The first point to understand about refrigeration theory is that heat is energy, and it can be made to move. If enough heat is removed from a glass of water, the water will freeze to ice. When that heat is allowed to move back into the ice, the ice will melt.
Whether the commercial refrigeration equipment you’re working on is a small under-counter refrigerator, a keg refrigerator, a large walk-in freezer, or a transportation refrigeration system, many of the technical concerns will be the same.
I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.
Air conditioning coil cleaning is an important air conditioning maintenance procedure that sometimes takes some patience, and usually takes a lot of water. First, you have to make some common sense evaluations.
For several years, refrigerant retrofitting has been a common procedure for a lot of the commercial kitchen and restaurant equipment I work on, so I’ll go over some of the things I’ve learned that might help you save some time and money on your own retrofit projects.
When you improve chiller efficiency, you can have better control of the chiller and the air conditioning in the building, and the chiller will also last longer. The recommendations here are for centrifugal chillers. Several different methods are suggested.
When you’re troubleshooting a refrigeration control system, keep in mind that no matter how complicated the schematic might look on paper, the control system is actually only trying to provide a few simple outcomes.
If your central air conditioning condenser problem is that the compressor and condenser fan won’t run, this article lays out a series of troubleshooting steps to help you in identifying and correcting the problem. By the time you make all these checks, if the problem was electrical, you should find it.