Bleed the air and humidity from the refrigerant circuit. Clear away the caps from your two-way and 3-way valves and from the provider port and connect a vacuum pump hose into the support port. Examination all the valves and joints for leaks, then disconnect the vacuum. Switch the provider port https://airconditioninginstallati42974.blog-ezine.com/26615023/everything-about-air-conditioning-installation