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163 performance data (cont), Fan rpm at motor pulley settings, Evaporator fan motor performance – Bryant DURAPAC 551B User Manual

Page 163: Evaporator-fan motor efficiency

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163

PERFORMANCE DATA (cont)

FAN RPM AT MOTOR PULLEY SETTINGS*

*Approximate fan rpm shown.

†Indicates standard drive package.

**Indicates alternate drive package.

††Due to belt and pulley style, pulley cannot be set to this number of

turns open.

EVAPORATOR FAN MOTOR PERFORMANCE

LEGEND

EVAPORATOR-FAN MOTOR EFFICIENCY

NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency re-
quirements as established by the Energy Policy Act of 1992 (EPACT) effective
October 24, 1997.

551A

0

1

/

2

1

1

1

/

2

2

2

1

/

2

3

3

1

/

2

4

4

1

/

2

5

5

1

/

2

6

155 (208/230, 460 v)†

††

††

††

††

1064

1035

1006

978

949

920

891

863

834

155 (208/230, 460 v)**

††

††

††

††

1426

1393

1360

1327

1294

1261

1227

1194

1161

180†

††

††

††

††

1021

1002

984

965

947

928

910

891

873

180**

††

††

††

††

1200

1178

1156

1134

1112

1091

1069

1047

1025

UNIT
551A

NOMINAL

HP

VOLTAGE

MAX

WATTS

EFF.

%

MAX

BHP

MAX
BkW

MAX

AMPS

155

(Standard

Motor)

2.9

208

2700

85.8

3.13

2.34

9.46

2.9

230

2700

85.8

3.13

2.34

8.6

2.9

460

2700

85.8

3.13

2.34

4.3

155

(Optional

Motor)

3.7

208

3775

85.8

4.38

3.27

10.5

3.7

230

3775

85.8

4.38

3.27

10.5

3.7

460

3775

85.8

4.38

3.27

4.8

180

5

208

5180

87.5

6.13

4.57

15.8

5

230

5180

87.5

6.13

4.57

15.8

5

460

5180

87.5

6.13

4.57

7.9

BHP

Brake Horsepower

BkW

Brake Kilowatts

MOTOR

HORSEPOWER

MOTOR EFFICIENCY

(%)

2.9, 3.7

85.8

5.0

87.5

Fan Performance Using Accessory Power Exhaust

(551A155,180)

NOTE: The CRRFCURB013A00 high static regain adapter accessory may be
used to provide horizontal supply/return.

NOTE: The CRRFCURB013A00 horizontal supply/return adapter accessory
improves 551A155,180 fan performance by increasing external static pressure
by amount shown above. To convert from in. wg to Pa use the following formula:

in. wg x 249.1 = Pa

Horizontal Supply/Return Fan Performance with CRRFCURB013A00

High Static Regain Adapter

0

T

F

Q

0

04
-0
12

55
1A1

55-

18
0

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