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The function of this unit is to supply filtered cool air in tunnels and control rooms for comfort ventilation. This blower sucks the outside air through intake louvers and filtered in hdp filters provided in the unitary air filtration unit. The water with suitable pumps is sprayed on filters through nozzles and gets mixed up with the air. Thus dry air temperature of air approach towards wet bulb temperature and hence the air gets cooled. The hdp climinator provided in unitary air filtration unit eliminates the carry over water droplets with filtered cooled air and the air is distributed in the tunnels, mcc room through gi ducting and ms supply air grills.
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