In the foodservice, supermarket and transport industries, operators have varying options to attempt to overcome the hundreds of start/stop cycles a compressor can go through to produce the necessary refrigeration load on a typical day. Uneven rack systems still result in high cycling rates and do not offer the desired temperature precision. Hot gas-bypass systems are not energy efficient and are often unreliable. Even variable-speed technology, while an effective form of capacity modulation, is cost prohibitive, especially when replacement costs are considered.
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