| abstract |
A cooling system 1, in particular for the cryopreservation of biological samples 2, comprises a cooling space 100, which is delimited by a floor area 110, side walls 120 and a ceiling area 130, and a cooling device 200, which is provided to cool the cooling space 100 with liquid nitrogen 220, wherein the floor area 110 is configured for direct cooling with the liquid nitrogen, and wherein the cooling space 100 is dimensioned such that an operator 3 can stay and move in the cooling room 100, and the floor area 110 has a platform 111 which is responsible for vapor of the liquid Nitrogen 220 is permeable and forms a support area for the operator 3. Methods for operating the refrigeration system are also described. |