Omnizone™ Constant Volume Water-Cooled Cooling Unit.

Omnizone™ Constant Volume Water-Cooled Cooling Unit

Indoor Self-Contained Unit with Puron® (R-410A) Refrigerant

5 to 20 Nominal Tons

The 50XCW indoor water-cooled packaged units are designed for vertical installation with multiple return air and supply air configurations. These units provide a practical and economical approach to comfort conditioning requirements in replacement, renovation, and new construction applications.

Performance Features

  • Capacities of 5, 7½, 10, 12, 15, and 20 tons
  • Rear filter rack to support 1-in. or 2-in. filters
  • TXV (thermostatic expansion valve) controlled
  • Two-stage capacity control
  • Brazed-plate style heat exchanger rated at 400 psig water-side working pressure
  • Adjustable belt drive centrifugal evaporator fan
  • Built-in 24-volt control system
  • R-410A refrigerant
  • Positive sloped stainless steel drain pan
  • Fully insulated unit including full acoustical insulation on compressor section
  • Freezestat

Reliability Features

  • Aluminum fin/copper tube coils
  • Painted weather-resistant cabinet meets 500-hour salt spray requirements
  • Scroll compressors with internal overload protection
  • Adjustable belt-drive fan motors
  • 3-phase evaporator-fan motors with internal thermal protection
  • Condensate drain connections on right side of unit
  • High and low pressure switches on each compressor
  • Cycle-LOC™ lockout relay and 5-minute short cycle protection on each circuit
  • Unit is ETL and ETL, Canada certified
  • Manufactured in an ISO 9000 certified factory

Maintenance Features

  • Replaceable filter drier on each refrigerant circuit
  • Filter rack for 1-in. or 2-in. disposable filters
  • Ducted or free return connections
  • All service can be done through unit front or side panels
  • Same filter rack can be used for free or ducted return
  • Permanently lubricated TEFC (totally enclosed fan cooled) evaporator and condenser fan motors

Installation Features

  • Shipped with R-410A charge
  • Ducted or free return connections
  • Evaporator fan is shipped in vertical discharge configuration
  • Flanges provided on condenser and evaporator inlet and outlet
  • Single point electrical connection

Standard Warranty

  • One-year parts

Field-Installed Accessories

  • Accessory louvered discharge assembly
  • Hot water or steam coil
  • Low, medium, and high static fan and drive packages
  • Head pressure control
  • Two speed evaporator fan
  • Thermostats and controls