Abstract: The distributor unit (10) is coupled to a heat pump (12) and to various circuits for collecting (24, 28, 30) and for delivering (38, 40, 52, 56) heat, with the unit serving to provide selective interconnection therebetween in application of various predetermined combinational schemes for fluid distribution by automatically controlling an integrated network of stop valves (200). The schemes define modes of operation such as natural cooling or freeze-proofing, producing hot water and/or air conditioning from a single installation by optimizing transfers of heat between the circuits so that the heat pump is always operating in its thermodynamically optimum zone.

Abstract: The distributor unit (10) is coupled to a heat pump (12) and to various circuits for collecting (24, 28, 30) and for delivering (38, 40, 52, 56) heat, with the unit serving to provide selective interconnection therebetween in application of various predetermined combinational schemes for fluid distribution by automatically controlling an integrated network of stop valves (200). The schemes define modes of operation such as natural cooling or freeze-proofing, producing hot water and/or air conditioning from a single installation by optimizing transfers of heat between the circuits so that the heat pump is always operating in its thermodynamically optimum zone.

Abstract: The probe (10) comprises a circuit for circulating a heat-conveying fluid, between a fluid inlet (28) and a fluid outlet (34) connected to a heat pump. The circuit comprises at least two tubes (12, 14) extending in parallel, comprising a fluid admission tube (14) and a fluid return tube (12), the admission and return tubes being put into communication (24) with each other at their distal ends (18, 22). The tubes are made with a wall in common over their entire length, advantageously a wall that is isothermal. They may be engaged one inside the other (12, 14) or they may be adjoining. The assembly forms a single tubular element suitable for burying having a distal end that is free that can easily be introduced into a tunnel of small diameter that has been dug by a miniature boring machine.

Abstract: The whole set includes a compressor assembly (10), inlet (23) and outlet (24) to and from a harnessing loop, inlet (33) and outlet (34) to and from a heating loop, and two heat exchangers (20, 30), coupled to the compressor assembly and to the inlets and outlets. Linking pipes (21, 22, 31, 32) between heat exchangers and the compressor assembly, and/or inlets and outlets from and to harnessing and heating loops, are not linking pipes assembled by brazing but are welded stainless steel pipes, notably by orbital TIG welding. The whole set is enclosed in a tighten enclosure (40) comprising a supporting base (41) and a bonnet (42) sealed together.