Table 4 Ð Motor Data

UNIT

EVAPORATOR-FAN

MAXIMUM

MAXIMUM

UNIT

MAXIMUM

CONTINUOUS

OPERATING

AMP

558D

MOTOR

VOLTAGE

BHP*

WATTS*

DRAW

 

 

 

 

 

 

 

208/230

2.9

 

Std

.34

440

460

1.4

036

 

 

 

575

1.4

 

 

 

208/230

5.1

 

 

 

 

 

Alt

1.00

1000

460

2.3

 

 

 

 

575

2.3

 

 

 

 

208/230

3.7

 

Std

.75

850

460

1.9

048

 

 

 

575

1.9

 

 

 

208/230

5.1

 

 

 

 

 

Alt

1.00

1000

460

2.3

 

 

 

 

575

2.3

 

 

 

 

208/230

6.2

 

Std

1.20

1340

460

3.4

 

 

 

 

575

3.4

060

 

1.3

1750

208/230²

7.6

 

Alt

 

 

208/230**

6.1

 

2.4

2120

460

2.7

 

 

 

 

 

 

575

2.7

 

 

 

 

208/230

6.1

072

Std

2.40

2120

460

2.7

 

 

 

 

575

2.7

LEGEND

Bhp Ð Brake Horsepower

*Extensive motor and electrical testing on these units ensures that the full range of the motors can be utilized with con®dence. Using your 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.

²Single-Phase motor. **3-phase motor.

Table 5 Ð 558D036 Air Delivery Ð Vertical Discharge Units (Standard Motor)

 

 

 

 

STANDARD DIRECT DRIVE MOTOR

 

 

AIRFLOW

 

 

Low Speed

 

 

 

High Speed

 

(Cfm)

 

208 v

230, 460, 575 v

 

208 v

230, 460, 575 v

 

ESP

 

Watts

ESP

Watts

ESP

 

Watts

ESP

Watts

900

0.67

 

253

0.68

277

0.69

 

307

0.69

363

1000

0.60

 

270

0.61

292

0.61

 

321

0.63

374

1100

0.55

 

287

0.56

307

0.57

 

335

0.58

385

1200

0.51

 

304

0.51

323

0.52

 

349

0.53

397

1300

0.45

 

321

0.46

338

0.46

 

364

0.47

408

1400

0.38

 

338

0.41

354

0.43

 

378

0.43

420

1500

0.34

 

355

0.36

369

0.38

 

392

0.39

431

LEGEND

ESP Ð External Static Pressure (in. wg)

NOTES:

1.Values include losses for ®lters, unit casing, and wet coils.

2.Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with con®dence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected. For additional in- formation on motor performance, refer to Table 4.

3.Use of a ®eld-supplied motor may affect wire sizing. Contact your distributor to verify.

4.To convert watts to bhp:

bhp =

watts input x motor efficiency

746

 

Motor efficiency = .63

Ð20Ð

Page 20
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Bryant 558D installation instructions Motor Data, Standard Direct Drive Motor Airflow, Esp

558D specifications

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