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93 performance data (cont) – Bryant DURAPAC 551B User Manual

Page 93

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93

PERFORMANCE DATA (cont)

GENERAL FAN PERFORMANCE NOTES

NOTES:

1. Values include losses for filters, unit casing, and wet coils. See page 94 for

accessory/factory-installed option static pressure information.

2. Extensive motor and electrical testing on these units ensures that the full

range of the motor can be utilized with confidence. 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. See Evaporator-Fan Motor
Performance tables on pages 93 and 94 for additional information.

3. Use of a field-supplied motor may affect wire sizing. Contact your Bryant

representative for details.

4. Interpolation is permissible. Do not extrapolate.

FAN RPM AT MOTOR PULLEY SETTING*; STANDARD MOTOR/DRIVE

*Approximate fan rpm shown.

FAN RPM AT MOTOR PULLEY SETTING*; HIGH-STATIC MOTOR/DRIVE

*Approximate fan rpm shown.

EVAPORATOR-FAN MOTOR PERFORMANCE — STANDARD MOTOR

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 confidence. 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.

UNIT
551B

MOTOR PULLEY TURNS OPEN

0

1

/

2

1

1

1

/

2

2

2

1

/

2

3

3

1

/

2

4

4

1

/

2

5

5

1

/

2

6

036

1090

1055

1025

990

960

925

890

860

825

795

760

048

1185

1150

1115

1080

1045

1015

980

945

910

875

840

060

(single-phase)

1460

1425

1385

1350

1315

1275

1240

1205

1165

1130

1095

1055

1020

060

(3-phase) and 072

1585

1540

1490

1445

1400

1350

1305

1260

1210

1165

1120

090,102

1085

1060

1035

1010

985

960

935

910

890

865

840

120

1080

1060

1035

1015

990

970

950

925

905

880

860

150

1260

1220

1185

1155

1130

1100

1075

1045

1015

990

960

930

900

UNIT
551B

MOTOR PULLEY TURNS OPEN

0

1

/

2

1

1

1

/

2

2

2

1

/

2

3

3

1

/

2

4

4

1

/

2

5

5

1

/

2

6

036

1455

1423

1392

1360

1328

1297

1265

1233

1202

1170

1138

1107

1075

048

1455

1423

1392

1360

1328

1297

1265

1233

1202

1170

1138

1107

1075

060

1685

1589

1557

1525

1493

1460

1428

1396

1364

1332

1300

072

1685

1589

1557

1525

1493

1460

1428

1396

1364

1332

1300

090

1080

1025

1007

988

970

952

933

915

897

878

860

102

1080

1025

1007

988

970

952

933

915

897

878

860

120

1130

1112

1087

1062

1037

1212

987

962

937

912

887

862

830

UNIT
551B

UNIT

PHASE

MAXIMUM

CONTINUOUS BHP*

MAXIMUM

OPERATING WATTS*

UNIT VOLTAGE

MAXIMUM

AMP DRAW

036

Single

1.20

1000

208/230

4.9

Three

1.20

1000

208/230

4.9

460

2.2

575

2.2

048

Single

1.20

1000

208/230

4.9

Three

1.20

1000

208/230

4.9

460

2.2

575

2.2

060

Single

1.30

1650

208/230

10.1

Three

2.40

2120

208/230

6.7

460

3.0

575

3.0

072

Three

2.40

2120

208/230

6.7

460

3.0

575

3.0

090,102

Three

2.90

2615

208/230

8.6

460

3.9

575

3.9

120

Three

3.70

3775

208/230

12.2

460

5.5

575

5.5

150

Three

5.25

4400

208/230

17.3

460

8.5

575

8.5

0TF

Q

0

04-

01
2

5

5

1

B

03
6-
15
0

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