The refrigerating unit can be operated by means of a thermal solar system as energy source. Therein it is provided that the refrigerating unit is formed as a diffusion-absorption refrigerating unit. The refrigerating unit has an expeller, a triple heat exchanger, a condenser, an evaporator, a gas heat exchanger, an absorber, and a fuel reservoir which are actively connected to form a closed fuel circuit with one another.

 
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> Vapor-lift pump heat transport apparatus

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