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

Page 50

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50

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

LEGEND

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied

drive.

Refer to page 70 for general Fan Performance Data notes.

NOTES:

1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

580F121 (10 TONS) — STANDARD 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

3000

592

0.77

672

658

0.93

817

719

1.10

961

775

1.26

1105

828

1.42

1249

3100

607

0.83

731

672

1.00

881

731

1.17

1030

787

1.34

1179

839

1.51

1328

3200

623

0.90

794

686

1.08

949

744

1.26

1103

798

1.43

1257

850

1.61

1410

3300

638

0.98

860

700

1.16

1020

757

1.34

1179

810

1.52

1338

861

1.71

1496

3400

653

1.06

931

714

1.25

1095

770

1.44

1260

822

1.62

1423

872

1.81

1586

3500

669

1.15

1005

728

1.34

1175

783

1.53

1344

835

1.72

1512

884

1.91

1680

3600

685

1.23

1084

742

1.43

1258

796

1.63

1432

847

1.83

1606

895

2.03

1778

3700

700

1.33

1167

757

1.53

1346

810

1.74

1524

860

1.94

1703

907

2.14

1881

3800

716

1.43

1254

771

1.64

1438

823

1.85

1621

873

2.06

1805

919

2.26

1987

3900

732

1.53

1345

786

1.75

1534

837

1.96

1722

886

2.18

1911

932

2.39

2099

4000

748

1.64

1441

801

1.86

1635

851

2.08

1828

899

2.30

2022

4100

764

1.76

1542

816

1.98

1741

865

2.21

1939

4200

780

1.88

1648

831

2.11

1851

879

2.34

2054

4300

796

2.00

1758

846

2.24

1966

4400

812

2.13

1874

861

2.38

2087

4500

828

2.27

1994

4600

4700

4800

4900

5000

580F121 (10 TONS) — STANDARD 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

3000

878

1.59

1391

925

1.75

1534

970

1.91

1676

1014

2.07

1817

1055

2.23

1958

3100

888

1.68

1475

935

1.85

1623

979

2.02

1769

1022

2.18

1916

1063

2.35

2062

3200

898

1.78

1563

944

1.95

1715

988

2.13

1867

1031

2.30

2018

3300

909

1.88

1654

954

2.06

1811

998

2.24

1968

3400

919

1.99

1749

964

2.18

1911

1007

2.36

2073

3500

930

2.11

1848

975

2.30

2015

3600

941

2.22

1951

3700

952

2.35

2058

3800

3900

4000

4100

4200

4300

4400

4500

4600

4700

4800

4900

5000

Bhp

Brake Horsepower Input to Fan

Watts — Input Watts to Motor

58

0F0

3

6

-15

1

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