York Z Millennium Commercial Rooftop Units

  • Capacity: 25 – 40 Tons
  • Efficiency: 10.5 – 10.7 EER / 11 – 13.8 IEER
  • Warranty: Compressor – 1 year limited
  • Heat Exchanger – 10 year limited
  • Other parts – 1 year limited

FEATURES:

  • Meets or exceeds ASHRAE Standard 90.1.
  • Double-wall construction with galvanized sheet metal liner to protect against microbial growth.
  • Rigid sheet metal inner liner to keep insulation out of the airstream.
  • Sloped drain pan protects against pan corrosion and bacterial growth.
  • Pitched roof design for natural drainage.
  • Scroll compressors for efficiency and durability—four independent cooling stages for excellent cooling comfort and efficiency.
  • Multiple refrigeration circuits for greater turndown and the best unloading capabilities.
  • Extended flue connection on gas units to eliminate the possibility of corrosion in the furnace heat exchanger.
  • Constant, multiple speed, single zone and variable air volume configurations available.
  • Full range of airflows and static pressures to meet most every application requirement.
  • Single power point connection for gas and electric.
  • Filter selections from standard 2″ up to optional 6″ – 95% MERV 14 to meet current LEED points rating.
  • Simple controls that are easy to understand, apply, and update.
  • Rain hoods rotate into place—an easy one-person job.
  • Easy service access with hinged and latched doors on both sides of the unit.
  • Durable finish, made of powder-painted, galvanized steel to meet 1000-hour salt-spray test demands.
  • Optional VFD head pressure control where mechanical cooling is required below 40°F; allows compressor operation down to 0°F.
  • Optional modulating gas heat (CV units only).
  • Optional stainless steel gas heat exchangers provide extended heating section life.
  • Standard Smart Equipment™ provides capabilities such as on-board, wireless and internet monitoring, scheduling, setpoint adjustment and troubleshooting capabilities. The standard Millennium Smart Equipment™ is field convertible to speak several different communication protocols such as BACNET (MSTP), .JCI N2 and ModBUS (RTU).
  • Complete line of factory-installed accessories, including economizers, electric heat, power exhaust, a variety
    of blower horsepower ratings, 115V convenience outlets and more.

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