Generally , sometimes also called peripheral cooling units, are kept around the room in the periphery which gives them the name peripheral cooling units. Peripheral cooling units are used for applications having less heat load or Low density heat load application ( load generally 3-5 Kw per rack).
PAC units are available with following cooling medium:
Chilled Water Based System
DX refrigerant system
Hybrid/Dual Fluid system
Chilled Water Based System
Chilled water PAC units run on water as the cooling medium inside the coil. These systems are generally used in large server rooms/DC’s & bigger halls having dedicated chillers catering them.
DX Refrigerant System
Dx system is a refrigerant based system running on refrigerant as a cooling medium used in smaller server/UPS rooms. They are the most economical solution for any kind of cooling requirement.
Hybrid or Dual Fluid System
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