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Lennox L Series® RTU.
Packaged Rooftop Unit
Designed to achieve the lowest lifecycle cost™
Energy Efficiency
Standard and high efficiencies available in 3- to 30-tons, up to 13.25 SEER, up to 12.2 EER and up to 15.0 IPLV. ASHRAE 90.1-2004 compliant. Energy Star®-qualified.
Application solutions for efficient operation
Integrated Modular Controller – Provides centralized control and fast, simple troubleshooting to reduce operation and service cost. Humiditrol® Dehumidification System – helps control humidity levels, improving comfort and indoor environmental quality. Multiple Compressors – allow the unit to provide efficient cooling with four-cooling-stage capability. Thermostatic Expansion Valves – provide peak cooling performance across the entire application range for better comfort. Variable Frequency Drives – provides variable air volume unit operation to meet a variety of zoning system needs.
Quick, easy installation and maintenance
Independent Motor Mount – allows for easy, efficient access without removing top panel. Full Perimeter Base Rail – provides greater structural integrity so the unit is easier to handle when rigging and transporting. Slab Coil – permits faster, more thorough coil cleaning.
Reliable performance
Corrosion-Resistant Cabinet – G-90 galvanized steel cabinet under a two-layer painted surface protects against rust and corrosion. Hinged Toolless Access Panels – provide quick access to components and protect panels and roof from damage during service. Isolated Compressor Compartment – allows performance check during normal compressor operation without disrupting airflow. Slide-Out Blower Deck – improves access for belt, blower and motor, reducing maintenance time. High- and Low-Pressure Switches – Safeguard compressor from extreme operating conditions and unnecessary wear and tear.
Warranty
15-Year Limited Warranty on stainless steel heat exchanger. 10-Year Limited Warranty on aluminized heat exchanger. 5-Year Limited Warranty on compressor. 3-Year Limited Warranty on Integrated Modular Controller. 1-Year Limited Warranty on covered components.

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