About the authorMike Fisher has over 35 years of experience with refrigeration systems. This background includes; service, installation, equipment manufacturing, research and development, project management, consulting engineering, system design and packaged systems.
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You might think these two subjects are not related. One produces a heating effect and the other a cooling effect. Once we disregard these differences we can find many similarities in the two systems. Both use a fluid that depends on a phase change to provide their intended function; condensation of vapor or evaporation of liquid.
If you are like a lot of other ammonia refrigeration system end-users you are trying to reduce your costs associated with energy usage. You may be exposed to a constant barrage of ideas or methods of what to do. One of the more popular concepts is: decrease the discharge pressure.
OK, now what? Someone said I need to do this and everyone talks about it, but what should I do?
