Bryant 548F User Manual download pdf (Page 31)

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Table 21 — Fan Performance, 548F036 High-Static Motor — Horizontal Discharge Units

LEGEND

*Motor drive range: 1075 to 1455 rpm. All other rpms require field-

supplied drive.

NOTES:

Boldface

indicates field-supplied drive is required.

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

Table 7 for accessory/FIOP static pressure information.

3. Maximum continuous bhp is 2.4 and the maximum continuous watts

are 2120. 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. See Indoor-Fan Motor Performance,

Table 6 for additional information.

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

Bryant representative for details.

5. Interpolation is permissible. Do not extrapolate.

Table 22 — Fan Performance, 548F048 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.

548F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*

Airflow

(Cfm)

External Static Pressure (in. wg)

0.2 0.4 0.6 0.8 1.0

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

900 584 0.08 99 734 0.22 219 875 0.27 269 953 0.35 348 1028 0.42 438

1000 627 0.13 149 800 0.26 259 895 0.31 308 977 0.39 388 1064 0.48 477

1100 670 0.16 189 812 0.29 288 914 0.35 348 1005 0.43 428

1100 0.52 527

1200 710 0.23 229 840 0.32 318 938 0.40 398 1038 0.50 497

1136 0.59 577

1300 752 0.27 269 868 0.37 368 963 0.45 448 1061 0.56 557

1172 0.65 647

1400 776 0.31 308 891 0.42 418 983 0.51 507 1071 0.60 597

1208 0.70 706

1500 816 0.38 378 924 0.48 477 1014 0.58 577

1097 0.68 676 1245 0.74 776

548F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)

Airflow

(Cfm)

External Static Pressure (in. wg)

1.2 1.4 1.6 1.8 2.0

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

900

1120 0.54 537 1155 0.59 589 1186 0.64 639 1215 0.69 685 1240 0.73 730

1000

1185 0.60 597 1222 0.66 655 1255 0.71 709 1285 0.77 761 1312 0.82 811

1100

1225 0.65 647 1263 0.71 709 1298 0.77 769 1328 0.83 825 1357 0.88 879

1200

1266 0.72 716 1306 0.79 786 1341 0.86 851 1373 0.92 914 1402 0.98 973

1300

1306 0.79 786 1347 0.87 862 1383 0.94 934 1416 1.01 1003 1446 1.07 1068

1400

1347 0.87 865 1389 0.95 950 1427 1.03 1029

1461 1.11 1104 1492 1.18 1176

1500

1385 0.96 955 1428 1.05 1048

1467 1.14 1135 1502 1.22 1218 1534 1.30 1298

Bhp —

Brake Horsepower Input to Fan

FIOP —

Factory-Installed Option

Watts —

Input Watts to Motor

548F048 (4 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

1200

0.93 0.41 458 0.97 0.45 506 1.04 0.51 572 1.09 0.56 632

1300

0.86 0.42 471 0.90 0.46 521 0.96 0.52 589 1.02 0.58 651

1400

0.78 0.45 503 0.84 0.49 556 0.90 0.54 616 0.96 0.60 681

1500

0.73 0.47 536 0.76 0.52 593 0.83 0.56 631 0.89 0.62 698

1600

0.67 0.49 557 0.70 0.54 616 0.75 0.58 654 0.82 0.64 723

1700

0.60 0.52 584 0.63 0.57 646 0.67 0.60 678 0.74 0.66 750

1800

0.51 0.54 610 0.54 0.60 674 0.62 0.62 698 0.69 0.68 772

1900

0.40 0.56 629 0.45 0.62 696 0.54 0.64 720 0.62 0.70 796

2000

0.32 0.58 661 0.33 0.65 731 0.47 0.66 744 0.54 0.73 823

Bhp —

Brake Horsepower Input to Fan

ESP —

External Static Pressure (in. wg)

FIOP —

Factory-Installed Option

Watts —

Input Watts to Motor

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 47 48

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Bryant 548F User Manual Page 31

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