Elba commercial

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refrigeration units

E4N models are designed only for medium temperature applications, while the E4N-B booster variation combines medium and low temperature refrigeration.

Elba Commercial units are specifically designed and produced for large commercial refrigeration systems, above all for hypermarkets. Enex provides various unit options and the possibility to customize them, in order to adapt the plants to the specific characteristics of the place of installation.


The available options:

  • For medium temperature only
  • Booster variation (with medium and low temperature)
  • MT and LT temperature variations with evaporators overfeeding, heat and energy expansion recovery

Thanks to the use of the natural refrigerating fluid CO2, Elba escapes the legislative restrictions, the incertitude and disadvantages related to the synthetic refrigerants use.


High efficiency: optimal booster cycling with intercooler and regenerative heat exchanger

Solid and compact design

Stainless steel pipes

Low noisiness

Automatic backup of the critical components

Easily accessible components

Plug and play units

Standard supply with 45 bar design pressure LP/HP side - 120 bar HP side

Large volume liquid receiver

Complete canalization of the safety valves drains

CE/PED Cat. IV certification


Heat recovery for space or sanitary water heating

Design pressure 60 bar LP/IP side

Cooling unit backup

Liquid level visual indicator

Liquid level transmitter

Integrated water condenser

Enjector for a higher efficiency and an increased capacity

Economizer for an efficient operation in high temperatures spaces

Control system upon client’s request