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36 performance data (cont) – Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B User Manual

Page 36

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36

PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required. (See Note 3.)

2.

indicates field-supplied motor and drive required.

3. Motor drive range is 1120 to 1585 rpm for standard motors; 1300 to 1685 rpm

for high-static motors. All other rpms require a field-supplied drive.

4. Values include losses for filters, unit casing, and wet coils. See page 40 for

accessory/FIOP static pressure information.

5. Maximum continuous bhp is 2.4 for standard motors; 2.9 for high-static

motors. 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 ratings shown will not result in nuisance tripping or premature motor
failure. Unit warranty will not be affected. See Evaporator-Fan Motor Data
tables on pages 41 and 42 for additional information.

6. Use of a field-supplied motor may affect wire sizing. Contact your Bryant rep-

resentative to verify.

7. Interpolation is permissible. Do not extrapolate.

581B072 (6 TONS) — STANDARD MOTOR

AIRFLOW

(Cfm)

EXTERNAL STATIC PRESSURE (in. wg)

0.1

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

1800

885

0.63

942

0.73

1047

0.90

1139

1.05

1193

1.14

1276

1.30

1341

1.40

1413

1.55

1474

1.58

1900

928

0.73

982

0.83

1084

1.02

1160

1.11

1223

1.24

1301

1.38

1374

1.53

1437

1.62

1490

1.67

2000

971

0.84

1022

0.94

1121

1.12

1188

1.22

1254

1.36

1329

1.44

1396

1.66

1460

1.68

1509

1.77

2100

1015

0.97

1063

1.10

1140

1.18

1196

1.27

1272

1.45

1354

1.58

1413

1.75

1475

1.73

1529

1.92

2200

1060

1.10

1104

1.20

1159

1.23

1229

1.41

1306

1.53

1363

1.70

1434

1.81

1487

1.85

1554

2.07

2300

1104

1.25

1130

1.27

1196

1.37

1264

1.56

1340

1.66

1397

1.86

1459

1.88

1520

2.07

1576

2.24

2400

1138

1.30

1174

1.37

1245

1.57

1305

1.63

1373

1.84

1440

1.95

1502

2.06

1552

2.24

1604

2.42

2500

1183

1.43

1201

1.50

1284

1.65

1338

1.75

1402

1.99

1469

2.04

1524

2.24

1585

2.42

1638

2.60

2600

1210

1.58

1243

1.67

1312

1.76

1366

1.96

1435

2.10

1494

2.19

1552

2.40

1616

2.63

1671

2.80

2700

1254

1.76

1285

1.80

1354

1.95

1403

2.14

1474

2.21

1536

2.46

1584

2.61

1646

2.83

1706

2.97

2800

1274

1.82

1304

1.85

1374

2.12

1459

2.25

1514

2.42

1570

2.66

1624

2.85

1677

2.99

2900

1318

1.95

1345

2.05

1412

2.32

1496

2.45

1529

2.61

1603

2.87

1671

3.03

3000

1362

2.20

1378

2.30

1451

2.40

1534

2.66

1560

2.81

1611

3.01

581B072 (6 TONS) — HIGH-STATIC MOTOR

AIRFLOW

(Cfm)

EXTERNAL STATIC PRESSURE (in. wg)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

1800

942

0.73

1047

0.90

1139

1.05

1193

1.14

1276

1.30

1341

1.40

1413

1.55

1474

1.58

1522

1.74

1566

1.89

1900

982

0.83

1084

1.02

1160

1.11

1223

1.24

1301

1.38

1374

1.53

1437

1.62

1490

1.67

1538

1.84

1583

2.00

2000

1022

0.94

1121

1.12

1188

1.22

1264

1.36

1329

1.44

1396

1.66

1460

1.68

1509

1.77

1558

1.95

1603

2.12

2100

1063

1.10

1140

1.18

1196

1.27

1272

1.45

1354

1.58

1413

1.75

1475

1.73

1529

1.92

1578

2.11

1624

2.30

2200

1104

1.20

1159

1.23

1229

1.41

1306

1.53

1363

1.70

1434

1.81

1487

1.85

1554

2.07

1604

2.28

1651

2.48

2300

1130

1.27

1196

1.37

1264

1.56

1340

1.66

1397

1.86

1459

1.88

1520

2.07

1576

2.24

1627

2.46

1674

2.68

2400

1174

1.37

1245

1.57

1305

1.63

1373

1.84

1440

1.95

1502

2.06

1552

2.24

1604

2.42

1656

2.66

1704

2.90

2500

1201

1.50

1284

1.65

1338

1.75

1402

1.99

1469

2.04

1524

2.24

1585

2.42

1638

2.60

1691

2.86

1740

3.12

2600

1246

1.67

1312

1.76

1366

1.96

1435

2.10

1494

2.19

1552

2.40

1616

2.63

1671

2.80

1726

3.09

1775

3.35

2700

1285

1.80

1354

1.95

1403

2.14

1474

2.21

1536

2.46

1584

2.61

1646

2.83

1706

2.97

1761

3.27

2800

1304

1.85

1374

2.12

1459

2.25

1514

2.42

1570

2.66

1624

2.85

1677

2.99

1739

3.33

1795

3.67

2900

1345

2.05

1412

2.32

1496

2.54

1529

2.61

1603

2.87

1671

3.03

1742

3.43

3000

1378

2.30

1451

2.40

1534

2.66

1560

2.81

1611

3.01

1692

3.49

1764

3.95

Bhp

Brake Horsepower Input to Fan

FIOP — Factory-Installed Option