Cooling towers fans at our facility are manually controled. We are looking into automating this process. We do not plan to upgrade the cooling tower fan motor, which is just on/off. Is there any advice? Can this be done through chiller output signal or do we need to install separate controls. Is...
Could someone please tell me what choices there are in materials for steel beams (I-beams, angle irons). I am trying to select the right material for needed for a project. By knowing the exact material I would then be able to find its yield stregth. Thanks a lot.
