AIR CONDITIONING SYSTEM, PERIPHERAL AIR-CONDITIONING UNIT THEREOF AND WATER PIPELINE UPGRADING METHOD FOR HEATING PURPOSES

摘要

An air-conditioning system, for a pre-installed heating system equipped with a circulating network of a primary heat exchange fluid between a central unit and a plurality of peripheral units of heat exchange with the environment air, wherein the central unit includes a heat source/well for heat adjusting the primary heat exchange fluid in a range between a hot temperature and a cold temperature lying above the current dew temperature, the peripheral units including active fan coil units, having at least one refrigerating-fluid section, with a closed circuit including a first batch of fluid/air heat exchangers, and a heating section with a second batch of fluid/air heat exchangers, and wherein a supply portion and a return portion of the circulating network are connected to the second batch of heat exchangers and to a third fluid/fluid heat exchanger connected to the closed circuit of the refrigerating fluid section.

主权项

1. An air-conditioning system applied to a pre-installed heating system equipped with a circulating network of a primary heat exchange fluid between a central unit and a plurality of peripheral units exchanging heat with the environment air, wherein
said central unit comprises a heat source/well for heat adjusting said primary heat exchange fluid in a range between a hot temperature and a cold temperature, said cold temperature lying above the current dew temperature, said heat exchange peripheral units consist of active fan coil units, comprising at least a refrigerating fluid section, with a closed circuit in which a first batch of fluid/air heat exchangers (1) is inserted, and a heating section with a second batch of fluid/air heat exchangers (2), and a supply portion (M) and a return portion (R) of said circulating network, in which said primary heat exchange fluid circulates, are connected to said second batch of heat exchangers (2) and to a third fluid/fluid heat exchanger (8) connected to the closed circuit of said refrigerating-fluid section.