Refrigeration arrangement for a traction vehicle, - having a closed first circuit which is designed as a compression refrigeration machine and which has a refrigerant as first carrier medium, an evaporator designed as a liquid-liquid heat exchanger, a condenser designed as a liquid-liquid heat exchanger, a compressor, and a restrictor, such that the first carrier medium passes from the evaporator via the compressor to the condenser and from the condenser via the restrictor back to the evaporator, - having a closed second circuit which has the evaporator, a compressor, a fan, a heat exchanger and a liquid second carrier medium for transporting heat, such that the second carrier medium passes from the heat exchanger via the compressor to the evaporator and from the evaporator back to the heat exchanger, - having a closed third circuit which has the condenser, a first heat exchanger, a second heat exchanger, a liquid third carrier medium for transporting heat, and a compressor, such that the third carrier medium passes from the condenser via the compressor to the second heat exchanger and from the latter via the first heat exchanger back to the condenser, - in which refrigeration arrangement the second circuit is coupled via the evaporator to the first circuit, - in which refrigeration arrangement the first circuit is coupled via the condenser to the third circuit, - in which refrigeration arrangement the second circuit is designed such that, for cooling purposes, heat is extracted at a predetermined location and transferred to the second carrier medium, and the heat passes by means of the second carrier medium to the evaporator for the transfer of heat to the first circuit, - in which refrigeration arrangement the first circuit is configured such that heat is transferred via the evaporator to the first carrier medium and passes by means of the latter to the condenser for the release of heat to the third circuit, - in which refrigeration arrangement the second heat exchanger of the third circuit is designed for cooling traction systems of the traction vehicle and can be arranged such that heat of the traction systems is supplied to the third carrier medium, - in which refrigeration arrangement the third circuit is designed such that heat of the first circuit is transferred via the condenser to the third carrier medium and said heat is transferred, together with the heat of the traction systems, by means of the first heat exchanger to the environment. - having a closed first circuit which is designed as a compression refrigeration machine and which has a refrigerant as first carrier medium, an evaporator designed as a liquid-liquid heat exchanger, a condenser designed as a liquid-liquid heat exchanger, a compressor, and a restrictor, such that the first carrier medium passes from the evaporator via the compressor to the condenser and from the condenser via the restrictor back to the evaporator, - having a closed second circuit which has the evaporator, a compressor, a fan, a heat exchanger and a liquid second carrier medium for transporting heat, such that the second carrier medium passes from the heat exchanger via the compressor to the evaporator and from the evaporator back to the heat exchanger, - having a closed third circuit which has the condenser, a first heat exchanger, a second heat exchanger, a liquid third carrier medium for transporting heat, and a compressor, such that the third carrier medium passes from the condenser via the compressor to the second heat exchanger and from the latter via the first heat exchanger back to the condenser, - in which refrigeration arrangement the second circuit is coupled via the evaporator to the first circuit, - in which refrigeration arrangement the first circuit is coupled via the condenser to the third circuit, - in which refrigeration arrangement the second circuit is designed such that, for cooling purposes, heat is extracted at a predetermined location and transferred to the second carrier medium, and the heat passes by means of the second carrier medium to the evaporator for the transfer of heat to the first circuit, - in which refrigeration arrangement the first circuit is configured such that heat is transferred via the evaporator to the first carrier medium and passes by means of the latter to the condenser for the release of heat to the third circuit, - in which refrigeration arrangement the second heat exchanger of the third circuit is designed for cooling traction systems of the traction vehicle and can be arranged such that heat of the traction systems is supplied to the third carrier medium, - in which refrigeration arrangement the third circuit is designed such that heat of the first circuit is transferred via the condenser to the third carrier medium and said heat is transferred, together with the heat of the traction systems, by means of the first heat exchanger to the environment.