Guess the return path of the heat exchanger by looking at the diagram (represent it with a drawing)
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(Image) This shows the opposite sides of the heat exchanger’s inlet and outlet ends. Hint 1: The middle of the end face is separated by an end cover; Hint 2: The inlet and outlet ends are on the same side. How many circuit paths does this heat exchanger have? Please mark the positions of the partitions for the inlet and outlet sides on the diagram.
4............
It’s not T-shaped, because there is no space vertically between the copper pipes.
Mm-hmm, I took another close look at your picture and there’s no doubt it’s the first type