Control scheme and method for dehumidification systems at...

Details Control scheme and method for dehumidification systems at... Control scheme and method for dehumidification systems at...

2005-10-18

2005-10-18

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

Of external fluid reheating

C062S181000, C062S196400, C062S228300

Reexamination Certificate

active

06955057

ABSTRACT:
A method for operating a vapor compression system includes the steps of providing a vapor compression system having a compressor circuit including a compressor having an inlet port and an outlet port, a circuit incorporating the compressor, a condenser, an evaporator and an expansion device for sequentially generating a cooling refrigerant for cooling a stream of air so as to provide a dehumidified cooled stream of air, and a reheat refrigerant for heating the dehumidified cooled stream of air to provide a reheated dehumidified stream of air; controlling discharge pressure from the compressor outlet so as to increase discharge pressure from the compressor outlet. Furthermore, system dehumidification performance is improved in terms of latent capacity boost, undesired sensible capacity reduction, latent efficiency enhancement, and recovery of supply air temperature to a desired level.

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