| 摘要 |
The present invention relates to a method and a device for heat recovery on a vapour compression refrigeration system (100) allowing to produce hot water, said refrigeration unit including at least a first piping closed refrigerating circuit (101 ) in which a refrigerant fluid circulates, a compressor (102), an evaporator (103), an expansion valve (104), a condenser (105,200) and/or a heat recovery unit (106) including a water inlet (107) and a water outlet (108) respectively connected to a second piping circuit (109) comprising a circulating pump (110), said device is remarkable in that it comprises at least means (113) for determining at least one physical unit of the refrigerant fluid and/or water of the second piping circuit (109), means for increasing condensing temperature when said physical unit is lower than a predetermined threshold, and means for decreasing the condensing temperature to a minimum value when said physical unit is greater than said predetermined threshold. |
