The Lennox 10ACC Merit series air conditioner was produced in seven models as a 10 SEER unit (capable of reaching up to 11.4 SEER with compatible accessories) available in 1.5- to 5-ton capacities. Although no longer manufactured due to the new required manufacturing minimum of 13 SEER ratings, the Lennox 10 ACC was designed for its time as an efficient, durable unit.
The unit’s direct-drive fan is precision-balanced to ensure slow, quiet operation. The compressor—either a scroll or reciprocating compressor, depending on the unit—is hermetically-sealed and suction-cooled to increase its life and decrease energy costs.
An enamel finish protects the unit’s heavy-gauge, galvanized steel cabinet from rust and corrosion. According to the manufacturer, damaging moisture will not collect in the base pan because drainage holes are placed in moisture susceptible areas. A PVC-coated steel wire guard protects the condenser coil and, in order to minimize refrigerant loss during maintenance procedures, the product is equipped with reusable service valves.
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