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Bryant 579F User Manual page 55

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580F121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)*

Airflow

0.2

(Cfm)

Rpm

Bhp

3000

592

0.77

3100

607

0.83

3200

623

0.90

3300

638

0.98

3400

653

1.06

3500

669

1.15

3600

685

1.23

3700

700

1.33

3800

716

1.43

3900

732

1.53

4000

748

1.64

4100

764

1.76

4200

780

1.88

4300

796

2.00

4400

812

2.13

4500

828

2.27

4600

845

2.42

4700

861

2.57

4800

877

2.72

4900

894

2.88

5000

—

—

580F121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)

Airflow

1.2

(Cfm)

Rpm

Bhp

3000

878

1.59

3100

888

1.68

3200

898

1.78

3300

909

1.88

3400

919

1.99

3500

930

2.11

3600

941

2.22

3700

952

2.35

3800

964

2.47

3900

976

2.60

4000

987

2.74

4100

999

2.88

4200

—

—

4300

—

—

4400

—

—

4500

—

—

4600

—

—

4700

—

—

4800

—

—

4900

—

—

5000

—

—

LEGEND

Bhp

— Brake Horsepower Input to Fan

Watts — Input Watts to Motor

*Motor drive range: 835 to 1085 rpm. All other rpms require field-supplied

drive.

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

0.4

Watts

Rpm

Bhp

Watts

672

658

0.93

817

731

672

1.00

881

794

686

1.08

949

860

700

1.16

1020

931

714

1.25

1095

1005

728

1.34

1175

1084

742

1.43

1258

1167

757

1.53

1346

1254

771

1.64

1438

1345

786

1.75

1534

1441

801

1.86

1635

1542

816

1.98

1741

1648

831

2.11

1851

1758

846

2.24

1966

1874

861

2.38

2087

1994

877

2.52

2212

2120

892

2.67

2343

2251

907

2.82

2479

2388

—

—

—

2531

—

—

—

—

—

—

—

1.4

Watts

Rpm

Bhp

Watts

1391

925

1.75

1534

1475

935

1.85

1623

1563

944

1.95

1715

1654

954

2.06

1811

1749

964

2.18

1911

1848

975

2.30

2015

1951

985

2.42

2123

2058

996

2.55

2236

2170

1007

2.68

2352

2286

1018

2.82

2473

2407

—

—

—

2532

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

External Static Pressure (in. wg)

0.6

Rpm

Bhp

Watts

719

1.10

961

731

1.17

1030

744

1.26

1103

757

1.34

1179

770

1.44

1260

783

1.53

1344

796

1.63

1432

810

1.74

1524

823

1.85

1621

837

1.96

1722

851

2.08

1828

865

2.21

1939

879

2.34

2054

894

2.48

2175

908

2.62

2299

922

2.77

2430

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

External Static Pressure (in. wg)

1.6

Rpm

Bhp

Watts

970

1.91

1676

979

2.02

1769

988

2.13

1867

998

2.24

1968

1007

2.36

2073

1017

2.49

2182

1027

2.61

2295

1038

2.75

2412

1048

2.89

2534

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Refer to page 74 for general Fan Performance Data notes.

NOTES:

1. Boldface indicates field-supplied drive is required.

2. Maximum continuous bhp is 2.90.

55

0.8

Rpm

Bhp

Watts

Rpm

775

1.26

1105

828

787

1.34

1179

839

798

1.43

1257

850

810

1.52

1338

861

822

1.62

1423

872

835

1.72

1512

884

847

1.83

1606

895

860

1.94

1703

907

873

2.06

1805

919

886

2.18

1911

932

899

2.30

2022

944

912

2.43

2137

957

925

2.57

2257

969

939

2.71

2382

—

952

2.86

2512

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

1.8

Rpm

Bhp

Watts

Rpm

1014

2.07

1817

1055

1022

2.18

1916

1063

1031

2.30

2018

1072

1040

2.42

2124

1080

1049

2.55

2234

1089

1058

2.68

2348

1098

1068

2.81

2466

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

1.0

Bhp

Watts

1.42

1249

1.51

1328

1.61

1410

1.71

1496

1.81

1586

1.91

1680

2.03

1778

2.14

1881

2.26

1987

2.39

2099

2.52

2214

2.66

2334

2.80

2460

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2.0

Bhp

Watts

2.23

1958

2.35

2062

2.47

2169

2.60

2280

2.73

2395

2.86

2514

—

—

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—

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