Bryant 548F User Manual download pdf (Page 30)

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Table 19 — Fan Performance, 548F036 Standard Motor — Horizontal Discharge Units

LEGEND

NOTES:

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

Table 7 for accessory/FIOP 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. For additional information on motor performance, refer

to Indoor-Fan Motor Performance, Table 6.

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

Bryant representative for details.

Table 20 — Fan Performance, 548F036 Alternate Motor — Horizontal Discharge Units

LEGEND

*Motor drive range: 760 to 1000 rpm. All other rpms require field-

supplied drive.

NOTES:

Boldface

indicates field-supplied drive is required.

2. Maximum usable watts input is 1000 and maximum continuous bhp

is 1.00. Extensive motor and electrical testing on these units

ensures that the full range of the motor can be utilized with confi-

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 information on motor

performance, refer to Indoor-Fan Motor Performance, Table 6.

3. Values include losses for filters, unit casing, and wet coils. See

Table 7 for accessory/FIOP static pressure information.

4. Interpolation is permissible. Do not extrapolate.

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

Bryant representative for details.

548F036 (3 TONS) — STANDARD MOTOR (DIRECT DRIVE)

Airflow

(Cfm)

Low Speed High Speed

208 v 230, 460, 575 v 208 v 230, 460, 575 v

ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts

900

0.72 0.21 253 0.75 0.23 277 0.73 0.26 307 0.76 0.31 363

1000

0.67 0.23 270 0.69 0.25 292 0.70 0.27 321 0.71 0.32 374

1100

0.61 0.24 287 0.63 0.26 307 0.64 0.28 335 0.65 0.33 385

1200

0.57 0.26 304 0.58 0.27 323 0.56 0.29 349 0.59 0.34 397

1300

0.51 0.27 321 0.53 0.29 338 0.53 0.31 364 0.54 0.34 408

1400

0.44 0.29 338 0.46 0.30 354 0.47 0.32 378 ———

1500

0.39 0.30 355 0.41 0.31 369 0.43 0.33 392 ———

Bhp —

Brake Horsepower Input to Fan

ESP —

External Static Pressure (in. wg)

FIOP —

Factory-Installed Option

Watts —

Input Watts to Motor

548F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)*

Airflow

(Cfm)

External Static Pressure (in. wg)

0.10.20.30.40.50.6

Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts

900 526 0.06 70 584 0.08 99 656 0.12 139 734 0.22 219

818 0.25 269 875 0.27 289

1000 570 0.09 109 627 0.13 149 738 0.19 189

800 0.26 259 848 0.29 288 895 0.31 308

1100 614 0.13 149 670 0.16 189 758 0.23 229

812 0.29 288 863 0.32 308 914 0.35 348

1200 658 0.16 189 710 0.23 229

780 0.28 279 840 0.32 318 889 0.36 358 938 0.40 398

1300 703 0.20 239 752 0.27 269

808 0.32 318 868 0.37 368 916 0.41 408 963 0.45 448

1400 725 0.29 288

776 0.31 308 845 0.38 378 891 0.42 418 937 0.47 467 983 0.51 507

1500 755 0.33 328

816 0.38 378 870 0.43 428 924 0.48 477 969 0.53 527

1014 0.58 577

548F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)

Airflow

(Cfm)

External Static Pressure (in. wg)

0.7 0.8 0.9 1.0 1.1 1.2

Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts

900

924 0.32 308 953 0.35 348 989 0.38 388

1028 0.42 438 1074 0.49 487 1120 0.54 537

1000

936 0.35 348 977 0.39 388

1020 0.44 438 1064 0.48 477 1124 0.54 537 1185 0.60 597

1100

960 0.39 388

1005 0.43 428 1052 0.49 487 1100 0.52 527 1163 0.59 587 1225 0.65 647

1200

960 0.45 388

1038 0.50 497 1076 0.53 527 1136 0.59 577 1201 0.65 647 1266 0.72 716

1300 1012 0.51 507 1061 0.56 557 1090 0.61 607 1172 0.65 647 1239 0.72 716 1306 0.79 786

1400 1027 0.56 557 1071 0.60 597 1108 0.67 666 1208 0.70 706 1278 0.79 786 1347 0.87 865

1500 1056 0.63 627 1097 0.68 676 1117 0.70 696 1245 0.74 776 1315 0.87 865 1385 0.96 955

Bhp —

Brake Horsepower Input to Fan

FIOP —

Factory-Installed Option

Watts —

Input Watts to Motor

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 47 48

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Bryant 548F User Manual Page 30

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