Bryant 581A operation manual Fan Motor and Drive Data Vertical Supply/Return

Page 7

Table 2 — Fan Motor and Drive Data — Vertical Supply/Return

 

 

210

 

240

 

300

581A

208/230

 

575 v

208/230

575 v

208/230

 

575 v

 

and 460 v

 

and 460 v

and 460 v

 

 

 

 

 

 

 

 

LOW RANGE

 

 

 

 

 

 

 

 

 

Motor Hp

3.7

 

3

 

5

5

7.5

 

7.5

Motor Nominal Rpm

1725

 

1725

 

1745

1745

1745

 

1745

Maximum Continuous Bhp

4.25

 

3.45

 

5.75

5.75

8.63

 

8.63

Maximum Continuous Watts

3698

 

3149

 

4900

4900

7267

 

7267

Motor Frame Size

56HZ

 

56HZ

S184T

184T

S213T

 

S213T

Motor Shaft Diameter (in.)

7/8

 

7/8

 

11/8

11/8

13/8

 

13/8

Fan Rpm Range

647-886

 

810-1072

 

949-1206

949-1206

941-1176

 

941-1176

Motor Pulley Min. Pitch Diameter (in.)

2.7

 

3.1

 

3.7

3.7

4.8

 

4.8

Motor Pulley Max. Pitch Diameter (in.)

3.7

 

4.1

 

4.7

4.7

6.0

 

6.0

Blower Pulley Pitch Diameter (in.)

7.2

 

6.6

 

6.8

6.8

8.9

 

8.9

Blower Pulley Shaft Diameter (in.)

1.1875

 

1.1875

 

1.1875

1.1875

1.1875

 

1.1875

Blower Pulley Type

Fixed

 

Fixed

Fixed

Fixed

Fixed

 

Fixed

Pulley Center Line Distance (in.)

11.293-13.544

11.286-14.475

 

9.81-13.055

9.81-13.055

9.025-12.179

9.025-12.179

Belt, Quantity...Type...Length (in.)

1...BX...38

 

1...BX...38

1...BX...38

1...BX...38

1...BX...42

 

1...BX...42

Speed Change Per Turn — Moveable Pulley (rpm)

48

 

52

 

51

51

47

 

47

Moveable Pulley Maximum Full Turns

6

 

6

 

6

6

6

 

6

Factory Speed Setting (rpm)

767

 

941

 

1078

1078

1059

 

1059

HIGH RANGE

5

 

5

 

7.5

7.5

10

 

10

Motor Hp

 

 

 

 

 

Motor Nominal Rpm

1745

 

1745

 

1745

1745

1745

 

1745

Maximum Continuous Bhp

5.75

 

5.75

 

8.63

8.63

11.5

 

11.5

Maximum Continuous Watts

4900

 

4900

 

7267

7267

9582

 

9582

Motor Frame Size

S184T

 

184T

 

S213T

S213T

S215T

 

S215T

Motor Shaft Diameter (in.)

11/8

 

11/8

 

13/8

13/8

13/8

 

13/8

Fan Rpm Range

897-1139

 

873-1108

 

941-1176

941-1176

1014-1297

 

1014-1297

Motor Pulley Min. Pitch Diameter (in.)

3.7

 

3.7

 

4.8

4.8

4.3

 

4.3

Motor Pulley Max. Pitch Diameter (in.)

4.7

 

4.7

 

6.0

6.0

5.5

 

5.5

Blower Pulley Pitch Diameter (in.)

7.2

 

7.4

 

8.9

8.9

7.4

 

7.4

Blower Pulley Shaft Diameter (in.)

1.1875

 

1.1875

 

1.1875

1.1875

1.1875

 

1.1875

Blower Pulley Type

Fixed

 

Fixed

 

Fixed

Fixed

Fixed

 

Fixed

Pulley Center Line Distance (in.)

9.81-13.055

 

9.81-13.055

 

9.025-12.179

9.025-12.179

9.025- 2.179

9.025-12.179

Belt, Quantity...Type...Length (in.)

1...BX...38

 

1...BX...38

 

1...BX...42

1...BX...42

2...BX...38

 

2...BX...38

Speed Change per Turn — Moveable Pulley (rpm)

48

 

47

 

47

47

57

 

57

Moveable Pulley Maximum Full Turns

6

 

6

 

6

6

6

 

6

Factory Speed Setting (rpm)

1018

 

991

 

1059

1059

1156

 

1156

LEGEND

Bhp — Brake Horsepower

7

Image 7
Contents Safety Considerations ContentsInstallation Provide Unit Support III. RIG and Place Unit II. Remove Shipping RailsRoof Curb Details Shipping Rail Removal Base Unit Dimensions Compressor Physical DataFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Horizontal Applications Vertical ConfigurationIV. Field Fabricate Ductwork Make Unit Duct ConnectionsVIII. Install GAS Piping VI. Install Flue Hood and Inlet HoodVII. Trap Condensate Drain Field Control Wiring Field Power SupplyIX. Make Electrical Connections Manual Damper Assembly Install OUTDOOR-AIR HoodFLA MCA Mocp Electrical Data Units Without Convenience OutletElectrical Data Units With Optional Convenience Outlet Outdoor-Air Hood Details XII. NON-FUSED Disconnect XIII. Install ALL AccessoriesSTART-UP III. Refrigerant Service PortsVI. Internal Wiring PRE-START-UPXI. GAS Heat VIII. Condenser Fans and MotorsIX. RETURN-AIR Filters OUTDOOR-AIR Inlet ScreensFan Performance 581A210 Medium Heat Vertical Discharge Units Fan Performance 581A240 Low Heat Vertical Discharge Units Fan Performance 581A210 High Heat Vertical Discharge UnitsFan Performance 581A240 High Heat Vertical Discharge Units Fan Performance 581A240 Medium Heat Vertical Discharge UnitsFan Performance 581A300 Medium Heat Vertical Discharge Units Fan Performance 581A300 Low Heat Vertical Discharge UnitsGeneral Notes for Tables Fan Performance 581A300 High Heat Vertical Discharge UnitsFan Performance 581A210 Low Heat Horizontal Discharge Units Fan Performance 581A240 Low Heat Horizontal Discharge Units Fan Performance 581A210 High Heat Horizontal Discharge UnitsFan Performance 581A240 High Heat Horizontal Discharge Units Fan Performance 581A300 Low Heat Horizontal Discharge Units Fan Performance 581A300 High Heat Horizontal Discharge Units Power Exhaust Fan PerformanceOperation Air Quantity Limits Evaporator Fan Motor SpecificationsXII. Optional ECONOMI$ER Accessory/FIOP Static Pressure in. wgFan Rpm at Motor Pulley Settings EconoMi$er IV Controller Wiring and Operational ModesEconoMi$er IV Component Locations Exploded View Supply-Air Temperature Sensor LocationEconoMi$er IV Wiring Enthalpy Changeover Set Points Page XII. Operating Sequence CO2 Sensor Standard SettingsCooling, Units Without Economizer Cooling, Units With EconoMi$er Service CleaningCoil Maintenance and Cleaning Recommendation Heating, Units Without EconomizerMain Burner Condensate DrainFilters Outdoor-Air Inlet ScreensII. Lubrication III. Evaporator FAN Service and ReplacementVI. CONDENSER-FAN Adjustment Fig IV. Evaporator FAN Performance AdjustmentBelt Tension Adjustment Belt Tension AdjustmentIX. GAS Valve Adjustment VII. Power FailureVIII. Refrigerant Charge XI. Filter Drier Main BurnersXII. Protective Devices XIII. Relief Devices XV. Replacement PartsXIV. Control Circuit Low Voltage Control Schematic Low Voltage Control Schematic Power Schematic Component Arrangement Cooling Service Analysis Troubleshooting Unit TroubleshootingProblem Cause Remedy Heating Service AnalysisIGC Control Heating and Cooling II. ECONOMI$ER IV Troubleshooting EconoMi$er IV Input/Output Logic EconoMi$er IV Troubleshooting CompletionCopyright 2005 Bryant Heating & Cooling Systems Catalog no Page Page Page Pressures START-UP ChecklistTemperatures Electrical
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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.

Another key characteristic of the Bryant 581A is its durable construction. Designed to withstand various weather conditions, the unit features a robust cabinet that protects internal components. This durability not only prolongs the lifespan of the system but also minimizes the need for frequent maintenance or repairs. The coil design is optimized for heat transfer efficiency, enhancing the unit's overall performance in both cooling and heating modes.

In terms of technology, the Bryant 581A incorporates advanced control systems that enable precise temperature regulation. The multi-stage cooling capabilities ensure that the system can adapt to varying temperature demands, providing comfort in all seasons. Additionally, the model is compatible with smart thermostats, allowing homeowners to control their HVAC system remotely via smartphone or other connected devices.

Noise reduction is another aspect where the Bryant 581A excels. Equipped with a variable-speed compressor and sound-dampening features, this model operates quietly, minimizing disruption in residential or office environments. This focus on acoustic comfort makes it an ideal choice for those who value a peaceful living or working space.

Overall, the Bryant 581A represents an excellent balance of efficiency, durability, and modern technology. With features aimed at enhancing user comfort and reducing operational costs, it stands out as a reliable solution in the competitive HVAC market. Whether for new installations or replacements, the Bryant 581A is a testament to the brand’s commitment to quality and innovation in home climate control.