MTA Chiller | Aries Tech 2 Air Cooled Water Chiller

Air-cooled water chillers featuring hermetic scroll compressors with R410A. Nominal cooling capacity 164 – 945 kW

The air-cooled water chillers ARIES Tech 2 is the answer to the present and future needs of commercial air conditioning systems. Preserving their versatility and reliability, they already meet the seasonal energy performance requirements of the ErP Regulation EcoDesign. They are extremely customisable to guarantee an easy installation for any plant solution. The ARIES Tech 2 range is the example of targeted design, essential to obtain a reduced operating cost for air conditioning of medium and large residential or commercial spaces without excluding reliability the environment protection


  • The ARIES TECH 2 range already meet the limits set by the ErP, for the index SEER (Tier 2 01/01/2021);
  • Wide operating limits for starting up and functioning even in the worst conditions;
  • Wide range of options and kits for easy installation;
  • Easy access to all components;
  • Advanced electronic control with integrated web server.

Standard Features

  • Refrigerant R410A;
  • 4, 6 or 9 scroll compressors on two or three independent refrigerant circuits;
  • Crankcase heater compressor and phase-monitor;
  • Victaulic hydraulic connections kit (supplied as standard with each unit);
  • Electronic expansion valve;
  • Axial fans configured with protective grilles and sickled bladed with die-cast aluminium airfoil profiled;
  • Electrical cabinet protection rating IP54;
  • Refrigerant charge, non-freezing oil and tests performed in the factory;
  • Electronic microprocessor controller with high computing capacity and an easy to use graphical interface;
  • Modbus RS485 serial output for connection to supervision systems;
  • Master/slave configuration manageable between 2 units.


  • Low water temperature version (down to -10 °C outlet water temperature);
  • Low ambient temperature version (down to -20 °C);
  • Stainless steel shell and tube evaporator;
  • Single or twin water pump with low or medium head pressure;
  • Water accumulation tank;
  • IN/OUT compressors valves;
  • High efficiency EC brushless fans (base equipment for SSN version);
  • Total heat recovery;
  • Protection coating for condenser coils, suitable for installation in aggressive environments;
  • Micro channels condenser coils;
  • Antifreeze heaters for heat exchangers and hydraulic module (if included);
  • Metallic mesh filters for condenser coils protection;
  • Soundproof jacket or housing for compressors (for HE configuration);
  • Soft start for compressors to reduce by 20% the unit’s inrush current.

To find out more about our MTA range, get in touch

Process Engineering


Air Conditioning