Commercial Packaged Rooftop Units 3- to 50-Ton LC/LG Models. Up to 17.0 SEER, Up to 12.8 EER

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1 Commercial Packaged Rooftop Units 3- to 50-Ton LC/LG Models Up to 17.0 SEER, Up to 12.8 EER

2 SAVING ENERGY WITH INTELLIGENCE Designed to intelligently achieve the lowest total cost of ownership Energence rooftop units at a glance: Lowest total cost of ownership without compromising comfort The most energy-efficient light commercial rooftop unit* Exceeds ASHRAE minimum standards by more than 30% The most models in a light commercial rooftop product line that qualify for the highest level of energy rebates** Helps buildings qualify for the most LEED points The perfect choice for sustainable building design Prodigy unit controller intelligently verifies service, operation, and required setup and configuration Unique SmartWire system helps ensure the most accurate setup and the least service time Introducing Lennox innovative new light commercial rooftop units the Energence rooftop unit product line. Energence rooftop units provide the lowest total cost of ownership by lowering energy costs through ultra-efficient design and a unique intelligent controls system. With the Prodigy unit controller, Energence units give you the verification you need: that your units have been installed properly and are operating as intended. This powerful unit controller can also record when service and maintenance are performed and alter operation to help avoid downtime, all while providing the most valuable benefit of all: complete comfort. Built on the Lennox legacy of advanced technology and innovation, Energence rooftop units set the new standard for premium rooftop units. Optimum energy efficiency Energence rooftop units optimize energy usage while providing year-round comfort. Available features minimize blower power during economizer free-cooling mode and the optional blower belt auto tensioner can maintain proper tension of the blower belt, increasing system reliability. The system can also self-monitor and verify the performance of the unit in real time, providing confirmation that the unit is operating efficiently. In addition, the Energence rooftop unit has been recognized by the EPA as ENERGY STAR qualified. This high-efficiency unit surpasses the highest energy rebate levels, resulting in utility savings each month after installation. Maintain comfort All Energence rooftop units can be equipped with Lennox patented Humiditrol dehumidification system for optimum comfort in all environments. Certain models can be equipped with an enhanced Humiditrol dehumidification system that removes more humidity than typical hot-gas reheat systems. Multiple cooling stages (up to four) are available on most Energence models, reducing temperature swings and maintaining tighter temperature control for improved comfort. The Prodigy unit controller improves the overall reliability of the system to help avoid down time, thereby minimizing the disruption to your business, with added comfort for everyone. Improve comfort with patented Humiditrol dehumidification system Efficiency Rating Up to 17.0 SEER and up to 12.8 EER Warranty 15-Year Limited Warranty on stainless steel gas heat exchanger 10-Year Limited Warranty on aluminized gas heat exchanger 5-Year Limited Warranty on compressor 3-Year Limited Warranty on Prodigy unit controller 1-Year Limited Warranty on covered components See warranty certificate for actual details. LGH060 Choose ENERGY STAR qualified products to reduce energy spending and conserve natural resources. Lennox has developed a wide range of products that meet ENERGY STAR guidelines for energy efficiency. Proper sizing and installation of equipment are critical to achieve optimal performance. Must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your contractor for details, or visit * Commercial gas/electric or electric/electric single-packaged rooftop units, 3- to 5-ton units. Claim pertains to 17.0 SEER rating for LGH060H4 unit. Established through review of competitive literature available to the general public in May **Commercial gas/electric single-packaged rooftop units, 3- to 20-ton unit range, based on Consortium of Energy Efficiency s Tier 2 rebate levels. Established through review of competitive literature available to the general public in May 2009.

3 Verification when and where you need it When it comes to understanding and confirming that Energence units are installed properly, the new Prodigy unit controller makes setting up and commissioning the rooftop unit easier than ever. An intuitive and advanced user interface provides guided setup and helps ensure that all components are installed per design specifications. The unit controller can also record component runtime along with service and maintenance histories. This information can be used to help diagnose problems, verify service and maintenance have been performed, and make replace versus repair decisions. Green design with LEED Every Energence rooftop unit is designed to reduce your business carbon footprint. Up to 30% more efficient than ASHRAE 90.1 minimum requirements, Energence rooftop units can reduce carbon emissions equivalent to removing two vehicles from the road.*** With dramatically higher efficiencies and more intelligent designs, Energence rooftop units can help qualify for more LEED points than any other light commercial rooftop. In short, Energence rooftop units are the perfect choice for sustainable green building design. Lennox creates a better, more efficient environment Improving a building's indoor air quality creates a better indoor environment to help protect a company s productivity and profitability. Lennox patented Humiditrol dehumidification system removes moisture based on humidity requirements rather than temperature, making it easy and efficient to create a better indoor environment. Control the spread of allergens while meeting temperature and humidity control needs Controlling humidity can have an important impact on controlling productivity and profits. The Humiditrol system was designed to do much more to improve the indoor environment than other humidity control systems. The Humiditrol system removes up to eight times more moisture than other rooftop units, more than 1.44 gallons of water per hour at 65 F. The system controls humidity without over cooling rooms, due to its patented hot-gas reheat technology. Other systems rely on a thermostat to initiate moisture removal, which means they can t work effectively on days when the temperature is mild. Optimal comfort zone Decrease in bar width indicates decrease in effect Bacteria Viruses Fungi Mites Allergic rhinitis and asthma Chemical interactions Ozone production Comfort Zone Relative Humidity (%) Source: ASHRAE, adapted from Sterling et al., 1985 The Humiditrol system inhibits mold and bacteria growth by reducing excess moisture, helping control the spread of allergens. Airborne contaminants can affect employee productivity and are linked to absenteeism and long-term health problems. ***Based on Lennox Total Cost of Ownership Calculator, with a 20-ton Energence rooftop unit replacing an existing 20-ton rooftop unit at 8.5 EER and 9.0 IPLV, resulting in carbon emissions savings of 10.3 metric tons based on an operating schedule of 10 am to 10 pm, 7 days per week, in Austin, TX. Assumes an average vehicle generates 4.8 metric tons of carbon dioxide each year.

4 ROOFTOP UNIT PERFORMANCE SPECIFICATIONS Cooling Data Heating Data Physical data Gas/Electric Units electric/electric units Nom Ton. Model EER SEER or IEER Low Std. Med. High Dimensions H x W x L [inches] Ship Wt. [lbs.] 3 LGH036S4T x 47 x LGH048S4T x 47 x LGH060S4T x 47 x LGH036H4E x 47 x LGH048H4E x 47 x LGH060H4E x 47 x LGH072H4B x 47 x LGH090H4B x 61 x 102 1, LGH102H4B x 61 x 102 1, LGH120H4B x 61 x 102 1, LGH150S4B x 61 x 102 1, LGH156H4B x 91 x 108 2, LGH180H4B x 91 x 133 2, LGH210H4B x 91 x 133 2, LGH240H4B x 91 x 133 2, LGH300S4B x 91 x 133 2, LGH420H4V x 90 x 286 6,345-8, LGH480H4V x 90 x 286 6,345-8, LGH540S4V x 90 x 286 6,345-8, LGH600S4V x 90 x 286 6,345-8,205 KW Range 3 LCH036S4T x 47 x LCH048S4T x 47 x LCH060S4T x 47 x LCH036H4E x 47 x LCH048H4E x 47 x LCH060H4E x 47 x LCH072H4B x 47 x LCH090H4B x 61 x 102 1, LCH102H4B x 61 x 102 1, LCH120H4B x 61 x 102 1, LCH150S4B x 61 x 102 1, LCH156H4B x 91 x 108 2, LCH180H4B x 91 x 133 2, LCH210H4B x 91 x 133 2, LCH240H4B x 91 x 133 2, LCH300S4B x 91 x 133 2, LCH420H4V x 90 x 286 6,345-8, LCH480H4V x 90 x 286 6,345-8, LCH540S4V x 90 x 286 6,345-8, LCH600S4V x 90 x 286 6,345-8,205 NOTES: Due to Lennox ongoing commitment to quality, all specifications, ratings and dimensions are subject to change.

5 INSIDE THE INTELLIGENT ROOFTOP UNIT Quality components built for performance Hinged Access Panels Provide quick access to components and protect panels and roof from damage during servicing. 2 Isolated Compressor Compartment Allows performance check during normal compressor operation without disrupting airflow. 3 Corrosion-Resistant Removable, Double-Sloped Drain Pan Provides application flexibility, durability and improved serviceability. 4 Thermostatic Expansion Valves Provide peak cooling performance across the entire application range. 5 Scroll Compressor Standard on all units for reliable, long-term operation. 6 Humiditrol Dehumidification System Patented system allows for independent control of temperature and humidity, providing enhanced comfort control. 7 MERV 13 Filters Available as factory or field option, provide an enhanced level of indoor air quality, and can help the building qualify for additional LEED credits. 8 Foil-Faced Insulation On all internal surfaces that contact airflow, helps minimize airborne fibers and improve IAQ. Blower Belt Auto Tensioner Factory option ensures blower is delivering the proper airflow for comfort, while maximizing efficiency and belt life (not shown). 9 Prodigy Unit Controller Standard on every Energence rooftop unit, the Prodigy unit controller is the heart of the Lennox controls offering. The intuitive user interface makes setup, troubleshooting and service easier than ever. Each unit tracks the runtime of every major component and records the date and time when service or maintenance is performed. The unit controller intelligently operates the rooftop unit to help ensure reliability, maximum efficiency and comfort. 10 SmartWire System The SmartWire system simplifies field sensor or thermostat installation through advanced connectors that are keyed and color-coded to help prevent miswiring. Not only is the wire coloring scheme standardized across all models, but also each connection is intuitively labeled to make troubleshooting and servicing quick and easy.

6 Solutions for customized comfort Don t just choose a Lennox product choose a Lennox Commercial Comfort System. These complete packages of HVAC solutions provide tools to create a healthy and comfortable environment. Packaged Units Strategos Rooftop Units L Series Rooftop Units Energence Rooftop Units Landmark Rooftop Units Split Systems S-Class Air Conditioners/ Heat Pumps T-Class Air Conditioners/ Heat Pumps Air Handlers Indoor Coils Heating T-Class Unit Heaters Unit Heaters Duct Furnaces Furnaces Commercial Controls Prodigy Controls System L Connection Network Systems Integration Solutions Commercial Thermostats Indoor Air Quality Humiditrol Dehumidification System Demand Control Ventilation Energy Recovery Ventilators/ Systems Air Filters UVC Lamps Lennox Industries Inc Visit us at or contact us at LENNOX (52W81)-05/09 Litho U.S.A. PC57963