Bryant 548D Indoor-Fan Motor Performance, Fan Rpm at Motor Pulley Settings, Continuous BHP

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Table 6 — indoor-Fan Motor Performance

UNIT

INDOOR-FAN

UNIT

MAXIMUM ACCEPTABLE

MAXIMUM ACCEPTABLE

MAXIMUM

548D

MOTOR

VOLTAGE

CONTINUOUS BHP*

OPERATING WATTS

AMP DRAW

 

 

208/230

 

 

6.1

090

Standard

460

2.40

2120

2.7

 

 

575

 

 

2.7

 

 

208/230

 

 

6.1

102

Standard

460

2.40

2120

2.7

 

 

575

 

 

2.7

 

 

208/230

 

 

6.1

 

Standard

460

2.40

2120

2.7

120

 

575

 

 

2.7

 

208/230

 

 

7.9

 

 

 

 

 

Alternate

460

2.90

2615

3.6

 

 

575

 

 

3.6

LEGEND

BHP — Brake Horsepower

*Extensive motor and electrical testing on these units ensures that the full horsepower range of the motors can be utilized with confidence. Using fan motors up to the horsepower ratings shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

Table 7 — Fan Rpm at Motor Pulley Settings*

UNIT

 

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

 

548D

0

1/2

1

11/2

 

2

21/2

3

31/2

4

41/2

5

090†

840

815

790

765

 

740

715

690

665

635

615

590

090**

935

910

885

860

 

835

810

785

760

735

710

685

102†

935

910

885

860

 

835

810

785

760

735

710

685

120†

935

910

885

860

 

835

810

785

760

735

710

685

120††

1085

1060

1035

1010

 

985

960

935

910

885

860

835

*Approximate fan rpm shown.

†Indicates standard motor and drive package. ** Indicates alternate drive package only. ††Indicates alternate motor and drive package.

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Contents Safety Considerations ContentsInstallation Provide Unit SupportRoof Curb Details II. Field Fabricate Ductwork III. Install Condensate Drain Line and External TrapIV. RIG and Place Unit PositioningUnit MAX Dimensions Weight Base Unit Dimensions Unit Size 548D Physical DataMake Electrical Connections Field Power Supply575-3-60 460-3-60SIZE† Electrical Data Units Without Electrical Convenience OutletType RLA LRA FLAElectrical Data Units With Electrical Convenience Outlet Min81/2 Tons FLA VI. Adjust FACTORY-INSTALLED Options Unit Voltage 208/230 460 575Stage Durablade Economizer Installation Durablade Economizer Damper Minimum Position Setting EconoMi$er Component Locations Rear EconoMi$er Flange Installation EconoMi$er Wiring Wiring Diagram for Power Exhaust System Default Potentiometer Settings VII. Adjust INDOOR-FAN SpeedChangeover Set Points Typical Belt-Drive Motor Mounting for Size Indoor-Fan Motor Performance Fan Rpm at Motor Pulley SettingsUnit INDOOR-FAN Maximum Acceptable Continuous BHPStandard Motor Belt Drive Fan Performance 548D090 Vertical Discharge UnitsFan Performance 548D102 Vertical Discharge Units 548D120 10 Tons Standard and Alternate Motors Belt Drive Fan Performance 548D120 Vertical Discharge UnitsFan Performance 548D090 Horizontal Discharge Units Fan Performance 548D102 Horizontal Discharge Units Standard and Alternate Motors Belt Drive Fan Performance 548D120 Horizontal Discharge UnitsVI. Refrigerant Service Ports Internal WiringPRE-START-UP START-UP Unit PreparationXII. Safety Relief IX. Adjust GAS InputCooling XI. HeatingCooling, Units With EconoMi$er Service CleaningDefrost Indoor CoilII. Lubrication Refrigerant Charge IV. Economizer AdjustmentCooling Charging Chart 548D102 Troubleshooting Heating and Cooling TroubleshootingProblem Cause Remedy IFC Durablade Economizer TroubleshootingIFO OATEconoMi$er operation limited Damper does not openTo minimum position Damper positionTypical Wiring Diagram Must Voltage Page Temperatures START-UP ChecklistPreliminary Information III. START-UP Electrical

548D specifications

The Bryant 548D heat pump stands out in the HVAC market for its robust performance, energy efficiency, and advanced technology. Known for its reliability, this particular model is designed to provide optimal heating and cooling for both residential and light commercial applications.

One of the standout features of the Bryant 548D is its variable-speed compressor, which allows for precise temperature control and enhances comfort levels in any environment. This technology enables the 548D to operate efficiently at different speeds, adjusting its output based on the heating or cooling demand. As a result, homeowners can enjoy consistent temperature regulation without the wide fluctuations typical of single-stage systems.

In addition to the variable-speed compressor, the Bryant 548D utilizes advanced refrigerant technology. It employs the environmentally friendly Puron refrigerant, which not only improves the unit's efficiency but also reduces its carbon footprint. This makes the 548D a sustainable choice for those looking to minimize their environmental impact while still enjoying superior heating and cooling performance.

Another key characteristic of the Bryant 548D is its impressive energy efficiency rating, often exceeding the minimum requirements set by the Department of Energy. With a high Seasonal Energy Efficiency Ratio (SEER) for cooling in warmer months and an excellent Heating Seasonal Performance Factor (HSPF), the 548D minimizes energy consumption while maximizing comfort.

The 548D also features Quiet Operation technology, ensuring that the system runs quietly in the background without disrupting daily activities. This is particularly beneficial for light commercial spaces or homes where noise can be a concern. The sleek design and compact size make the unit easy to install in various settings without occupying excessive space.

Furthermore, Bryant incorporates advanced smart technology within the 548D model. The system can be integrated with smart thermostats, allowing users to monitor and control their heating and cooling settings remotely. This feature not only enhances convenience but also enables homeowners to program their systems for maximum efficiency.

In conclusion, the Bryant 548D heat pump is an exceptional choice for those seeking a reliable, efficient, and technologically advanced heating and cooling solution. Its combination of variable-speed compression, eco-friendly refrigerant, high energy efficiency, and quiet operation positions it well in the competitive HVAC market, making it a top choice for both residential and light commercial applications. By investing in the Bryant 548D, consumers can enjoy superior comfort and lower energy bills year-round.