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(11) | EP 1 312 877 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Multi-function cooling unit for air-conditioning systems |
(57) Multi-function cooling unit (1) for air-conditioning systems comprising a first heat
exchanger (2), with which a refrigerant exchanges heat with the outside environment;
a second heat exchanger (3) with which said refrigerant exchanges heat with a first
liquid circulating in the hydraulic circuit of said air-conditioning system; a third
heat exchanger (4), where the refrigerant exchanges heat with a second liquid; a compression
device (5) for compressing said refrigerant, at which said refrigerant is compressed;
and a distributor (6) for distributing said refrigerant, and which selectively connects
said compression device (5) to said first (2), second (3), and/or third heat exchanger
(4); said distributor (6) comprises a first (23) and a second reversing four way valves
(24) connected in series with respect to each other. |