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Friedrich Air Conditioning, LLC

Friedrich Air Conditioning Co., Ltd

Eduardo J Guerrero

Kevin L Eicher

George C Cagle

Bascom Clayton Cotner

David John Sayler

David J Lingrey

Geethakrishnan Vasudevan

Charles Anthony Wheeler, Jr

Patrick J Bush

A variable refrigerant package air conditioner is shown that is easy to install in new construction with a unique base that causes collected mixture that overflows to drain outside the building. A control system is shown that has motors and compressor that are pulse width modulated so the air conditioner is infinitely variable while maintaining the highest possible power factor. Dehumidification of outside air occurs as it is mixed with inside air. By gradually approaching a temperature set point and even reheating after dehumidification, moisture is removed from the room.

Variable refrigerant package

A variable refrigerant package air conditioner is shown that is easy to install in new construction with a unique base that causes collected mixture that overflows to drain outside the building. A control system is shown that has motors and compressor that are pulse width modulated so the air conditioner is infinitely variable while maintaining the highest possible power factor. Dehumidification of outside air occurs as it is mixed with inside air. By gradually approaching a temperature set point and even reheating after dehumidification, moisture is removed from the room. A snorkel that delivers fresh air to be mixed with inside entering air in front of the evaporator for a maximum dehumidification is also shown.

A room air conditioner and/or heat pump is shown with a main control and a user interface. The user interface is mounted on a user interface mount attached to the front of a main unit, but behind the bezel. The user interface mount is used to (a) insert or remove the main unit, (b) secure and protect wiring cables, (c) mount the user interface thereon, (d) direct a filter into position, (e) provide a slot for a fresh air slide, and (f) direct a bezel into position. A main control housing allows access there through to a main control circuit board, but prevents moisture from dripping on the main control circuit board. A dual filter element is located behind a double hinged door. Channels and flanges direct and secure the bezel into position.

Room air conditioner and/or heat pump

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Helotes, TX, United States of America

Eduardo J Guerrero