Allied Air Enterprises manual 4AC16LT Series, Lennox International Inc. Company

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INSTALLATION AND MAINTENANCE INSTRUCTIONS

4AC16LT SERIES

Split System Air Conditioner

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WARNING

The equipment covered in this manual is to be installed by trained and experienced service and installation technicians. Improper installation, modification, service, or use can cause electrical shock, fire, explosion, or other conditions which may cause personal injury, death, or property damage. Use appropriate safety gear including safety glasses and gloves when installing this equipment.

WARNING

Risk of electrical shock. Disconnect all remote power supplies before installing or servicing any portion of the system. Failure to disconnect power supplies can result in property damage, personal injury, or death.

WARNING

Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical components. Only trained and qualified service personnel should install or service this equipment. Installation and service performed by unqualified persons can result in property damage, personal injury, or death.

WARNING

Sharp metal edges can cause injury. When installing the unit, use care to avoid sharp edges.

TABLE OF CONTENTS

 

INSTALLATION

2

START-UP

12

OPERATION

16

MAINTENANCE

20

CONNECTION DIAGRAM

22

Manufactured By

Allied Air Enterprises, Inc.

A Lennox International Inc. Company

215 Metropolitan Drive

West Columbia, SC 29170

*506467-01*

506467-01

Issue 1008

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Contents Lennox International Inc. Company 4AC16LT SeriesInstallation Clearances InstallationTorque Table Slab MountingSlab Mounting Electrical WiringThermostat Designations Refrigerant PipingPlacement Installing Refrigerant LineLine Set Isolation Refrigerant Line Sets Installing Horizontal Runs Outside Unit Placement InstallationRefrigerant Metering Device on Refrigerant Line Sets Transition from Vertical to Horizontal Flushing Existing Line Set and Indoor Coil Flushing ConnectionsTXV Data Refrigerant Metering DeviceTo Access the Schrader Port Liquid and Suction Line Service ValvesTo Close Liquid or Suction Line Service Valve Suction Line Ball Type Service ValveLeak Testing Ball Type Service Valve Valve OpenUsing an Electronic Leak Detector EvacuationPage START-UP Refrigerant Charge AdjustmentRefrigerant Charging Blocking Outdoor Coil Charge Using Weigh-In MethodSubcooling Values R410A Temperature/Pressure ChartApproach Values for TXV Systems Issue 24VAC Power Wiring Interpreting the Diagnostic LEDsThermostat Demand Wiring OperationLED Flash CodesFault Description Troubleshooting Information Status Sensing holes Miswired Module TroubleshootingIndoor Coil MaintenanceIndoor Unit 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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