Bryant 548J*14D installation instructions Install Accessories, Pre-Start and Start-Up

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Step 12 — Install Accessories

Available accessories include:

Roof Curb (must be installed before unit)

Thru-base connection kit (must be installed before unit is set on curb; see page 15)

Manual outside air damper

Two-Position motorized outside air damper (see page 9)

EconoMi$er IV (with control and integrated barometric relief; see page 8)

EconoMi$er2 (without control/for external signal and integrated barometric relief; see page 8)

Power Exhaust

Differential dry-bulb sensor (EconoMi$er IV) Outdoor enthalpy sensor

Differential enthalpy sensor Electric Heaters (see page 16) Single Point kits (see page 17) Thermostat / Sensors (see pages 21-22) CO2 sensor (see pages 22-24) Louvered hail guard

Phase monitor control

Refer to separate installation instructions for information on installing these accessories.

Pre-Start and Start-Up

This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start-up instructions.

548J*14D

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Contents Installation Instructions Safety Considerations Unit Dimensional Drawing Size 14 Unit Plan for Unit Location Service Clearance Dimensional DrawingPlan for Sequence of Unit Installation Inspect UnitProvide Unit Support Roof Curb Details For Units with Accessory Electric Heaters Field Fabricate DuctworkRig and Place Unit 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 SettingsSingle Point Boxes Heater and Supplementary FusesHeater Low-Voltage Control Connections Outdoor Air Enthalpy Control PNO 33CSENTHSW Return Air Enthalpy SensorDifferential Enthalpy Control 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$er2Indoor Air Quality CO2 sensor RTU-MP T-56 Sensor ConnectionsConnecting Discrete Inputs Outdoor Air Quality Sensor PNO 33ZCSENCO2 plusWeatherproof enclosure Local Access Communication Wiring ProtocolsRTU-MP Troubleshooting GeneralLEDs on the RTU-MP show the status of certain functions LEDsSystem Smoke DetectorsController SensorSmoke Detector Locations Supply AirReturn Air with Economizer Return Air Detector Shipping Position Completing Installation of Return Air Smoke SensorNone Unit Wire/Fuse or Hacr Breaker Sizing DataPwrd C.O EconoMi$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.