Allied Air Enterprises 4AC16LT manual Maintenance, Indoor Coil, Indoor Unit

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MAINTENANCE

WARNING

Before performing maintenance operations on system, turn the electric power to unit OFF at disconnect switch(es). Unit may have multiple power supplies. Electrical shock could cause personal injury or death.

Maintenance and service must be performed by a quali- fied installer or service agency.

At the beginning of each cooling season, the system should be checked as follows:

1.Clean and inspect condenser coil. Coil may be flushed with a water hose. Be sure the power is off before using water to clean the coil.

2.Outdoor fan motor is pre-lubricated and sealed. No further lubrication is needed.

3.Visually inspect connecting lines and coils for evi- dence of oil leaks.

4.Check wiring for loose connections.

5.Check for correct voltage at unit (with unit operating).

6.Check amp-draw outdoor fan motor.

Unit nameplate _________ Actual _________

NOTE – If owner complains of insufficient cooling, the unit should be gauged and refrigerant charge checked. Refer to the Refrigerant Charging section on page 12.

Indoor Coil

1.Clean coil, if necessary.

2.Check connecting lines and coils for evidence of oil leaks.

3.Check condensate pan line and clean, if necessary.

Indoor Unit

1.Clean or change filters.

2.Adjust blower speed for cooling. Measure the pressure drop over the coil to determine the correct blower CFM.

3.Belt drive blowers: Check belt for wear and proper tension.

4.Check all wiring for loose connections.

5.Check for correct voltage at unit (with unit operating).

6.Check amp-draw on blower motor.

Unit nameplate _________ Actual _________

506467-01

Issue 1008

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Contents 4AC16LT Series Lennox International Inc. CompanyInstallation Installation ClearancesTorque Table Slab MountingElectrical Wiring Slab MountingThermostat Designations Refrigerant PipingLine Set Isolation Installing Refrigerant LinePlacement Refrigerant Metering Device on Outside Unit Placement InstallationRefrigerant Line Sets Installing Horizontal Runs Refrigerant Line Sets Transition from Vertical to Horizontal Flushing Connections Flushing Existing Line Set and Indoor CoilRefrigerant Metering Device TXV DataLiquid and Suction Line Service Valves To Access the Schrader PortTo Close Liquid or Suction Line Service Valve Suction Line Ball Type Service ValveBall Type Service Valve Valve Open Leak TestingUsing an Electronic Leak Detector EvacuationPage Refrigerant Charging Refrigerant Charge AdjustmentSTART-UP Charge Using Weigh-In Method Blocking Outdoor CoilApproach Values for TXV Systems R410A Temperature/Pressure ChartSubcooling Values Issue Interpreting the Diagnostic LEDs 24VAC Power WiringThermostat Demand Wiring OperationFlash Codes LEDFault Description Troubleshooting Information Status Miswired Module Troubleshooting Sensing holesIndoor Unit MaintenanceIndoor Coil Start-Up and Performance Checklist Wiring Diagram P/N

4AC16LT specifications

The Allied Air Enterprises 4AC16LT is a highly efficient air conditioning unit designed to provide optimal cooling solutions for residential and light commercial applications. This model exemplifies the balance of innovative technology and user-friendly features, making it a popular choice for homeowners and contractors alike.

One of the standout characteristics of the 4AC16LT is its ENERGY STAR certification, which signifies its energy efficiency and eco-friendly operation. The unit is engineered to reduce energy consumption while delivering reliable performance, ultimately helping to lower electricity bills for consumers.

The 4AC16LT features a scroll compressor, a technology known for its durability and efficiency. This compressor design not only improves the overall cooling efficiency but also minimizes operational noise, providing a quiet and comfortable indoor environment. The unit's sound levels are notably reduced, making it ideal for residential settings where noise can be a significant concern.

In addition to its efficient compressor, the unit boasts a range of advanced technologies. The integrated smart diagnostic features allow technicians to quickly identify and troubleshoot issues, streamlining maintenance and reducing downtime. This is particularly beneficial for contractors, as it enhances service response times and customer satisfaction.

The 4AC16LT is also equipped with a durable cabinet design, which is resistant to rust and corrosion, ensuring longevity and reliability in various environmental conditions. The pre-painted steel casing not only enhances the unit’s durability but also adds an aesthetic appeal that blends well with most home exteriors.

Further enhancing its appeal, the unit utilizes environmentally friendly refrigerants that comply with current regulations. This commitment to sustainability demonstrates Allied Air Enterprises’ focus on innovation while caring for the environment.

Moreover, the model is designed with ease of installation in mind. The compact size and lightweight construction of the 4AC16LT facilitate straightforward installation, saving time and labor costs for technicians.

In summary, the Allied Air Enterprises 4AC16LT air conditioning unit is a top-tier choice that incorporates energy efficiency, advanced technology, and a user-friendly design. Its combination of quiet operation, robust features, and commitment to sustainability makes it an excellent investment for anyone seeking reliable indoor comfort.
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