Mini Booster

Transcritical CO2 refrigeration systems combining MT and LT refrigeration in the one unit. Ideal for large store applications. Available for installation indoors or outdoors with sound-proofed cabin, and with on-board electric panel.
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The Arneg Mini Booster has

  • MT between 24 and 94kW
  • Three compressors (2 MT and 1 parallel OR 3MT)
  • Parallel compression
  • Variable speed on MT1, LT1 and parallel compressors
  • Heat recovery (up to two)
  • Liquid receiver back-up unit
  • Stainless steel high pressure branch

Arneg CO2 Solutions



L 3370 x W 1050 x H 1900 (measurements of the soundproof closed version)

Refrigerant charge(s) lbs/kg

It depends on plant's dimension. Liquid receiver volume available upon request.

Capacity, kW/TR/BTU/hr

MT: from 24 to 94 kw @ -8°C; LT: from 7 to 20 kw @ -33°C

Type, number compressors HP

Semihermetic compressors: MT = 3 (or 2 MT + 1 parallel); LT = 2 or 3

Type of controls

Carel, Danfoss, Dixell, Eliwell, RDM, Wurm, Eckelmann

Type oil separator


Discharge gas desuperheater, subcooling

Yes for both

Heat reclaim

Yes, up to 2

VFD for compressors

Yes, 1st MT compressor, 1st LT compressor, 1st parallel compressor

Type of piping

Copper K65, Copper R220, Stainless steel

Ejectors, Parallel compression

Yes for both





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