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The Trane Precedent WSK090A3S is a 7.5-ton commercial heat pump packaged unit designed to provide dependable heating and cooling for light commercial applications. Combining all-electric heat pump heating with packaged cooling, this all-in-one rooftop system helps deliver reliable year-round comfort while simplifying equipment placement and maintenance. The WSK090A3S is configured for 208/230V, three-phase electrical service and uses R-454B refrigerant.
The integrated all-electric heat pump system provides heating for year-round comfort without conventional gas heat. The Precedent heat pump platform supports optional auxiliary electric heat for applications requiring supplemental heating. The WSK090A3S uses R-454B refrigerant and incorporates the controls and protection features required for operation of the packaged heat pump system.
The packaged heat pump cooling system provides a nominal 7.5-ton cooling capacity with a 14.6 IEER efficiency rating. This helps provide dependable cooling performance while supporting efficient operation across varying commercial load conditions.
With a 14.6 IEER efficiency rating and single-stage condenser operation, the WSK090A3S is designed to provide dependable packaged heating and cooling for commercial spaces. The all-electric heat pump configuration provides an alternative to conventional gas heating, while the Precedent platform combines commercial-grade components with control and efficiency options designed for year-round comfort.
The packaged rooftop configuration combines the heat pump, cooling, air-moving, and control components into a single outdoor unit, helping simplify equipment placement and preserve valuable indoor space. The Precedent platform offers convertible airflow configurations and options designed to support installation flexibility for new construction and replacement applications. The direct-drive fan design eliminates fan belts that would otherwise require replacement.
The WSK090A3S uses the Symbio® 700 controller for advanced equipment control and service capabilities. The control platform provides equipment configuration, operating status, alarm information, and service functions, with compatible options for building automation and communication requirements. These controls help provide technicians with information needed for setup, monitoring, and troubleshooting.
The Trane Precedent WSK090A3S is designed for light commercial rooftop applications requiring 7.5-ton packaged electric heating and cooling. Its 7.5-ton capacity, 14.6 IEER efficiency, convertible airflow configuration, all-electric heat pump operation, and commercial control capabilities make it suitable for a range of commercial buildings and replacement projects.
The Precedent platform is designed to simplify service with accessible component layouts, direct-drive fans that eliminate fan-belt replacement, and control diagnostics that help technicians identify operating conditions and alarms. The Symbio® 700 control system provides additional configuration and service capabilities to support commissioning and maintenance.
The Trane Precedent heat pump platform includes a 3-year limited warranty on parts and a 5-year limited warranty on the compressor. Warranty coverage is subject to Trane's applicable warranty terms and conditions.
Experience dependable commercial comfort with the Trane Precedent WSK090A3S. Combining all-electric heat pump heating and efficient packaged cooling in one rooftop system, the 7.5-ton unit uses R-454B refrigerant, 14.6 IEER cooling efficiency, and Symbio® 700 controls to provide a flexible solution for light commercial heating and cooling applications.
For years, Trane has been committed to delivering reliable, high-quality, and affordable heating and cooling solutions. Backed by Trane’s legacy of engineering excellence, RunTru products are designed and built to provide dependable indoor comfort for homeowners. With a focus on durability and performance, Trane has earned the trust of HVAC professionals across North America, offering practical and cost-effective solutions without compromising on quality. Shop all Trane products.
