From time to time, electrical enclosure designers find themselves in a bind because of constraints that limit their options when designing or upgrading enclosures. Typical issues include space limitations, excessive heat load, poor ventilation, dust and dirt, and high ambient temperatures. Solutions that entail the relocation of the electrical enclosure, moving adjacent equipment to create space, or installing a larger enclosure frequently turn out to be expensive, impracticable, or involve significant disruption.
A possible solution is the installation of an enclosure air conditioner. Here are some scenarios where this might be the best alternative.