FREE COOLING MODES
Elevated Water Temperatures
Raising chilled water temperatures can generate more free cooling opportunities so that the system will work more hours in free cooling mode, full and partial. In the applications where chilled water temperatures can be lifted without adverse impacts, free cooling technology will provide additional savings in operational costs.
Extended Operating Range
Under cold weather conditions, the service of air-cooled chiller is restricted by its refrigeration side, while free cooling chiller can continue operation in free cooling mode by regulating fan speed and water flow through the free cooling coils as necessary. In response to temperature changes, water flow automatically regulates by mixing valve, thus avoiding both excessive and minimal flows.