Free Cooling Units are to provide cost effective and reliable cooling solution for telecom sites i.e. indoor shelters, Indoor cabinets, Indoor room having GSM, CDMA etc. networks. FCU is very economical in terms of its operation where it reduces the air-conditioner usage significantly. It consumes low power when compared to aircons there by reducing the OPEX.
It runs on -48V and hence reliability of the solution is greater as there is no ac line disturbances which can affect this equipment. The Inlet is wall mountable type having fan& washable filter in single cabinet. Outlet will be Gravity based auto damper which operates only when positive pressure is built in the shelter. Controller box can be mounted on wall with LCD display & indication LEDs and termination points for various input /outputs.
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