Liebert Precision Cooling System DS Manual do Utilizador descarregar pdf (Página 16)

Cooling Configurations

2.0 COOLING CONFIGURATIONS

NOTE

All field-installed piping must comply with applicable local, state and federal codes.

Air-Cooled

Air-cooled unit piping is spun closed from

the factory and contain a nitrogen holding

charge. Each installation requires refrigerant

piping to a condenser.

Glycol-Cooled

Glycol-cooled units are factory-charged and

tested. Field-installed piping is required from the

unit to the drycooler and pump package.

Water-Cooled

Water-cooled units are factory-charged and

tested. Field-installed water piping is

required from the unit to the cooling tower.

GLYCOOL

GLYCOOL units are factory-charged and tested. Field-installed

piping is required from the unit to the drycooler and pump

package. An additional coil is included for use when fluid

emperatures are sufficiently low (below room temperature).

Cooling is provided by circulating cold glycol through this

econd coil, reducing compressor operation.

Dual-Cool

This system has all of the features of a compressorized

system, but adds a second cooling coil that is connected

to a source of chilled water. Cooling is provided by

circulating water through this second coil and reducing

compressor operation.

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Liebert Precision Cooling System DS Manual do Utilizador Página 16