FIELD: heating.
SUBSTANCE: unit includes a supply fan (7) and an exhaust fan (4), a polymer heat exchanger (3). The unit is vertically arranged and equipped with automatic washing system. The heat exchanger is made in the form of double-wall plates, the distance between which is provided by transverse ribs made along the entire length of the plates, forming air-tight channels in the space between the walls and ribs. The plates are installed parallel to each other with a gap equal to the thickness of the plate. The material of the heat exchanger is self-supporting cellular polycarbonate.
EFFECT: simplified heat exchanger structure.
2 cl, 3 dwg
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