Bryant 581A/B manual 580F120,121 10 Tons Alternate Motor Belt Drive, 904

Models: 581A/B

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580F036-151

PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F120,121 (10 TONS) — 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

3000

555

0.72

630

629

0.87

765

 

696

1.03

904

757

1.19

1048

814

1.36

1198

3100

568

0.78

686

641

0.94

825

 

706

1.10

968

766

1.27

1115

823

1.45

1269

3200

582

0.85

745

652

1.01

888

 

717

1.18

1035

776

1.35

1186

832

1.53

1343

3300

595

0.92

808

664

1.09

955

 

728

1.26

1106

786

1.44

1261

841

1.62

1421

3400

609

1.00

874

677

1.17

1026

 

739

1.35

1181

797

1.53

1340

851

1.71

1503

3500

623

1.08

945

689

1.25

1100

 

750

1.43

1259

807

1.62

1422

860

1.81

1589

3600

636

1.16

1019

702

1.34

1179

 

762

1.53

1341

817

1.72

1508

870

1.91

1679

3700

650

1.25

1097

714

1.44

1261

 

773

1.63

1428

828

1.82

1598

880

2.02

1772

3800

664

1.34

1179

727

1.54

1347

 

785

1.73

1518

839

1.93

1693

890

2.13

1870

3900

678

1.44

1266

740

1.64

1438

 

797

1.84

1613

850

2.04

1791

901

2.25

1973

4000

693

1.55

1356

753

1.75

1533

 

809

1.95

1712

861

2.16

1894

911

2.37

2080

4100

707

1.65

1451

766

1.86

1632

 

821

2.07

1816

873

2.28

2002

922

2.50

2191

4200

721

1.77

1551

779

1.98

1736

 

833

2.19

1924

884

2.41

2114

933

2.63

2307

4300

735

1.89

1656

792

2.10

1845

 

846

2.32

2037

896

2.54

2231

944

2.77

2428

4400

750

2.01

1764

806

2.23

1958

 

858

2.45

2154

908

2.68

2352

4500

764

2.14

1879

819

2.37

2077

 

871

2.59

2276

920

2.82

2479

4600

779

2.28

1998

833

2.51

2200

 

883

2.74

2404

4700

793

2.42

2121

846

2.65

2328

 

896

2.89

2537

4800

808

2.56

2251

860

2.81

2462

 

4900

822

2.72

2385

 

5000

837

2.88

2525

 

 

 

 

 

 

 

 

 

 

 

580F120,121 (10 TONS) — 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

3000

867

1.54

1353

918

1.72

1513

 

966

1.91

1680

1012

2.11

1852

1056

2.31

2029

3100

876

1.63

1427

926

1.81

1590

 

973

2.00

1760

1019

2.20

1934

1062

2.41

2114

3200

884

1.71

1504

934

1.90

1671

 

981

2.10

1843

1026

2.30

2020

1069

2.51

2203

3300

893

1.81

1586

942

2.00

1755

 

988

2.20

1931

1033

2.40

2111

1076

2.62

2295

3400

902

1.90

1671

950

2.10

1844

 

996

2.30

2022

1041

2.51

2205

1083

2.73

2393

3500

911

2.01

1760

959

2.21

1937

 

1004

2.41

2118

1048

2.62

2303

1091

2.84

2494

3600

920

2.11

1854

967

2.32

2033

 

1013

2.53

2217

1056

2.74

2406

3700

929

2.22

1951

976

2.43

2134

 

1021

2.65

2322

1064

2.86

2513

3800

939

2.34

2053

985

2.55

2239

 

1030

2.77

2430

3900

949

2.46

2159

995

2.68

2349

 

1039

2.90

2543

4000

959

2.59

2269

1004

2.81

2462

 

4100

969

2.72

2384

 

4200

979

2.85

2504

 

4300

 

4400

 

4500

 

4600

 

4700

 

4800

 

4900

 

5000

 

LEGEND

NOTES:

Bhp — Brake Horsepower Input to Fan

1.

Boldface indicates field-supplied drive is required.

2.

Maximum continuous bhp is 2.90.

Watts — Input Watts to Motor

3.

See page 70 for General Fan Performance Notes.

 

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

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Page 66
Image 66
Bryant 581A/B manual 580F120,121 10 Tons Alternate Motor Belt Drive, 904