Free-cooler system made up of box fan unit for installation inside the radio base station..

Very compact units equipped with centrifugal/tangential fan.

Solution designed to allow high energy saving also in site where air conditioning units without free cooling system were previously installed.

Every unit can be set on ground or on board, in the first case flexible connection duct abroad air flows rate.

 

AIR INTRODUCTION SYSTEM

  • Free-cooler box (with dust filters is free-cooler fan)
  • Electrical panel “Command and Control” consists of general disconnecting switch breaker, PLC PB13, maximum temperature thermostat
  • External air inlet grid with insect protection
  • Overpressure damper
  • Internal grid (optional)
  • External plenum (optional)

 

he system is designed to be managed by its own PLC PB13 to manage the operation cycle and detect the possible causes of alarm conditioning system.

Adjusting the temperature “ON-OFF” or “proportional” (0-10V). By adopting the regulation “proportional”, they avoid thermal shock conditions when the outside temperature is very low.

This system can also be identified as an emergency system to cool the room as it is provided an electromechanical controller (thermostat) that allows to feed the fan in an independently and separately when the detected temperature exceeds the predetermined values and simultaneously indicates the condition of emergency operation.

Technical Features

  • External panels painted with epoxide powders
  • Very light weight
  • Easy operations for installation
  • Easy access for service and maintenance
  • Low noise levels

 

 

FIG.2 PASCI

 

 

 

B_AE3000F_PASCI_03

 

 

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