Omnizone™ Variable Volume Water-Cooled Cooling Unit 50BVJ Indoor Self-Contained Unit 18 to 30 Nominal Tons

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Performance Features

• Capacities of 18, 20, 25, and 30 tons
• EER of up to 14.8
• ASHRAE 90.1 compliant
• Variety of drive and motor options for low and medium static pressure applications
• Coaxial tube-in-tube design condensers
• Two electronically and mechanically independent refrigerant circuits
• Supply fan housing and wheels designed for quiet, low-velocity operation
• Direct expansion evaporator coil
• One or two forward-curved, high pressure Class II fan assemblies
• Fully insulated, unpainted, galvanized steel cabinet
• Compressors mounted on rubber grommets
• Crankcase heater on size 034

Reliability Features

• Scroll compressors
• TXV refrigerant metering device
• Compressors with high and low pressure cut outs and overtemperature protection
• Safely operates without water regulating valves with entering-water temperature as low as 50° F
• Steel outer condenser water tubes
• Choice of copper or cupronickel inner condenser water tubes
• Factory wired and tested before shipment
• Tested in accordance with UL Standard 1995 and listed with UL and UL, Canada
• Comfort Controller 6400 provides:
  • Communications
  • 2-line, 24-character display and keypad
  • Time schedule
  • VFD fan speed control
  • Compressor staging algorithms
  • Service diagnostics, alarms, and alarm history
  • Service and start-up run test capability

Maintenance Features

• 1-in., 30% efficiency, return-air filters
• Insulated divider panel between air-handling and compressor sections for service testing without air bypass
• All service can be done through removable panels
• No tools required to change filters

Installation Features

• Shipped with R-410A
• Flanges provided on condenser and evaporator inlet and outlet
• Single point electrical connection