57 performance data (cont) – Bryant 581A/B User Manual

Page 57

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57

PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

LEGEND

See page 70 for general fan performance notes.

LEGEND

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

NOTES:

1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.
3. See page 70 for general fan performance notes.

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

Airflow

(Cfm)

Low Speed

Medium Speed

High Speed

208V

230, 460, 575 V

208 V

230, 460, 575 V

208 V

230, 460, 575 V

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

Bhp

Brake Horsepower Input to Fan

ESP

External Static Pressure (in. wg)

580F060 (5 TONS) — SINGLE-PHASE, ALTERNATE MOTOR (BELT DRIVE)*

Airflow

(Cfm)

External Static Pressure (in. wg)

0.2

0.4

0.6

0.8

1.0

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

(Cfm)

External Static Pressure (in. wg)

1.2

1.4

1.6

1.8

2.0

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

Bhp

Brake Horsepower Input to Fan

Watts

Input Watts to Motor

58
0

F

03
6-

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1

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