What's New / HVAC Commercial Market / Chillers & Towers

Trane®, a brand of Ingersoll Rand: Centrifugal Chillers

April 22, 2013
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Trane®, a brand of Ingersoll Rand: Centrifugal ChillersAn expanded line of Duplex™ (dual compressor) EarthWise™ CenTraVac™ centrifugal chillers is available. The chillers now feature low-voltage, unit-mounted Adaptive Frequency™ Drives (AFD) on units up to 3,000 tons. A new transformer package allows the low-voltage AFD chillers to operate in medium-voltage applications, significantly reducing unit and installation costs as well as square footage, said the manufacturer. The chillers are capable of utilizing an auxiliary condenser to recover waste heat that would normally be rejected to the cooling tower. The excess energy preheats water for other processes, such as boiler makeup water or domestic hot water. In addition to capturing energy that would otherwise be lost, the auxiliary condenser typically receives entering water temperatures lower than the standard cooling condenser, which increases chiller efficiency. The auxiliary condenser option enables the chillers to be used on applications that require more than 1,500 tons. Also, the range is expanded for Duplex chillers with ice storage, including capacities up to approximately 2,500 tons. Duplex chillers with ice storage enables facilities to shift some or all chiller operation to nighttime run hours, reducing utility bills by running the chiller at a time when power demand is low.

Trane®, a brand of Ingersoll Rand

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