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Air Handling Units

Condensers/Condensing Units

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CN Series

Condensing units with VFD Controlled Variable Speed Scroll Compressors, Microchannel Condenser Coils, Double Wall Rigid Polyurethane Foam Injected Panel Construction, and a Compressor and Control Compartment with Lockable Hinged Service Access Doors. Options include Modulating Hot Gas Reheat, VFD Controlled Variable Speed Condenser Fans, and Flooded Condenser 0°F Low Ambient Control. The CN Series can be matched with AAON Indoor and Outdoor DX Air Handling Units.

CN SeriesService Access Microchannel Condenser Coil
Applications
  • Air-cooled condensing unit, from 55 - 140 tons.
  • Operation in low ambient conditions is available through the factory installed variable speed condenser fans or optional low ambient control on the refrigeration system.
  • Variable capacity scroll compressors for load matching cooling and improved part load efficiency.
Construction
  • The CN Series condensing unit has factory assembled and tested components, split system piping stub-outs, and wiring to accept single-point electrical connection.
  • Designed for outdoor operation, the outdoor condensing unit includes a corrosion resistant paint that exceeds a 2,500 hour salt-spray test.
  • Paint can be specified in a variety of colors to enhance the aesthetics of visible units.
  • Compressor and controls are accessed through an enclosed service compartment that is shielded from weather and outdoor elements.
  • Double wall cabinets utilize thermal breaks and closed-cell polyurethane in its rigid polyurethane foam panels to increase thermal resistance, reinforce structural integrity, and attenuate radiated sound.
  • Scroll compressors are installed on structural decks and 4-point rubber-in-shear isolation mounts for quiet and efficient operation.
  • Hinged access doors are provided in areas subject to scheduled maintenance.  Doors are constructed with stainless steel piano hinges, perimeter gaskets, and zinc cast lockable handles.
Features and Options
  • The CN Series condensing units are designed with microchannel condenser coils that more efficient, lighter, and use less refrigerant that traditional tube and fin condenser coils.
  • VFD controlled variable speed R-410A scroll compressors are available on all refrigeration circuits for load matching cooling capabilities and increased part load efficiency.
  • Variable speed condenser fans are available to increase unit efficiency at part load and low ambient conditions, increase operating temperature range, and reduce sound levels.
  • Low ambient control on one or all refrigeration circuits are available for mechanical cooling during decreased ambient temperatures.
  • Polymer e-coated condenser coils can be specified to extend the life of the coils and protect them in corrosive environments.
  • Split system modulating humidity control is available to provide energy efficient dehumidification, even with low sensible heat loads, without the temperature swings common with on/off reheat systems.
  • Optional 5 year extended compressor warranty.
Controls
  • Labeled electrical components and color-coded wiring match the unit specific color-coded wiring diagram which is laminated, permanently affixed inside the control compartment, and simplifies service and scheduled maintenance.
  • Factory provided or customer provided controller can be selected to meet existing or new building control architecture.
  • Microprocessor controls are compatible with BACnet®, Modbus®, Johnson N2™, and LonTalk® protocols.
  • Factory run test and inspection reports are included in the documentation compartment affixed to the interior of the control compartment access door.

 

CN
Model		 Cabinet Width Height Length
055 A 142 104 90
065
075
090 B 152
105
120 C
130
140
All dimensions are in inches

 

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