Bryant 548F User Manual download pdf (Page 22)

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Table 8 — Fan Performance, 548F036 Standard Motor — Vertical 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 9 — Fan Performance, 548F036 Alternate Motor — Vertical 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. indicates field-supplied motor and drive are required.

3. 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 war-

ranty will not be affected. For additional information on motor per-

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

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

Table 7 for accessory/FIOP static pressure information.

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

Bryant representative for details.

6. Interpolation is permissible. Do not extrapolate.

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

0.67 0.21 253 0.68 0.23 277 0.69 0.26 307 0.69 0.31 363

1000

0.60 0.23 270 0.61 0.25 292 0.61 0.27 321 0.63 0.32 374

1100

0.55 0.24 287 0.56 0.26 307 0.57 0.28 335 0.58 0.33 385

1200

0.51 0.26 304 0.51 0.27 323 0.52 0.29 349 0.53 0.34 397

1300

0.45 0.27 321 0.46 0.29 338 0.46 0.31 364 0.47 0.34 408

1400

0.38 0.29 338 0.41 0.30 354 0.43 0.32 378 ———

1500

0.34 0.30 355 0.36 0.31 369 0.38 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)

0.1 0.2 0.3 0.4 0.5 0.6

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

900 581 0.12 119 673 0.18 179 736 0.22 219

805 0.25 249 865 0.29 288 911 0.34 338

1000 644 0.19 189 709 0.22 219

782 0.28 279 835 0.30 298 900 0.35 348 937 0.38 378

1100 687 0.22 219 746 0.26 259

806 0.30 298 867 0.35 348 929 0.40 398 964 0.40 398

1200 733 0.26 259

785 0.32 318 843 0.35 348 903 0.41 408 960 0.47 467 994 0.50 497

1300 754 0.29 288

826 0.38 378 891 0.43 428 942 0.48 477 991 0.53 527

1047 0.60 597

1400

810 0.35 348 868 0.45 448 937 0.51 507 984 0.57 567

1032 0.62 617 1067 0.67 666

1500

841 0.42 418 911 0.53 527 985 0.61 607

1029 0.66 656 1073 0.72 716 1109 0.77 766

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

957 0.39 388 988 0.43 428

1039 0.45 448 1061 0.47 487 1083 0.53 527 1105 0.57 567

1000

992 0.44 438

1039 0.49 487 1061 0.51 507 1086 0.55 547 1111 0.59 587 1136 0.63 627

1100 1013 0.49 487 1068 0.55 547 1090 0.58 577 1109 0.61 607 1127 0.64 637 1145 0.67 666

1200 1045 0.56 557 1090 0.64 637 1109 0.64 647 1156 0.68 676 1203 0.71 706 1250 0.74 736

1300 1075 0.64 637 1122 0.70 696 1152 0.72 716 1190 0.76 756 1228 0.80 796 1266 0.84 836

1400 1110 0.73 726 1160 0.84 766 1181 0.81 806 1237 0.85 845 1293 0.89 885 1349 0.93 925

1500 1150 0.82 816 1190 1.00 855 1225 0.90 895 1271 0.95 945 1317 1.00 995

1363 1.05 1044

Bhp —

Brake Horsepower Input to Fan

FIOP —

Factory-Installed Option

Watts —

Input Watts to Motor

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 47 48

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