Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems {in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle }
Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems {in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle }