Rev. B 08-2017
15
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35
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89
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MTEC.4680.GB-B-1 Operation and maintenance manual GH serie English
GH Dehumidifiers for radiant cooling system
3.5 Refrigerant circuit layout
3.5.1 Refrigerant circuit standard version
The functioning of the dehumidifier is as follows: the fan takes the air from the ambient (7) and it’s made go through the filter (1) and the
pre-cooling water coil (2) where it’s cooled and brought to a condition closed to saturation. Now it passes through the evaporating coil (3)
where it’s fatherly cooled and dehumidified. The air passes now through the condensing coil (5) where it’s post heated (with a constant
humidity) and in the postcooling coil (6) where it’s reported to the required conditions.
All the dehumidifiers can work without the help of the pre and post cooling coils. This function is very useful in
case there is the request of dehumidification in middle-season or when the chiller is off. Obviously, if the unit works
without the help of the cold water, the air in outlet will be hotter than the air in inlet.
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