Problem to be solved: to reduce equipment cost and operation cost.A heat medium distribution part in a heat medium use apparatus 1 andA method of circulating a heat medium between a heat medium supply meansSaid heat mediumSaid circulation part3,Said circulation partThe first circulation system 20 which flows out from 3 is composedHeat medium from said heat medium supply meansThe Circulation Part 2 in the first circulation systemSupply 3 to the entranceSaid circulation partA second circulating system for returning from the outlet 3 to the heat medium supply means is constructed.Diagram
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