VS series with built-in inverter
In this range of compressors, the integrated frequency inverter enables continuous adjustment of capacity; this allows to minimize the variations of the suction pressure and avoids continuous switching-on and off of the compressor, obtaining important savings on energy costs, a greater thermal stability of the system and a significant lowering of the noise level.
The inverter is factory pre-programmed, it is operated by an external PID controller or via direct connection of a pressure transducer to be mounted on the suction line.
The adjustment of all parameters that control the inverter can be customized to suit the specific application.

A series
A series

B series
B series

RSH - Patented Capacity Control

Frascold's patented Reduced SuctionHead technology allows our reciprocating compressors to run unloaded indefinitely. Unlike standard capacity control, RSH capacity lets the compressor run without overheating while energized. This revolutionary feature provides application flexibility while reducing heat, vibration and damage from unloading stress.

  • 2,4,6 and 8 Cylinders
  • Reduced wear and vibration
  • Run unloaded indefinitely
  • Efficient & reliable unloading
  • Frascold exclusive solution
  • Retrofit existing compressors

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