Bryant 581C User Manual

Page 112

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112

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

LEGEND

*Motor drive range: 840 to 1085 rpm. All other rpms require field- sup-

plied drive.

Refer to page 107 for general Fan Performance Data notes.

NOTES:

1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

581B090 (7

1

/

2

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

2250

513

0.54

505

595

0.76

713

665

1.01

940

728

1.27

1187

786

1.56

1453

2300

521

0.57

531

601

0.79

741

671

1.04

972

734

1.31

1222

791

1.60

1489

2400

535

0.63

584

615

0.86

802

684

1.11

1038

745

1.39

1293

802

1.68

1566

2500

551

0.69

642

628

0.93

866

696

1.19

1109

757

1.47

1369

813

1.77

1647

2550

558

0.72

673

635

0.97

900

702

1.23

1146

763

1.51

1409

818

1.81

1689

2600

566

0.76

705

642

1.00

935

709

1.27

1183

769

1.55

1450

824

1.86

1732

2700

582

0.83

771

656

1.08

1008

721

1.35

1263

781

1.65

1535

835

1.95

1823

2800

597

0.90

842

670

1.16

1086

734

1.44

1347

793

1.74

1625

847

2.06

1917

2900

613

0.98

918

684

1.25

1169

748

1.54

1436

805

1.84

1720

859

2.16

2019

3000

629

1.07

999

699

1.35

1256

761

1.64

1530

818

1.95

1820

871

2.28

2125

3100

645

1.16

1085

713

1.45

1349

775

1.75

1630

831

2.06

1925

883

2.40

2235

3200

662

1.26

1176

728

1.55

1448

788

1.86

1734

844

2.18

2036

895

2.52

2352

3300

678

1.36

1272

743

1.66

1551

802

1.98

1845

857

2.31

2152

908

2.65

2475

3400

694

1.47

1374

758

1.78

1660

816

2.10

1961

870

2.44

2275

920

2.79

2603

3500

711

1.59

1482

773

1.90

1775

831

2.23

2082

884

2.58

2402

3600

727

1.71

1596

789

2.03

1896

845

2.37

2210

897

2.72

2537

3700

744

1.84

1716

804

2.17

2023

860

2.51

2343

911

2.87

2677

3750

752

1.91

1778

812

2.24

2089

867

2.59

2413

581B090 (7

1

/

2

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

2250

839

1.86

1735

889

2.18

2032

935

2.52

2345

980

2.87

2673

2300

844

1.90

1773

893

2.22

2073

940

2.56

2389

2400

854

1.99

1855

903

2.32

2159

950

2.66

2478

2500

865

2.08

1940

913

2.41

2249

959

2.76

2573

2550

870

2.13

1985

918

2.46

2296

964

2.81

2622

2600

875

2.18

2031

923

2.51

2344

969

2.87

2673

2700

886

2.28

2126

934

2.62

2445

2800

897

2.39

2227

944

2.73

2550

2900

908

2.50

2333

955

2.85

2661

3000

920

2.62

2443

3100

931

2.75

2560

3200

943

2.88

2682

3300

3400

3500

3600

3700

3750

Bhp

Brake Horsepower Input to Fan

Watts — Input Watts to Motor

581

B0

36

-15

0

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