intarCUBE chiller

intarCUBE chiller

R290 Glycol process chillers

Compact construction, with a small footprint, air condensation and an integrated hydraulic unit. The refrigerant circuit is in an insulated compartment with leak detection and emergency ventilation.

  • Description
  • Technical features
  • Optional
  • Dimensions
  • Documentation

Description

Glycol process chillers for commercial and industrial refrigeration applications, which use a reduced load of R290 as a primary refrigerant, all contained in the chiller, and water, glycol or brine as a secondary refrigerant for the transport of cooling.

This unit is based on a compact construction, with a small footprint, air condensation and an integrated hydraulic unit. The refrigerant circuit is in an insulated compartment with leak detection and emergency ventilation.

 

Cooling and hydraulic scheme
Installation scheme

  • Weatherproof casing with separated compressor compartment, made in self-supporting galvanised steel sheet casing and polyester paint.
  • Reduced load of R290 refrigerant.
  • Dual or triple R290 scroll compressors with noise-insulation jackets; or R290 semihermetic compressor with capacity control and soft starting. crankcase heaters with ATEX grade.
  • Oil separator and oil equalisation line between compressors (Tandem); individual electronic oil injection for 3 and 4 compressors.
  • Variable speed drive on one compressor.
  • Micro-tube condensing coil with aluminium fins and 7 mm copper tubes.
  • Variable speed EC fans.
  • Plate heat exchanger with electronic expansion valve.
  • Internal plate heat exchanger for liquid subcooling and suction superheating.
  • Cooling circuit made of copper tube with soldered connections, dehydrating filter, ATEX pressure switches, ATEX pressure transducers and temperature probes.
  • IP55 separated electrical board with ventilation fan. Individual Siemens protection devices for each compressors and fan.
  • Dixell iPro controller, with variable cooling capacity control (only with inverter compressor) and condensing pressure control with floating setpoint.
  • R290 leak detector, alarm light and buzzer, and emergency ventilation of compressor compartment with ATEX extraction fan.
  • Inbuilt hydraulic circuit made of copper tube and threaded connections, with a fixed speed pump for glycol water with 15 mH2O available pressure, expansion vessel, relief valve, filter, thermometers, manometers, air vent, purge and service valves.
  • Indoor version with EC plug fans for ducted air outlet, and ATEX grade centrigufal fan for emergency ventilation.
  • Variable speed pump for variable glycol flow control.
  • Emergency backup control with pressure switches.
  • Anti-corrossion polyurethane coating on the condenser coil.
  • Remote touchscreem control pad.
  • Power-supply monitor.
  • Silent-blocks for the installation of the chiller.
  • Heat recovery heat exchanger (20 % or 80 % of condenser heat) for generation of hot water.

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