Bryant 548D installation instructions EconoMi$er Wiring

Page 17

Fig. 30 — EconoMi$er Wiring

ECONOMI$ER

 

 

 

 

 

 

BROWN

 

TEMP

 

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIOLET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEMP

 

OUTDOOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OAT

 

 

 

 

 

 

 

 

 

 

 

COM

 

AIR

 

COM

 

 

 

 

 

 

 

 

WHITE

 

OUT

 

SENSOR

 

OAH

 

 

 

 

 

 

 

 

 

RED

 

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-15 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RAT

 

 

 

 

BROWN

 

 

 

TEMP

 

 

 

 

COM

 

 

 

 

VIOLET

 

 

 

TEMP

 

RETURN

 

 

 

 

 

 

WHITE

 

 

 

COM

 

AIR

 

RAH

 

 

 

 

 

 

 

 

SENSOR

 

+15 V

 

 

 

 

RED

 

 

 

OUT

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO2 SENSOR

 

CO2 (+)

 

 

 

 

 

 

 

 

 

 

 

V+

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO2 COM

 

 

 

 

 

 

 

 

 

 

 

COM

VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

SUPPLY AIR

 

 

 

 

REM POT

 

 

 

 

 

 

TEMPERATURE SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

PINK

 

TEMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED

 

 

 

 

VIOLET

 

TEMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 31 — EconoMi$er Sensor Wiring

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Image 17
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 FLA81/2 Tons Electrical Data Units With Electrical Convenience OutletMin FLA VI. Adjust FACTORY-INSTALLED Options Stage Unit Voltage208/230 460 575 Durablade Economizer Installation Durablade Economizer Damper Minimum Position Setting EconoMi$er Component Locations Rear EconoMi$er Flange Installation EconoMi$er Wiring Wiring Diagram for Power Exhaust System Changeover Set Points Default Potentiometer SettingsVII. Adjust INDOOR-FAN Speed Typical Belt-Drive Motor Mounting for Size Indoor-Fan Motor Performance Fan Rpm at Motor Pulley SettingsUnit INDOOR-FAN Maximum Acceptable Continuous BHPStandard Motor Belt Drive Fan Performance 548D090 Vertical Discharge UnitsFan Performance 548D102 Vertical Discharge Units 548D120 10 Tons Standard and Alternate Motors Belt Drive Fan Performance 548D120 Vertical Discharge UnitsFan Performance 548D090 Horizontal Discharge Units Fan Performance 548D102 Horizontal Discharge Units Standard and Alternate Motors Belt Drive Fan Performance 548D120 Horizontal Discharge UnitsVI. Refrigerant Service Ports Internal WiringPRE-START-UP START-UP Unit PreparationXII. Safety Relief IX. Adjust GAS InputCooling XI. HeatingCooling, Units With EconoMi$er Service CleaningDefrost Indoor CoilII. Lubrication Refrigerant Charge IV. Economizer AdjustmentCooling Charging Chart 548D102 Problem Cause Remedy TroubleshootingHeating and Cooling Troubleshooting 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.