This unit shouldbe installed in anOUTSIDE WALL FORTHRU-THE-WALLINSTALLATION ONLY!Please read the entire installation guide before starting the installation.National Comfort Products®A Division of National Refrigeration & Air Conditioning Products, Inc.539 Dunksferry Road • Bensalem, PA 19020 • (215) 244-1400 • 1-800-523-7138 • Fax: (215) 639-1674CPGU-ModelsGasHeatingElectricCoolingHEATING & A/C EQUIPMENTNATIONALCOMFORTPRODUCTS®Thru-the-Wall Packaged Heating & Cooling UnitsComfort PackUniversal SeriesInstallationGuide80%THERMALEFFICIENCY