

0.77

861

1.00

0.83

921

1.01

0.85

950

1.11

0.92

1027

1800

0.14

0.75

839

0.59

0.80

891

0.62

0.81

900

0.87

0.86

959

0.89

0.88

988

1.00

0.96

1066

1900

0.44

0.83

924

0.47

0.84

940

0.74

0.90

997

0.77

0.92

1025

0.89

0.99

1105

2000

0.28

0.86

957

0.32

0.88

979

0.61

0.93

1035

0.64

0.95

1063

0.78

1.03

1144

2100

0.13

0.89

990

0.17

0.91

1018

0.48

0.96

1073

0.51

0.99

1101

0.67

1.06

1183

2200

0.02

0.95

1058

0.35

1.00

1111

0.39

1.02

1138

0.56

1.10

1222

2300

0.22

1.03

1149

0.26

1.06

1176

0.45

1.13

1261

2400

0.09

1.07

1187

0.14

1.09

1213

0.34

1.17

1300

2500

0.23

1.20

1340

 

LEGEND

See page 70 for general fan performance notes.

Bhp —

Brake Horsepower Input to Fan

 

ESP —

External Static Pressure (in. wg)

 

580F060 (5 TONS) — SINGLE-PHASE, 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

1500

 

790

0.40

353

896

0.53

470

 

990

0.67

599

 

1074

0.83

738

 

1151

1.00

886

1600

 

828

0.46

413

930

0.60

535

 

1021

0.75

669

 

1103

0.91

812

 

1179

1.09

965

1700

 

866

0.54

479

964

0.68

607

 

1053

0.84

746

 

1133

1.01

894

 

1207

1.18

1051

1800

 

905

0.62

553

1000

0.77

687

 

1085

0.94

831

 

1164

1.11

984

 

1236

1.29

1146

1900

 

944

0.71

635

1036

0.87

775

 

1119

1.04

924

 

1195

1.22

1082

 

2000

 

984

0.82

725

1072

0.98

871

 

1153

1.15

1025

 

 

2100

 

1024

0.93

824

1109

1.10

976

 

1188

1.28

1136

 

 

2200

 

1064

1.05

932

1147

1.23

1090

 

 

 

2300

 

1105

1.18

1050

 

 

 

2400

 

 

 

 

2500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

580F060 (5 TONS) — SINGLE-PHASE, 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

1500

 

1223

1.18

1045

 

 

 

1600

 

1249

1.27

1127

 

 

 

1700

 

 

 

 

1800

 

 

 

 

1900

 

 

 

 

2000

 

 

 

 

2100

 

 

 

 

2200

 

 

 

 

2300

 

 

 

 

2400

 

 

 

 

2500

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

Bhp —

Brake Horsepower Input to Fan

 

 

 

 

 

1. Boldface indicates field-supplied drive is required.

 

 

 

 

 

 

 

2. Maximum continuous bhp is 1.30.

 

 

 

 

 

Watts —

Input Watts to Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. See page 70 for general fan performance notes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Motor drive range: 900 to 1300 rpm. All other rpms require a field-supplied drive.

580F036-151

57

Page 57
Image 57
Bryant 581A/B manual Airflow Low Speed Medium Speed High Speed 208V 230, 460, 575