
Select an unobstructed location on your interior wall to mount the indoor unit.You'll. . Position the outdoor unit away from any heavily trafficked, dusty, or hot areas.Find the hole you drilled through the mounting plate for the interior unit and position the exter. . Bleed the air and humidity from the refrigerant circuit.Remove the caps from the 2-way and 3-way valves and from the service port and connect a vacuu. . A split system air conditioner is a great option for keeping your home cool and comfortable in the summer months. These units are also quieter, easier to install, and more energy efficient than central air conditioning. This type of A/C is ductless, so all you have to do is install the cooling unit inside and the compressor.