Ammonia Refrigeration Installations

Ammonia refrigeration systems are complex by their very nature.  A system can be comprised of a mixture of various manufacturers equipment such as evaporators, compressors, control valves, condensers, and vessels.  Secondly, you can have various forms of each of these components.  Screws or reciprocating compressors.  Evaporative or shell & tube condensers.  Flooded, direct expansion, or liquid overfeed coil circuiting.
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By now many of the States in the upper midwest have experienced very cold weather. As some have found, winter time presents some occasional challenges for starting or operating an ammonia refrigeration system.

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