LENNOX ROOFTOP UNITS

Model L™



Lennox Rooftop Units


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lennox raider rooftop unit

ENERGY OPTIMIZATION

Model L Lennox rooftop units deliver the lowest total cost of ownership through variable-speed components and intelligent operation.

  • Energy-saving efficiency ratings of up to 22.5 SEER, 23.3 IEER, and 15.0 EER are among the highest in the industry.
  • Optimized humidity control with enhanced dehumidification and optional Humiditrol™+ reduces energy usage over traditional hot-gas reheat systems.
  • Qualifies for rebate programs, delivering even more ways to save money.

ENGINEERED INTELLIGENCE

The Lennox® CORE Control System delivers connected service, open integration, reliable performance, and efficiency optimization to empower all parts of your organization.

  • Mobile App interface provides intuitive guided setup, reports, and parameter adjustment to optimize unit operation.
  • Open integration and control with standard BACnet IP & MS/TP, LONTalk, thermostats, and all-new wireless sensors allow freedom of choice and custom monitoring and control.
  • Diagnostics and sensor system monitors component performance, tracks capacity and efficiency, and alerts when necessary, enabling smart asset management.

COMPLETE COMFORT

Advanced technologies deliver premium comfort and indoor air quality in a wide range of applications.

  • Humiditrol™+, Lennox’s new modulating hot gas reheat dehumidification system, provides energy-efficient dehumidification for superior indoor air quality and year-round comfort.
  • UVC germicidal lights and high-MERV filter options provide indoor air quality solutions for comfortable air in diverse climate zones.
  • Modulating compressors and fans optimize efficiency and comfort to meet space demands in both single-zone and multi-zone VAV applications.

SIMPLE SERVICE

Model L rooftop units maximize the efficiency of maintenance and service operations, reducing operational costs and minimizing downtime.

  • The mobile app interface, Lennox CORE Service App, integrates diagnostic, test, and troubleshooting functionalities, reducing install times over traditional built-in interfaces.
  • DirectPlus™ blower standard up to 12.5 tons eliminates traditional belt-drive maintenance and costs.
  • The Simple Service System offers tool-less filter access, slide-out blower, isolated compressor compartment, and accessible gas compartment, which further reduces service time.

ADVANCED HVAC SOLUTIONS

VARIABLE-SPEED TECHNOLOGIES

Model L units feature a lead variable-speed compressor and variable-speed blower to maintain a constant discharge air and room temperature to efficiently deliver complete comfort.

  • HUMIDITROL+
    • Humiditrol+ is a modulating hot-gas reheat dehumidification system that can vary the sensible and latent capacity of the Model L unit to better match the dehumidification demand of the space.
  • ENHANCED DEHUMIDIFICATION MODE
    • Model L units are enabled with enhanced dehumidification (EDH) mode, which is designed to provide additional dehumidification when both cooling and dehumidification demands are present.
  • DIRECTPLUS™ BLOWER
    • 3-12.5-ton Model L units are equipped with a direct-drive, variable-speed blower that eliminates maintenance and service costs associated with traditional belt-drive motors.

ULTIMATE IAQ SYSTEM

Factory or Field Installed

  • Healthy Climate® High-Efficiency Air Filters
    • Disposable MERV 8, MERV 13, or MERV 16 (Minimum Efficiency Reporting Value based on ASHRAE 52.2) efficiency 2-inch pleated filters
  • Needlepoint Bipolar Ionization (NPBI) Kit
    • NPBI technology integrates with system controls for effective air treatment Ionization has been shown to effectively reduce harmful pathogens, pollutants, and odors. Brush-type ionizer introduces a high concentration of both positive and negative ions into the air stream
    • These bipolar ions are then dispersed into the occupied space through the duct system proactively reducing the airborne contaminants.
    • Ions travel within the building air stream and attach to particles, pathogens, and gas molecules, making them larger and easier to capture in the filtration system
    • UL 2998 certified for zero ozone emission
  • Healthy Climate® UVC Germicidal Lamps
    • Germicidal lamps emit ultra-violet (UV-C) energy, which has been proven to be effective in reducing microbes such as viruses, bacteria, yeasts, and molds. This process either destroys the organism or controls its ability to reproduce
    • UV-C energy greatly reduces the growth and proliferation of mold and other bioaerosols (bacteria and viruses) on illuminated surfaces (particularly the coil and drain pan)

Energence®



Lennox Rooftop Units


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lennox energence rooftop unit

Efficiency

  • Up to 18.0 SEER, 16.0 IEER and 12.8 EER
  • Optional SmartAirflow® system can save up to 35% of annual ventilation energy consumption compared to traditional rooftop units
  • Available MSAV® supply fan provides year-round savings and comfort with reduced energy consumption, improved indoor air quality and code compliance
  • Available in 3-50 tons (gas/electric and electric/electric)
  • Exceeds ASHRAE 90.1-2010 minimum standards by 92%
  • ENERGY STAR® qualified
  • Available factory- or field-installed high-performance economizer meets Title 24 requirements

Efficiency

  • Up to 18.0 SEER, 16.0 IEER and 12.8 EER
  • Optional SmartAirflow® system can save up to 35% of annual ventilation energy consumption compared to traditional rooftop units
  • Available MSAV® supply fan provides year-round savings and comfort with reduced energy consumption, improved indoor air quality and code compliance
  • Available in 3-50 tons (gas/electric and electric/electric)
  • Exceeds ASHRAE 90.1-2010 minimum standards by 92%
  • ENERGY STAR® qualified
  • Available factory- or field-installed high-performance economizer meets Title 24 requirements

Serviceability

  • Hinged access panels provide quick access to components and protect panels and roof from damage during servicing
  • Isolated compressor compartment allows performance check during normal compressor operation without disrupting airflow
  • Slide-out blower allows quick belt tensioning, adjustment or replacement and makes cleaning the blower easier
  • BACnet® module allows two-way communication for system monitoring, diagnostics and remote troubleshooting

Reliability

  • Environ™ coil system significantly reduces refrigerant charge requirements and offers innovative technology that helps maximize reliability and sustainability
  • Prodigy® 2.0 unit controller with enhanced user interface makes setup, troubleshooting and servicing easier than ever. Each unit tracks the runtime of every major component and records the date and time when service or maintenance is performed.
  • SmartWire™ system simplifies field sensor or thermostat installation through advanced connectors that are keyed and color-coded to help prevent miswiring
  • Scroll compressor provides reliable, long-term operation
  • Thermostatic expansion valves provide peak cooling performance across the entire application range (fixed orifices are available on standard-efficiency 12.5-ton model)
  • Interlink compressor delivers increased reliability and better efficiency

Options

Ultra-Low NOx rooftop units are available in 3 to 5 tons. Energence Ultra-Low NOx units are designed to meet California’s New Gas Heat Emissions Rule 1111.

Factory-installed options

  • Blower belt auto-tensioner
  • HACR circuit breakers
  • Direct-drive blower motor
  • Belt-drive blower motor
  • Drive kits
  • Corrosion protection
  • Novar LSM
  • Phase monitor
  • Humiditrol® dehumidification system
  • Gas heat input
  • Stainless steel heat exchanger
  • Service valves

Factory- or field-installed options

  • MERV 8 and 13 high-efficiency air filters
  • Condensate drain trap
  • Blower proving switch
  • Prodigy BACnet module (BTL certified)
  • Prodigy LonTalk® module (LonTalk certified)
  • Dirty filter switch
  • Fresh air tempering
  • Smoke detector (return and/or supply)
  • Disconnect switch
  • GFI service outlets
  • Economizer
  • Outdoor air damper
  • UVC germicidal lamps
  • Barometric relief dampers
  • Low-temperature vestibule heater
  • Power exhaust

Field-installed options

  • Coil guards
  • Hail guards
  • Horizontal economizer control kit
  • Humidity sensor
  • CO2 sensor
  • LPG/propane conversion kit

Landmark®



Lennox Rooftop Units


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lennox landmark rooftop unit

Efficiency

    • 7.5- to 25-ton high-efficiency units
    • 2- to 10-ton high-efficiency and dual fuel units
    • Up to 16.5 SEER, 16.0 IEER and 13 EER
    • 2 to 25 tons (gas/electric and electric/electric)
    • 2 to 20 tons (heat pump)
    • Meet or exceed ASHRAE 90.1-2010 standards
    • Available MSAV® supply fan provides year-round savings and comfort with reduced energy consumption, improved indoor air quality and code compliance
    • Up to 61% supply fan savings with optional MSAV
    • Direct-spark ignition enhances efficiency
    • Available factory- or field-installed high-performance economizer meets Title 24 requirements

Reliability

    • Landmark units with the most popular features and configurations are stocked and ready for fast delivery or pickup at commercial depots across North America
    • Pre-defined supply fan motor/drive combinations make selecting components to meet static and airflow requirements quick and easy
    • Thermostatic expansion valves on high-efficiency models and fixed orifice on standard-efficiency models
    • Environ™ Coil System provides reliable operation in a wide range of applications
    • Scroll compressor provides reliable, long-term operation

Serviceability

    • Isolated compressor compartment allows performance check during normal compressor operation without disrupting airflow
    • Slide-out blower allows quick belt tensioning, adjustment or replacement and makes cleaning the blower easier
    • Accessible gas compartment provides generous space to access all gas components, making analysis and service easier
    • Optional hinged access panels provide quick access to components and protect panels and roof from damage during servicing
    • Full-perimeter base rail provides greater structural integrity, so the unit is easier to handle when rigging and transporting
    • Fork slots on three sides make it easy to pick up and transport units from almost any angle
    • Independent motor mount allows for easy and efficient service access without removing the top panel
    • Environ™ Coil System on B-Series 2- to 5-ton and all 6- to 25-ton gas/electric and electric/electric units reduces the time necessary to clean the condensing coil

Comfort/IAQ

    • Patented Humiditrol® dehumidification system allows for independent control of temperature and humidity, providing enhanced comfort control
    • Corrosion-resistant, removable, double-sloped drain pan provides application flexibility, durability and improved serviceability
    • First stage operation of the optional MSAV® supply fan reduces humidity, providing better space comfort
    • Field- or factory-installed MERV 8 or 13 filters reduce airborne particles

Options

Field-installed accessories
    • Field-powered GFI
    • Disconnects
    • Economizers with single or dual enthalpy control
    • Electric heat
    • 50% constant volume powered exhaust fan
    • CO2 sensor
    • Return and supply air smoke detectors
    • Low ambient kits
    • Hail guards
    • Coil guards
    • Link to the L Connection® Network line of commercial controls with an optional Network Thermostat Controller
    • LPG Conversion Kit (gas/electric and dual fuel)
    • -40°F cold weather kit (gas/electric and dual fuel)
    • Combustion air intake or flue exhaust extensions (gas/electric only)
    • Blower proving switch
    • Dirty filter switch
    • Bottom gas piping kit (gas/electric and dual fuel)
    • Healthy climate high-efficiency air filters
    • Healthy climate UVC light kit
    • Hybrid curbs

Factory-installed options

    • MSAV (multi-stage air volume) supply fan
    • Coil corrosion protection
    • Stainless steel heat exchanger
    • Hinged doors

Factory options or field accessories

    • Economizers
    • Barometric relief dampers
    • Standard and high-static drive kits
    • Heaters (electric/electric only)
    • BACnet® module
    • Motorized air damper
    • Manual air damper

Raider®



Lennox Rooftop Units


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lennox raider rooftop unit

Efficiency

  • Up to 14.0 SEER, 11.7 EER, 15.0 IEER
  • 3- to 12.5-ton gas/electric and electric/electric configurations and 3- to 10-ton heat pump configurations
  • Available MSAV® supply fan provides year-round savings and comfort with reduced energy consumption, improved indoor air quality and code compliance
  • Meets ASHRAE 90.1 standard-efficiency rating
  • Available factory- or field-installed high-performance economizer meets Title 24 requirements

Reliability

  • Over 200 quality checkpoints per unit, including four independent state-of-the-art refrigerant leak tests
  • Standard Environ™ Coil System uses up to 52% less refrigerant, is up to 59% lighter and has up to 20% fewer brazed joints than typical rooftop units
  • Full-perimeter base rail provides greater structural integrity, so the unit is easier to handle when rigging and transporting
  • High-pressure switch improves reliability by safeguarding compressor from extreme operating conditions
  • Scroll compressor is standard on all units and provides reliable long-term operation
  • Predefined supply fan motor/drive combinations make selecting components to meet static and airflow requirements quick and easy

Serviceability

  • Easy filter replacement through tool-less access panels
  • Gas compartment access panel provides easy access to all gas valves
  • Compressor compartment door allows system checks without the need of removing panels
  • Fork slots on three sides make it easy to pick up and transport units from almost any angle
  • Electrical lines can be brought through the unit base or horizontal access knock-outs for fast, easy installation system monitoring, diagnostics and remote troubleshooting

Compatibility

  • Up to $1,500* in savings per unit on many replacement jobs where the Raider unit matches the footprint eliminating the use of an adaptor curb and moving electrical and plumbing connections
  • Footprint is compatible with 20+ years of existing units, eliminating cost of adaptor curb in many jobs
  • Matches existing electrical and plumbing connections, reducing installation costs in many jobs
  • Up to 18% lighter weight than units in its class helps prevent structural engineering costs
  • Optional BACnet, the industry’s leading networking protocol, for seamless integration with building automation systems
  •   *$1,500 savings is calculated in replacement jobs where the Raider unit
    matches the footprint eliminating the need for an adapter curb, any
    plumbing, electrical and/or structural engineering costs.

Availability

  • Available through Lennox commercial distribution facilities and select Lennox PartsPlus® stores
  • Same day or next day shipping for most of the U.S. and Canada
  • Dedicated hotline provides quotes within minutes