Roof Top Packaged Units

DEH STELLAR Mega Series

YORK STELLAR 60hz Units are single package high efficiency rooftops. Models 780 and 900 have three independent refrigerant circuits while model 1080 and 1200 have four independent refrigerant circuits for efficient part load operation. Although the units are primarily designed for roof top installation they can also be slab mower set on the steel beams above finished roof. A wide variety of factory mounted options and field installed accessories make the stellar units suitable for almost every application.

DEH
DEH

Models DEH 780, 900, 1080 & 1200 (65, 75, 90, & 100 Nominal Tons

YORK STELLAR Units are single package high efficiency rooftops. Models 780 and 900 have three independent refrigerant circuits while model 1080 and 1200 have four independent refrigerant circuits for efficient part load operation. Although the units are primarily designed for roof top installation they can also be slab mower set on the steel beams above finished roof. A wide variety of factory mounted options and field installed accessories make the stellar units suitable for almost every application.

YORK STELLAR units are designed to operate satisfactorily in wide range of ambient temperatures from 131°F (55°C) down to 50°F (10°C) as standard.

YORK STELLAR packaged air conditioners are rated in accordance with ARI 340/360. All

All Standard Units Include

  • Double skin Construction With Pre-Painted Outer Skin In Attractive Colour That Meeets ASTM B 117, 750 Hour Salt Spray Standard
  • Multi-Stage Cooling Provided By Three Or Four Independent Refrigeration Circuits With Expansion Valves, Filter Drier, High And Low Pressure Switches And Freeze-Stats
  • High Efficiency Hermetic Scroll Compressors
  • Rigid Construction With Boxed Extruded Aluminum Profile.
  • Side Air Discharge Configuration
  • High Efficiency PU Foam Insulation Confirming To DIN 4102:B3
  • Single Point Power Connection
  • Totally Enclosed Fan Cooled (TEFC) IP55 Evaporator Fan Motors With Class F Insulation
  • Belt Drive Blower Motor With Variable Pitch Pulley
  • Totally Enclosed Air over (TEAO) IP55 Condenser fan motors with Class F Insulation
  • Microprocessor Based Simplicity TM Control Board
  • Fresh Air Intake Panel
  • Copper Tubes / Aluminum Fins Coils
  • 2 Inch Disposable Filter With Easy Access
  • Rigging Holes In Base Rails For Overhead Lifting
  • Single Point Power Connection
  • Complete Factory Package-Tested, Charged And Wired

Options Available

  • Heresite Coated Evaporator And Condenser Coils (Factory Installed): Coating Is Applied By Spray For Maximum Corrosion Protection
  • Copper Tube and Copper Fin Evaporator And Condenser Coils (Factory Installed)
  • Filter Options: Standard Units Are Shipped, Installed With 2” Throw Away Filters. 2” Washable Aluminum Filters Are Offered As A Factory Installed Option
  • Bag Filters (Factory Installed): Units Can Be Supplied With Standard Size Bag Filters Featuring 65%, 85% & 95% Efficiency.
  • High And Low Speed Drive (factory installed) : In- cludes a belt and blower pulley to upgrade or down- grade the blower performance
  • Fresh Air Dampers: Manual Or Motorized
  • Low Ambient Kit (Factory Installed): For Unit To Work Satisfactorily Down To 32°F (0°C)
  • Smoke Detectors For Supply Air & Return Air (Factory In- Stalled): The Smoke Detectors Stop Operation Of The Unit By Interrupting Power To The Control Board If Smokes Detected Within The Air Compartment
  • Ultra Violet Lamps: Factory Installed
  • Electric Heaters: All electric heat models (heater fac- tory/field installed only) are wired for a single power source and include a bank of nickel chromium elements to be mounted at the discharge of the supply air blower to provide a high velocity and uniform distribution of air across the heating elements. Every element is fully protected against excessive current and temperature by high temperature thermal cut-out(HTIC
  • Phase Monitors (factory installed): Design to pre- vent unit damage, the phase monitor will shut the unit down in an out of phase condition
  • Main Disconnect Switch (Factory Installed): Suitably Sized In Accordance With The Applicable Electrical Codes
  • Thermostat (field installed): For 3 /4stage cooling only and a 2 stage heating
  • BMS Controls: York’s stellar series units offer factory mounted BMS controls-consult your local sales office for details
  • Economizer (Factory Installed): Stellar Units Offer An Optional Factory Installed Economizer With Low Leak Dampers, Single Enthalpy And Double Enthalpy Controls.