<p>Here Packaged unit support & by pass details including evaporator coil, compressor, condenser coil, and expansion valve A packaged unit is a type of air conditioning system in which all parts are contained in one convenient location! Typically, your standard AC system has one outdoor unit, and one indoor unit. The indoor unit may be an air handler, or a furnace. Warm air is pulled in by a fan and then passes over the cold evaporator coil, cooling it in the process. The cooled, dehumidified air is pushed through ducts to the various spaces inside your home. for more details of Packaged unit support & by pass details download this file.</p>