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S-Class™ Rooftop Units from Lennox Now Offer More Options and Accessories
DALLAS, TX – February 27, 2006 – Lennox has recently expanded factory installed options and field installed accessories available with S-Class™ rooftop units to meet the increasing range of application and customer needs.
Now the industry's most energy-efficient rooftop units* are available with new options that include modulating gas, a low temperature vestibule heater, hot gas bypass for low airflow operation and outdoor air CFM control. The outdoor air CFM control is also available as a field installed kit.
Modulating Gas (Factory Option)
- Provides excellent temperature control with full modulation between 25% and 100% of input
- Available on both the 500,000 and 800,000 Btuh gas heat size options
- Features a stainless steel heat exchanger for great performance and reliability
Low Temperature Vestibule Heater (Factory Option)
- Extends gas heat operation application range down to −60°F by utilizing an electric heater in the gas burner compartment
Hot Gas Bypass (Factory Option)
- Allows unit operation in low airflow applications down to 12.5% of nominal capacity
- System helps prevent coil frosting and compressor damage during low airflow operation
Outdoor Air CFM Control (Factory Option or Field Installed Accessory)
- Helps ensure variable air volume (VAV) units meet minimum outdoor air CFM levels
- The Integrated Modular Controller (IMC) measures outdoor air velocity and adjusts economizer position, minimizing the effect of supply fan speed changes to outdoor air
About Lennox Industries
A worldwide leader in residential and commercial heating and air-conditioning systems, Lennox Industries Inc. is based near Dallas, Texas and is part of Lennox International's Worldwide Heating & Cooling business segment. Lennox Industries is a subsidiary of Lennox International Inc., which operates in over 100 countries and is a global leader in the heating, ventilation, air conditioning and refrigeration markets. Lennox International stock is traded on the New York Stock Exchange under the symbol "LII".
* When considering steady state efficiency (EER) for single packaged rooftop units, 35-50 tons, G/E, E/E or cooling only, 3 phase voltage. Established through competitive literature review, July 2004. Claim pertains to 10.8 EER rating for the SGA480H4B unit.
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