Bryant 581C Manual De Usuario

158

PERFORMANCE DATA — 581C

LEGEND

*Motor drive range: 1075 to 1455 rpm. All other rpms require field-

supplied drive.

See page 107 for general fan performance notes.

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

LEGEND

*Motor drive range: 770 to 1185 rpm. All other rpms require field-

supplied drive.

See page 107 for general fan performance notes.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

581C036 (3 TONS) — HIGH-STATIC 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

900

1019

0.64

640

1084

0.76

760

1146

0.89

885

1203

1.02

1016

1258

1.16

1152

1000

1042

0.70

700

1107

0.83

825

1168

0.96

956

1225

1.10

1091

1279

1.24

1232

1100

1065

0.77

765

1130

0.90

896

1190

1.04

1032

1247

1.18

1173

1301

1.33

1319

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

1270

1.27

1262

1324

1.42

1413

1300

1113

0.92

915

1177

1.06

1058

1237

1.21

1205

1293

1.36

1358

1347

1.52

1514

1400

1138

1.01

1000

1201

1.15

1149

1261

1.31

1303

1317

1.47

1461

1370

1.63

1623

1500

1163

1.10

1092

1226

1.25

1247

1285

1.41

1407

1341

1.58

1571

1394

1.75

1740

Bhp

— Brake Horsepower

Watts

— Input Watts to Motor

581C048 (4 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

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

1600

773

0.45

444

879

0.59

586

970

0.73

731

1050

0.88

880

1123

1.04

1034

1700

807

0.52

513

910

0.67

663

999

0.82

817

1078

0.98

973

1150

1.14

1134

1800

841

0.59

589

942

0.75

749

1029

0.91

910

1106

1.08

1074

—

1900

875

0.68

674

974

0.85

842

1059

1.02

1012

1135

1.19

1184

—

2000

910

0.77

767

1006

0.95

944

1090

1.13

1122

—

581C048 (4 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

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

—

1300

1113

0.92

915

1177

1.06

1058

—

1400

1138

1.01

1000

1201

1.15

1149

—

1500

1163

1.10

1092

—

1600

1189

1.20

1191

—

1700

—

1800

—

1900

—

2000

—

Bhp

— Brake Horsepower

Watts

— Input Watts to Motor

581C048 (4 TONS) — HIGH-STATIC 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

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

1600

773

0.45

444

879

0.59

586

970

0.73

731

1050

0.88

880

1123

1.04

1034

1700

807

0.52

513

910

0.67

663

999

0.82

817

1078

0.98

973

1150

1.14

1134

1800

841

0.59

589

942

0.75

749

1029

0.91

910

1106

1.08

1074

1177

1.25

1242

1900

875

0.68

674

974

0.85

842

1059

1.02

1012

1135

1.19

1184

1205

1.37

1360

2000

910

0.77

767

1006

0.95

944

1090

1.13

1122

1165

1.31

1302

1234

1.49

1485

1C02

060