CuBig II

High capacity - Small footprint.
For larger supermarkets and industries

CuBig II Factsheet

High energy efficiency, high capacity and high quality



CuBig II can combine cooling, freezing, air-con and heating in one.

It provides up to 450 kw cooling and 600 kW heating capacity and still only has a width of 0,8 m.

The CuBig II is also ideal as heat Pump for commercial and industrial buildings.

It can be used in a wide range of applications, but is especially suitable for applications like large supermarkets to cold room storage or even distribution centers.


Case story with CuBig II

Compact design

Placement of rack outside or inside

    • Optional enclosure available
    • Freeing up expensive square meters

Flexible design
    • Flexible placement of compressors  - free seating
    • Modular design to ensure minimum length

Narrow design

    • Goes through normal doors - Width only 800 mm
    • All options within the frame

Easy handling

    • Handling with forklift
    • Fully welded frame – one piece
    • Protected pipes 

High capacity

Capacity up to 450 kW cooling and 600 KW Heating
    • Better and more advanced oil handling
    • Enable biggest available compressors
    • Copper/k65 piping

Optimised capacity regulation with less compressors

    • Maxed out capacity without compromising part load requirements

Compact design with max 648 l receiver capacity

    • 450 l in one single receiver

Short lead time

Fully factory tested



    • Optimised pipe design with lowest possible pressure drop
    • Advanced heat recovery 
    • Ultra-low Superheat with or without ejector technology
    • Hot gas defrost
    • Liquid Power Cooler
    • COP Hunter
    • Permanent Magnet Motors on all compressors



Copper Piping

    • Easy service
    • Hydrogen soldering instead of welding

Optimised design

    • Less connections
    • Less threads

Fully welded frame with improved strength and vibration handling

    • New compressor plate 
    • Fully new mechanical design
  • Standard equipment
  • Patented Internal Heat Exchanger in Receiver
    Hot Gas Dump
    Liquid Injection
    Filter Drier
    CO2 Low Level Switch
    Frequency Inverter on MT1 and IT1
  • Controllers available
  • Danfoss
  • Carel
  • Wurm
  • Eckelmann
  • Design pressures
  • High Pressure: 130 bar
  • Receiver Pressure: 80 bar
  • MT Suction Pressure: 52 bar
  • LT Suction Pressure: 30 bar
  • Design pressure: 80/60 bar
  • Options available
  • Advanced Heat Recovery
    Optimised Air-Condition (patented)
    Chiller Module
    Enclosure for Outdoor Installation
    Ultra-Low Superheat Module
    Ejector Technology
    Liquid Power Cooler
    Parallel Compression
    Cylinder Unloading Technology
    Permanent Magnet Motor Technology
    Suction Accumulators
    Emergency Cooling Unit with CO2
    CO2 Liquid Level Measurement
    Hot Gas Defrost
    Heat Pump Evaporator Function
    CE-marked Pressure Relief Valves Manifold
    Double Pressure Relief Valves on Changeover Valve
    Double High Pressure- and Gas Bypass Valves
    Back-up Controllers
    Energy Meter
    120 bar High Pressure