DX Cooling Coils

DX Cooling Coils

DX Evaporator Cooling Coils are fluid to air to fluid heat exchangers. Generally constructed from copper tubes mechanically expanded into aluminium plate fins with self spacing collars to ensure efficient heat transfer. The Refrigerant flows into the coil through the tubes from the liquid distributor into individual circuits formed with copper return bends terminating into an outlet header manifold. The heat is transferred from the air flowing over the fins and tubes into the refrigerant flowing through the tubes, as the warm air flows over the coil the low pressure refrigerant liquid evaporates and exits the coil as superheated vapour. The coil assembly is contained in a sheet metal casing with a drain tray to collect the condensate which will be produced when the air is cooled below dewpoint. Where moisture carryover over may occur due to air velocity or condensate load, moisture eliminator plates are fitted to prevent carryover into the air stream.

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