Lennox Model L™ Rooftop Units

Overview

The Lennox Model L™ packaged rooftop units are designed for superior temperature and humidity control in a wide range of commercial applications. These units feature advanced variable speed technology for high energy efficiency.

Key Features

• Variable Capacity Scroll Compressors
• Environ™ Coil System
• Variable-Speed ECM Outdoor Coil Fan Motors
• Lennox® CORE Control System
• Humiditrol®+ Dehumidification System
• SmartWire™ System
• ASHRAE Standard 90.1 and ENERGY STAR® certified

Model Identification

The product's model number, such as LCM 240 U5 MN1Y, encodes key specifications including capacity, efficiency, voltage, and heat options.

Cooling System

The cooling system utilizes R-454B refrigerant, known for its low Global Warming Potential (GWP) and zero Ozone Depletion Potential (ODP). It includes features like multiple compressors, thermal expansion valves, and filter/driers for optimal performance and protection.

Cabinet and Construction

Constructed with heavy-gauge steel panels and a galvanized steel base rail, the units are built for durability. Features include hinged access panels, corrosion protection, and options for various airflow configurations (downflow or horizontal).

Control System

The Lennox® CORE Control System provides flexible control and integration capabilities. It supports DDC, BACnet, and LonTalk protocols, and offers features like a mobile service app for setup and troubleshooting.

Options and Accessories

A variety of options are available to enhance unit performance and functionality, including high-performance economizers, power exhaust fans, indoor air quality solutions (filters, UVC germicidal lights, bipolar ionization), and various roof curb options.