Table 8 — Evaporator-Fan Motor Data — High-Static Motors

UNIT

UNIT

MAXIMUM

MAXIMUM

UNIT VOLTAGE

MAXIMUM

581B

PHASE

CONTINUOUS BHP*

OPERATING WATTS*

AMP DRAW

 

 

 

 

 

208/230

6.7

036

Three

2.40

2120

460

3.0

 

 

 

 

575

3.0

 

 

 

 

208/230

6.7

046

Three

2.40

2120

460

3.0

 

 

 

 

575

3.0

 

 

 

 

208/230

8.6

060

Three

2.90

2615

460

3.9

 

 

 

 

575

3.9

 

 

 

 

208/230

8.6

072

Three

2.90

2615

460

3.9

 

 

 

 

575

3.9

LEGEND

Bhp — Brake Horsepower

*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the motors can be utilized with con- fidence. Using the fan motors up to the ratings shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

Table 9 — Accessory/FIOP EconoMi$er IV Static Pressure* (in. wg)

COMPONENT

 

 

 

 

CFM

 

 

 

1250

1500

1750

2000

 

2250

2500

2750

3000

 

 

Vertical EconoMi$er IV

0.045

0.065

0.08

0.12

 

0.145

0.175

0.22

0.255

Horizontal EconoMi$er IV

0.1

0.125

 

0.15

0.18

0.225

0.275

LEGEND

FIOP — Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should be used in conjunction with the Fan Performance tables to determine indoor blower rpm and watts.

Table 10 — Outdoor Sound Power (Total Unit)

UNIT

ARI RATING

 

 

 

 

OCTAVE BANDS

 

 

 

581B

(decibels)

 

63

125

250

500

1000

2000

4000

8000

036-048

76

 

55.9

66.0

64.0

66.2

68.4

64.5

61.7

57.3

060-072

80

 

59.1

68.9

68.7

71.9

74.0

68.9

65.7

59.0

 

LEGEND

 

 

 

 

 

 

 

 

ARI —

Air Conditioning and Refrigeration Institute

 

 

 

 

 

Table 11 — Fan Performance 581B036 — Vertical Discharge Units; Standard 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

900

567

0.15

145

688

0.22

222

786

0.30

296

871

0.37

368

947

0.44

437

1000

599

0.18

177

717

0.27

265

814

0.35

349

897

0.43

430

972

0.51

509

1100

632

0.22

215

747

0.31

313

842

0.41

407

925

0.50

498

999

0.59

587

1200

666

0.26

257

778

0.37

367

871

0.47

471

952

0.57

572

1025

0.67

670

1300

701

0.31

306

810

0.43

426

901

0.54

540

981

0.65

651

1053

0.76

760

1400

737

0.36

361

842

0.49

491

931

0.62

616

1010

0.74

738

1081

0.86

856

1500

773

0.42

422

875

0.57

564

963

0.70

699

1040

0.84

831

1110

0.96

960

 

 

 

 

 

 

 

 

 

 

 

 

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

900

1016

0.51

505

1080

0.57

572

1139

0.64

637

1195

0.71

702

1249

0.77

765

1000

1041

0.59

587

1104

0.67

662

1163

0.74

737

1219

0.81

811

1272

0.89

883

1100

1066

0.68

674

1129

0.76

759

1188

0.85

843

1243

0.93

925

1296

1.01

1007

1200

1093

0.77

767

1155

0.87

861

1213

0.96

955

1268

1.05

1047

1321

1.14

1137

1300

1119

0.87

866

1181

0.98

970

1239

1.08

1073

1294

1.18

1175

1400

1147

0.98

972

1208

1.09

1086

1500

1175

1.09

1086

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 680 to 1044 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 1.20.

3.See page 33 for general fan performance notes.

24

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Image 24
Bryant 581B Evaporator-Fan Motor Data High-Static Motors, Accessory/FIOP EconoMi$er IV Static Pressure* in. wg

581B specifications

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