Table 30—Fan Performance 581B 060, 581C 060 Single-Phase — Horizontal Discharge Units;

Standard Motor (Belt Drive)*

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

CFM

 

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

1500

800

0.39

350

904

0.49

438

999

0.60

535

1087

0.72

640

1169

0.85

753

1600

839

0.46

412

938

0.57

505

1030

0.68

605

1115

0.80

714

1195

0.93

829

1700

879

0.54

483

974

0.65

580

1062

0.77

684

1144

0.90

796

1221

1.03

914

1800

919

0.63

561

1010

0.75

663

1095

0.87

771

1174

1.00

886

1250

1.14

1008

1900

960

0.73

648

1047

0.85

754

1129

0.98

867

1206

1.11

986

1279

1.25

1111

2000

1001

0.84

744

1085

0.96

855

1163

1.09

972

1238

1.23

1095

2100

1043

0.96

850

1123

1.09

965

1199

1.22

1086

2200

1085

1.09

966

1162

1.22

1086

2300

1127

1.23

1092

2400

2500

AIRFLOW

 

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

CFM

 

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

1500

1247

0.98

873

 

1320

1.13

1002

1390

1.28

 

1137

 

1600

1270

1.07

952

 

1342

1.22

1083

 

 

1700

1295

1.17

1040

 

 

 

1800

1321

1.28

1137

 

 

 

1900

 

 

 

2000

 

 

 

2100

 

 

 

2200

 

 

 

2300

 

 

 

2400

 

 

 

2500

 

 

NOTES:

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

1. Grey cells indicate field-supplied drive is required.

 

 

 

Bhp — Brake Horsepower

 

 

 

 

2. Maximum continuous bhp is 1.30.

 

 

 

 

 

Watts — Input Watts to Motor

 

 

 

 

3. See general fan performance notes.

 

 

 

 

*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

581B,C

37

Page 37
Image 37
Bryant 581B036--072, 581C024--060 installation instructions Rpm Bhp Watts 1500, 1900 2000 2100 2200 2300 2400 2500