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We are running a dual coil Evapco evaporator with one of the coils being used for de-humidification. The de-humidification coil has a hot gas line and a suction line both with back pressure regulators. What is the proper set points of the regulators to achieve de-humidification?
it really depends on your application, ambient conditions, and recirculated air percentage. if your just trying to achieve any kind of dehumidification you just need the first coil the air goes across to be colder than ambient air and the second coil warmer than ambient.