Multi compressor units
- Duplex
- Mini NS21
- Smart Racks
- Medium Racks
- Large Racks

Duplex - CD4G,CD4H, CD4J – High power CO2 Commercial Racks
Full Duplex offers the highest power for the commercial cold range with CO2 in 2 MT and LT temperatures
Reduced assembly space with the double-deck transcritical cycle booster machines.
The modulation and operational reliability is ensured thanks to the number of compressors they house.
Can include up to 3 heat exchangers and 1 parallel compressor (optional)
Possibility of 2 RHX: 1 for Domestic Hot Water and 1 for air conditioning
Cooling capacity: from 8 kW up to 250 kW – Heat recovery up to 190 kW

Mini NS21 – Compact CO2 Mini Compressor Racks
Compact units, with a footprint of less than 1m2
Highly competitive for the generation of cold with CO2 in the transcritical cycle
For refrigeration & freezing – working as a booster
Designed for easy access to the components
Cooling capacity: 18 to 45 kW
Application: 200 to 600 m2
For use in:
- Food retail (convenience stores & supermarkets)
- Petrol station forecourt solutions
- Hospitality industry
- Cold rooms

Smart Rack – Transcritical CO2 Compact Rack
Flexible and modular solution for application in food retail (supermarkets and convenience stores), cold stores and small industry – covering surfaces of 400-1500m2.
Compact unit, with flexible design
Equipped for the generation of cold with CO2 in the transcritical cycle
For refrigeration services in one or two temperatures – working as a booster
Optionally can include up to 1 exchangers and 1 parallel compressor
Capacity: up to 115 kW (MT), Booster: up to 90 kW (MT) + 25 kW (LT)
Application: 400 to 1500 m2

Medium Racks – Transcritical units without condenser
Adapted design for loading and transportation
Integrated switchboard. Easy to use via touch screen and displays an exclusive control software
Heat recovery (optional) - allows to take advantage of the heat generated by the system discharge for air conditioning or ACS
Parallel compressor (optional)
Parallel compression includes one or two compressors that extract steam from the accumulation tank, lightening the load of the rest of the compressors and improving their efficiency index.
Possibility of incorporating up to 4 compressors
Proportional modulation: A frequency inverter in each group of compressors adapts its operation to the specific demand of each moment, saving energy and prolonging the life of the plant
Mechanical subcooler exchanger, connected to an auxiliary unit that cools the discharge of the transcritical fluid, reducing steam and increasing the efficiency of the system


Large Racks – Transcritical double units without condenser
Integrated switchboard. Easy to use via touch screen and displays an exclusive control software
Parallel compressors (optional), which considerably increase the system efficiency
Possibility of incorporating up to 9 compressors
Low and Medium temperature compressors
Economizer: Increases the efficiency of the system by making the MT compressors give part of their power to the LT compressors group
Proportional modulation: A frequency inverter in each group of compressors adapts its operation to the specific demand of each moment, saving energy and prolonging the life of the plant
Mechanical subcooler exchanger, connected to an auxiliary unit that cools the discharge of the transcritical fluid, reducing steam and increasing the efficiency of the system
Stainless steel in 100% of the pipes
