Chiller compressors for air conditioning may be (from smallest to largest) reciprocating, scroll, screw or centrifugal with capacities ranging from 25 to above 1,000 tons of refrigeration. The application of non-Trane factory engineered VFDs to Trane Centrifugal, Helical rotary screw, scroll, or reciprocating compressors is NOT approved. For applying VFDs to CenTraVac chillers, see the TR200 CTV Air-Cooled Drives link below.

Centrifugals Chillers                                     

Trane Drives

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Trane is a leading global provider of residential heating and air conditioning and commercial HVAC solutions that reliably improve indoor environmental quality. Trane provides energy efficient commercial air conditioners, chiller systems, HVAC controls, HVAC parts & supplies, and building automation systems that contribute to sustainable building design. Trane partners with building owners, engineers and contractors with services for HVAC system design, HVAC service, temporary cooling, chiller upgrades, performance contracting, advanced building controls and financing solutions.