Bryant 548J14D installation instructions* Completing Installation of Return Air Smoke Sensor

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Completing Installation of Return Air Smoke Sensor:

1.Unscrew the two screws holding the Return Air Sensor detector plate. See Fig. 53. Save the screws.

2.Remove the Return Air Sensor and its detector plate.

3.Rotate the detector plate so the sensor is facing out- wards and the sampling tube connection is on the bot- tom. See Fig. 54.

4.Screw the sensor and detector plate into its operating position using screws from Step 1. Make sure the sampling tube connection is on the bottom and the ex- haust tube is on the top. See Fig. 54.

5.Connect the flexible tube on the sampling inlet to the sampling tube on the basepan.

Controller

Screws

Flexible

Exhaust

Tubes

Sampling Tube

C10331

Fig. 53 - Return Air Detector Shipping Position

Sampling Tube

C10332

Fig. 54 - Return Air Sensor Operating Position

Additional Application Data —

Refer to Catalog No. HKRNKA-1XA for discussions on additional control features of these smoke detectors including multiple unit coordination.

548J*14D

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Contents Installation Instructions Safety Considerations Unit Dimensional Drawing Size 14 Unit Plan for Unit Location Service Clearance Dimensional DrawingProvide Unit Support Plan for Sequence of Unit InstallationInspect Unit Roof Curb Details Rig and Place Unit For Units with Accessory Electric HeatersField Fabricate Ductwork Install Outside Air Hood Convert to Horizontal and Connect Ductwork when requiredEconomizer Hood Removal and Setup Factory Option Positioning on CurbDamper Assembly Economizer Hood and Two-Position Hood Install External Condensate Trap and LineMake Electrical Connections Field Power SupplyMounting Position for Field Disconnects Over 100A Units with Factory-Installed Disconnect Units Without Factory-Installed DisconnectUnit Powered Convenience Outlet Wiring Factory-Option Thru-Base Connections Field Control WiringThermostat Units without Thru-Base ConnectionsUnit without Thru-Base Connection Kit Heat Anticipator SettingsHeater Low-Voltage Control Connections Single Point BoxesHeater and Supplementary Fuses Differential Enthalpy Control Outdoor Air Enthalpy Control PNO 33CSENTHSWReturn Air Enthalpy Sensor RTU-MP Control System RTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs Supply Air Temperature SAT SensorSpace Temperature SPT Sensors Outdoor Air Temperature OAT SensorField Connections EconoMi$er2Indoor Air Quality CO2 sensor RTU-MP T-56 Sensor ConnectionsWeatherproof enclosure Connecting Discrete InputsOutdoor Air Quality Sensor PNO 33ZCSENCO2 plus Local Access Communication Wiring ProtocolsRTU-MP Troubleshooting GeneralLEDs on the RTU-MP show the status of certain functions LEDsSystem Smoke DetectorsController SensorReturn Air with Economizer Smoke Detector LocationsSupply Air Return Air Detector Shipping Position Completing Installation of Return Air Smoke SensorNone Unit Wire/Fuse or Hacr Breaker Sizing DataPwrd C.O EconoMi$er IV Occupancy Switch Adjust Factory-Installed OptionsPre-Start and Start-Up Install Accessories548J*14D 548J*14D Catalog No. II548J---07

548J*14D specifications

The Bryant 548J*14D is a highly efficient and versatile air conditioning unit designed to meet the varying demands of residential and light commercial applications. This model stands out due to its advanced engineering, energy-saving features, and reliable performance, making it an ideal choice for homeowners looking to enhance comfort without compromising on energy efficiency.

One of the main features of the Bryant 548J*14D is its excellent SEER (Seasonal Energy Efficiency Ratio) rating, which signifies its ability to provide cooling while consuming less energy. Optimized for efficiency, this unit employs a high-efficiency compressor that adjusts its output based on cooling demands, allowing it to use only the energy necessary to maintain a comfortable environment.

The unit’s all-aluminum evaporator coil ensures durability and resistance to corrosion, contributing to its longer lifespan and consistent performance. Additionally, the Bryant 548J*14D incorporates advanced refrigeration technologies for maximum heat transfer efficiency. This technology not only enhances cooling performance but also improves overall system reliability.

A key characteristic of the Bryant 548J*14D is its Whisper Series technology designed for quiet operation. The low-noise design minimizes sound levels, allowing for unobtrusive cooling in residential spaces while still ensuring effective airflow and cooling capacity. This makes it particularly favorable for installation in bedrooms and other noise-sensitive areas.

Another noteworthy aspect of the Bryant 548J*14D is its compatibility with the MyBryant smartphone app, which enables homeowners to monitor and control their HVAC systems remotely. This connectivity offers convenience and helps to optimize energy usage, as users can adjust settings based on their schedules and preferences.

Furthermore, the Bryant 548J*14D is designed with a robustness that allows it to withstand diverse weather conditions, ensuring reliable performance even in extreme climates. The unit’s compact design eases installation in various settings, whether it's on rooftops, near walls, or on concrete pads.

In summary, the Bryant 548J*14D is a cutting-edge air conditioning unit that combines energy efficiency, quiet operation, and advanced technologies. With its robust construction, smart features, and reliable performance, it stands as a valuable solution for anyone looking to enhance comfort and save on energy costs in their homes or light commercial environments.