Variable-speed scroll compressors

0901hvac03pApexx VSH variable-speed scroll compressors for capacities from 12 to 40 TR (tons of refrigeration) are available. Higher capacities can be obtained by combining a unit with one or more fixed-speed compressors, either manifolded or in multiple circuits. Using a variable frequency drive, the compressor design operates under part load using the entire evaporator. As a result, the system operates at the highest possible suction pressure for the condition.
Danfoss , Baltimore,

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