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15 December 2021
SANDEN CDU chiller


The Japanese company SANDEN produces a series of refrigeration units called CDU

Three models are available:

It is a device in an “air conditioner” type housing, which contains all the necessary elements such as:

  • complete refrigeration circuit
  • expansion valve
  • compressor inverter
  • control

The use of an expansion valve inside the unit significantly simplifies the connection because it is no longer necessary to use it at the evaporator. It also simplifies control as all you need to do is use the thermostat and defrost heaters.

The unit does not have a refrigerant tank, thanks to which the amount of refrigerant in the installation is negligible (max 1.5 kg).

As an SZ, we support our clients in designing and commissioning installations based on SANDEN aggregates.