Bryant 581C Manual De Usuario

260

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

LEGEND

*Motor drive ranges:

Low Range: 805-1007
High Range: 941-1176

All other rpms require field-supplied drive.

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:

Low Range: 5.75
High Range: 8.63

581A300 (25 TONS) (Medium Heat Units)*

Airflow

(Cfm)

Available External Static Pressure (in. wg)

0.2

0.4

0.6

0.8

1.0

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

6,500

775

2,600

2.99

825

2,872

3.30

871

3,130

3.60

915

3,400

3.91

959

3,692

4.25

7,000

826

3,115

3.58

875

3,408

3.92

918

3,679

4.23

959

3,954

4.55

1000

4,245

4.88

7,500

878

3,690

4.24

925

4,006

4.61

966

4,292

4.94

1005

4,575

5.26

1043

4,868

5.60

8,000

929

4,326

4.98

975

4,667

5.37

1015

4,970

5.72

1052

5,265

6.06

1088

5,564

6.40

8,500

981

5,029

5.78

1026

5,395

6.20

1064

5,717

6.58

1100

6,025

6.93

1134

6,332

7.28

9,000

1033

5,799

6.67

1076

6,191

7.12

1114

6,533

7.51

1148

6,856

7.89

1181

7,173

8.25

9,500

1085

6,640

7.64

1128

7,058

8.12

1164

7,421

8.54

1198

7,761

8.93

1229

8,091

9.31

10,000

1137

7,553

8.69

1179

8,000

9.20

1214

8,385

9.64

1247

8,741

10.05

1278

9,086

10.45

10,500

1190

8,542

9.82

1230

9,016

10.37

1265

9,424

10.84

1297

9,799

11.27

1327

10,158

11.68

11,000

1242

9,609

11.05

1282

10,111

11.63

1316

10,542

12.12

1347

10,937

12.58

1376

11,311

13.01

11,500

1294

10,756

12.37

1333

11,287

12.98

1367

11,741

13.50

—

—

—

—

—

—

12,000

1347

11,985

13.78

—

—

—

—

—

—

—

—

—

—

—

—

12,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

581A300 (25 TONS) (Medium Heat Units)* (cont)

Airflow

(Cfm)

Available External Static Pressure (in. wg)

1.2

1.4

1.6

1.8

2.0

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

6,500

1004

4,016

4.62

1050

4,374

5.03

1098

4,769

5.48

1145

5,195

5.97

1192

5646

6.49

7,000

1041

4,559

5.24

1083

4,902

5.64

1126

5,277

6.07

1170

5,685

6.54

1214

6122

7.04

7,500

1081

5,179

5.96

1120

5,512

6.34

1159

5,872

6.75

1199

6,261

7.20

1240

6680

7.68

8,000

1124

5,875

6.76

1160

6,203

7.13

1196

6,553

7.54

1233

6,928

7.97

1270

7329

8.43

8,500

1168

6,647

7.64

1202

6,974

8.02

1235

7,318

8.42

1269

7,684

8.84

1304

8071

9.28

9,000

1214

7,495

8.62

1245

7,825

9.00

1277

8,168

9.39

1309

8,527

9.81

1341

8905

10.24

9,500

1260

8,421

9.69

1290

8,756

10.07

1320

9,100

10.47

1351

9,457

10.88

1381

9830

11.31

10,000

1308

9,425

10.84

1337

9,768

11.23

1365

10,116

11.63

1394

10,474

12.05

—

—

—

10,500

1356

10,510

12.09

1384

10,862

12.49

—

—

—

—

—

—

—

—

—

11,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

11,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

12,000

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

12,500

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Bhp

— Brake Horsepower Input to Fan

Watts — Input Watts to Motor