Several years ago, I attended an outstanding seminar on system evacuation where the presenter, a “guru” of evacuation, used a phrase that stuck with me. He said all refrigeration technicians, while working on a system, should strive to make sure the system is clean, dry, and tight. If you remember these three simple words, you will ensure the system works as it was intended and prevent its premature failure.
Keeping a system clean, dry, and tight really comes down to service technicians and how they handle installing or servicing a system. Let’s discuss some basic installation and service procedures that will ensure we always leave a system clean, dry, and tight.