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Precedent® Rooftop Units

Models 3-25 Tons

Precedent Y Model-Gas Right LHV

Overview

Setting the standard for reliability, consistency and performance.

  • Capacity Range: 3-25 Tons
  • Types: Gas/Electric, Electric/Electric, Heat Pumps, Hybrid Dual Fuel
  • Efficiency Options: Standard, High and Ultra-High (eFlex™)
  • Controller:  Symbio® 700
  • Refrigerant: R-454B

  1. Consistent Features & Options

    Trane offers rooftop unit options to suite every need—regardless of capacity, efficiency or fuel type.

  2. All-Electric and Hybrid Solutions

    Precedent® Rooftop Units are available as a heat pump or hybrid dual fuel to help meet decarbonization goals or electrification mandates.

  3. Simplified Service

    Tech friendly features of Precedent® Rooftop Units include hinged control-panel access, no fan belts to replace, and an easy-to-use Symbio app.

  4. Exceptional Efficiency

    Reduce utility costs with ultra-high efficient Precedent units, up to 25.6 IEER.

  5. Digital, Connected Controls

    Symbio 700 controls enable scalable building automation through advanced equipment control, analysis, remote monitoring, operation and servicing.

  • Single-Zone and True Multiple-Zone VAV capabilities to keep spaces comfortable
  • Symbio 700 controller with a user-friendly 2″ x 16″ LCD on-board display
  • Symbio Service & Installation app for advanced configuration, setup, status updates, alarms and service capabilities
  • Convertible airflow configuration
  • Low-gwp R-454B refrigerant with factory installed leak detection systems where applicable
  • Toolless coil guards simplify maintenance and provide extra protection
  • Direct-drive fans for better efficiency and reduced maintenance
  • Options: eFlex variable speed compressors, low leak economizer, modulating hot gas reheat (HGRH), 10:1 modulating gas heat, up to MERV 13 filtration, CompleteCoat™ condenser coil protection, supply & return smoke detectors and more
  • Control Options: Expansion modules, BACnet™, Modbus, Air-Fi® wireless communication, BAS points for leak detection

  1. Precedent Rooftop Units – Gas Pack (YSK/WHK)

    • Capacity Range: 3-25 tons
    • Types: Gas heating and electric cooling 
    • Efficiency: Up to 25 IEER
    • Unit Controller: Symbio® 700
    • Refrigerant: R-454B

  2. Precedent Rooftop Units – Cooling Only (TSK/THK)

    • Capacity Range: 3-25 tons
    • Types: Cooling only with optional auxiliary electric heat
    • Efficiency: Up to 25.6 IEER
    • Unit Controller: Symbio® 700
    • Refrigerant: R-454B

  3. Precedent Heat Pump Rooftop Units (WSK/WHK)

    • Capacity Range: 3-25 tons
    • Type: All-electric heat pump
    • Efficiency: Up to 17.5 IEER
    • COP: Up to 3.8
    • Unit Controller: Symbio® 700
    • Refrigerant: R-454B

  4. Precedent Hybrid Dual Fuel Rooftop Units (DSK/DHK)

    • Capacity Range: 3-25 tons
    • Type: All-electric heat pump with auxiliary gas heat
    • Efficiency: Up to 17.3 IEER
    • COP: Up to 3.8
    • Unit Controller: Symbio® 700
    • Refrigerant: R-454B

3 years on parts, coils & controls, 5-years on compressors and 10–15-years on heat exchangers.

Video

Precedent Rooftop Units

Everything you need in a 3–25-ton rooftop unit—regardless of capacity, efficiency or heating type.

FAQs

Your frequently asked questions about rooftop HVAC units, answered.

A rooftop HVAC unit heats, cools, and ventilates a building by using a compressor, condenser, evaporator, blower, and heating elements. It circulates air, absorbs indoor heat, and releases it outside.

Yes, packaged rooftop units can heat and cool.

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    Symbio® Equipment Controllers

    Energy-efficient sustainable buildings begin at the HVAC system. Trust Symbio for an optimal, tailored solution for you.

    Trane® Symbio® Equipment Controllers maximize energy efficiency and flexibility, offering seamless integration, remote connectivity, and enhanced serviceability for various HVAC systems.

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Solutions & Support

  • Foundation medium curb rooftop

    Light Commercial HVAC Replacement

    Count on your local Trane replacement specialists for all your immediate, emergency and planned 3-25 ton rooftop, split system and ductless replacement needs.

  • Education & Training

    Educational opportunities for all your commercial HVAC training needs.

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