A refrigeration system for cooling a logic module includes an evaporator housing including an evaporator block in thermal communication with the logic module. The evaporator housing includes a humidity sensor for detecting a humidity within the evaporator housing. The system further comprises a controller...http://www.google.fr/patents/US6644048?utm_source=gb-gplus-shareBrevet US6644048 - Method for shutting down a refrigerating unit