Bryant operation manual Fan Performance 581A240360 High Heat Units

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Table 10 — Fan Performance — 581A240360 (High Heat Units)

 

 

 

 

 

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

CFM

 

0.2

 

 

0.4

 

 

0.6

 

 

0.8

 

 

1.0

 

 

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

Bhp

6,000

868

2752

3.26

934

2987

3.54

997

3227

3.83

1058

3470

4.12

1115

3716

4.41

6,500

929

3201

3.80

991

3436

4.08

1051

3675

4.36

1108

3917

4.65

1162

4163

4.94

7,000

991

3687

4.37

1049

3923

4.65

1105

4161

4.94

1159

4403

5.22

1211

4647

5.51

7,500

1054

4211

5.00

1109

4447

5.28

1161

4686

5.56

1213

4926

5.84

1262

5170

6.13

8,000

1117

4773

5.66

1168

5009

5.94

1218

5247

6.22

1267

5488

6.51

1314

5731

6.80

8,500

1180

5373

6.37

1229

5609

6.65

1277

5847

6.94

1323

6088

7.22

1368

6331

7.51

9,000

1244

6011

7.13

1290

6247

7.41

1335

6485

7.69

1380

6726

7.98

1423

6968

8.27

9,500

1308

6687

7.93

1352

6924

8.21

1395

7162

8.50

1437

7402

8.78

1479

7644

9.07

10,000

1372

7401

8.78

1414

7638

9.06

1455

7876

9.34

1496

8117

9.63

1535

8358

9.92

 

 

 

 

 

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

CFM

 

1.2

 

 

1.4

 

 

 

 

1.6

 

 

1.8

 

 

2.0

 

 

 

Rpm

Watts

Bhp

Rpm

Watts

 

Bhp

Rpm

 

Watts

Bhp

Rpm

Watts

Bhp

Rpm

Watts

 

Bhp

6,000

1171

3965

4.70

1224

4216

 

5.00

1276

 

4469

5.30

1326

4726

5.61

1374

4983

 

5.91

6,500

1215

4410

5.23

1266

4659

 

5.53

1316

 

4911

5.83

1364

5165

6.13

1411

5421

 

6.43

7,000

1262

4894

5.81

1311

5142

 

6.10

1358

 

5392

6.40

1404

5645

6.70

1449

5899

 

7.00

7,500

1310

5415

6.42

1357

5663

 

6.72

1403

 

5912

7.01

1447

6164

7.31

1490

6416

 

7.61

8,000

1360

5976

7.09

1405

6222

 

7.38

1449

 

6471

7.68

1492

6721

7.97

1533

6973

 

8.27

8,500

1412

6575

7.80

1455

6821

 

8.09

1497

 

7068

8.39

1538

7318

8.68

 

9,000

1465

7212

8.56

1506

7457

 

8.85

1547

 

7705

9.14

 

9,500

1519

7888

9.36

 

 

 

10,000

 

 

 

 

 

 

 

 

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

CFM

 

2.2

 

 

2.4

 

 

 

 

2.6

 

 

2.8

 

 

 

3.0

 

 

 

Rpm

Watts

Bhp

Rpm

Watts

 

Bhp

Rpm

 

Watts

Bhp

Rpm

Watts

 

Bhp

Rpm

Watts

 

Bhp

6,000

1422

5243

6.22

1468

5505

 

6.53

1513

 

5768

6.84

 

 

6,500

1456

5679

6.74

1501

5938

 

7.04

1544

 

6199

7.35

 

 

7,000

1493

6155

7.30

1536

6412

 

7.61

 

 

 

7,500

1533

6670

7.91

 

 

 

 

8,000

 

 

 

 

8,500

 

 

 

 

9,000

 

 

 

 

9,500

 

 

 

 

10,000

 

 

 

 

 

 

LEGEND

Bhp

Brake Horsepower

FIOP

Factory-Installed Option

Watts —

Input Watts to Motor

*Standard low-medium static drive range is 1002 to 1151 rpm. Alternate high-static drive range is 1193 to 1369. Other rpms require a field- supplied drive.

NOTES:

1.Maximum continuous bhp for the standard motor is 9.47 (for 208-v units) and 10.33 (for 230 and 460-v units). The maximum continuous watts is 7915 (for 208 and 575-v units) and 8640 (for 230 and 460-v units). Do not adjust motor rpm such that motor maximum bhp and/ or watts is exceeded at the maximum operating cfm.

2.Static pressure losses (i.e., economizer) must be added to external static pressure before entering Fan Performance table.

3.Interpolation is permissible. Do not extrapolate.4

4.Fan performance is based on wet coils, clean filters, and casing losses. See Table 13 for accessory/FIOP static pressure information.

5.Extensive motor and drive testing on these units ensures that the full bhp and watts range of the motor can be utilized with confidence. Using your fan motors up to the watts or bhp rating shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

6.Use of a field-supplied motor may affect wiring size. Contact your Bryant representative for details.

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Contents Safety Considerations ContentsInstallation Provide Unit Support Roof Curb Details Positioning Alternate Unit SupportII. RIG and Place Unit Roof MountBase Unit Dimensions 581A155 Base Unit Dimensions 581A240 Physical Data Unit 581AIV. Make Unit Duct Connections Install Flue Hood and Wind BaffleIII. Field Fabricate Ductwork 581A180, 240 Unit ShownVI. Trap Condensate Drain VII. Install GAS PipingField Power Supply VIII. Make Electrical ConnectionsManual Outdoor-Air Damper Field Control WiringMake OUTDOOR-AIR Inlet Adjustments Optional EconomizerElectrical Data FLA LRA MCA MocpInstall OUTDOOR-AIR Hood 25% Outdoor-Air Section DetailsEnthalpy Control Installation Seal Strip LocationXI. Install ALL Accessories Motormaster I Control Installation 581A155 and 180 OnlySTART-UP II. Service ValvesIV. Refrigerant Service Ports Unit PreparationVII. Crankcase Heaters VI. Internal WiringXII. Accessory Economizer Adjustment VIII. Evaporator FANBhp Brake Horsepower Fan Performance 581A180270 Low Heat Units Fan Performance 581A240270 Low Heat Units 753 915 844 1077 949 1287 1047 753 942 844 1101 949 Fan Performance 581A180360 High Heat Units Fan Performance 581A240360 High Heat Units Fan RPM at Motor Pulley Setting Evaporator Fan Motor SpecificationsAccessory/FIOP Economizer Static Pressure in. wg Air Quantity LimitsXIII. GAS Heat XIV. Base Unit OperationService Cleaning IV. Evaporator FAN Service and Replacement II. Lubrication581A155 and 180 Units Fig Belt Tension AdjustmentVI. CONDENSER-FAN Adjustment 581A240 Units FigVIII. Power Failure VII. Economizer AdjustmentIX. Refrigerant Charge XII. Filter Drier GAS Valve AdjustmentXI. Main Burners XIII. Protective DevicesXIV. Relief Devices XVI. Replacement PartsXVII. Diagnostic Leds XV. Control CircuitSpark Gap Adjustment Typical Wiring Schematic and Typical Component Arrangement Typical Wiring Schematic 581A180, 208/230 V Unit Shown Typical Component Arrangement 581A180 Shown Cooling Service Analysis TroubleshootingProblem Cause Remedy Heating Service Analysis Burners will not igniteIGC Control Heating and Cooling Packaged Service Training Call for Free CatalogPage Pressures TemperaturesElectrical General
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581A specifications

The Bryant 581A is a pivotal model in the realm of heating, ventilation, and air conditioning (HVAC) systems, known for its robust performance and energy efficiency. As part of the Bryant product lineup, the 581A offers a blend of innovative technologies combined with reliable engineering, making it a suitable choice for both residential and light commercial applications.

One of the standout features of the Bryant 581A is its outstanding energy efficiency. With a Seasonal Energy Efficiency Ratio (SEER) rating of up to 16, this model meets Energy Star qualifications, ensuring that homeowners can enjoy lower utility bills while helping to reduce their environmental footprint. The efficiency is further enhanced by the unit’s environmentally friendly refrigerant, which not only improves performance but also aligns with modern sustainability standards.

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