The chillers of the ARIES TECH series with environmentally friendly refrigerant R410A, represent the best solution for  centralised hydronic air conditioning for medium areas (such as hospitals, offices, shopping centres, etc.) and offer energy savings in all operating conditions. The technical solutions adopted contribute practically to the reduction of operating costs of the system and to protection of the environment. These include: scroll compressors offering high seasonal energy efficiency, high efficiency plates or shell and tubes heat exchangers, for operation in more favourable energy efficiency conditions; refrigeration circuits with separate aeraulic sections to progressively stop fans according to the instant thermal load; partial and total heat recovery for sustainable use of electricity.  The wide range of accessories and versions offers solutions to the most varied of installation requirements and at the same time facilitating installation, start-up and management of the system.