The information is out in cyberspace when you need it, but you have to be willing to go get it. Becoming proficient in finding information when you need it can save you time and frustration on many jobs.
One common access valve initially used is some type of saddle valve. These valves are convenient and generally easy to install, but they are not usually considered to be a long-term type of valve and generally should not be left on a system permanently.
Keeping a system clean, dry, and tight really comes down to service technicians and how they handle installing or servicing a system. Here are some basic installation and service procedures that will ensure we always leave a system clean, dry, and tight.
All of the components may be operational, but are they adjusted and working properly as a complete system? A professional installation will include a thorough inspection of the system as a complete unit.
Not only do repeat failures take away from the contractor’s profit margin, they also tarnish a company’s professional image. Finding the cause and repairing it not only keeps the customer happy, it keeps the contractor profitable.
There is a vast selection of refrigerants, and sometimes a technician has a choice in selecting a refrigerant for a particular system. Knowing some of the basic properties of refrigerants can assist a technician in making that selection.
Thinking in temperature in-stead of pressure can help make the crossover to a new refrigerant much easier. The next time you’re faced with determining the correct operating evaporator or condensing pressure, think in terms of temperature and then convert it to pressure.