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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.

Product Information

  • 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.

Product Literature

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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