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Bryant 551C User Manual

Page 32

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32

6000

5000

4000

3000

2000

1000

0

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

DEL

TA

P

IN.

WG

4 & 5 ton

6 ton

3 ton

C06133

Fig. 39

--- Perfect Humidityt Adaptive Dehumidification System Static Pressure Drop (in. wg)

C06134

Fig. 40

--- Belt Drive Motor Mounting

C06041

Fig. 41

--- Evaporator--Fan Pulley Adjustment

Table 8—551B, 551C Fan Rpm at Motor Pulley Setting With Standard Motor*

UNIT

551B

MOTOR PULLEY TURNS OPEN

551B

551C

0

1

/

2

1

1

1

/

2

2

2

1

/

2

3

3

1

/

2

4

4

1

/

2

5

5

1

/

2

6

024

936

906

876

846

816

786

756

726

696

666

639

036

1044

1008

971

935

898

862

826

789

753

716

680

048

1185

1144

1102

1061

1019

978

936

895

853

812

770

060

1460

1425

1389

1354

1318

1283

1248

1212

1177

1141

1106

1070

1035

072

1585

1538

1492

1445

1399

1352

1305

1259

1212

1166

1119

*Approximate fan rpm shown (standard motor/drive).

Table 9—551B, 551C Fan Rpm at Motor Pulley Setting With High-Static Motor*

UNIT

MOTOR PULLEY TURNS OPEN

UNIT

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

*Approximate fan rpm shown (high-static motor/drive).

551B

,C

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