• California Prop 65


Electric Cooling Units with Puron® (R-410A) Refrigerant

75 to 150 Nominal Tons

50N2 – Vert Supply/Return CV/SAV
50N3 – Vert Supply/Return VAV
50N4 – Horz Supply/Return CV/SAV
50N5 – Horz Supply/Return VAV
50N6 – Vert Supply/Return CV/SAV
50N7 – Vert Supply/Horz Return VAV
50N8 – Horz Supply/Vert Return CV/SAV
50N9 – Horz Supply/Vert Return VAV

Carrier N Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. All 50N models feature a double wall foam panel cabinet design with hinged man-sized access panels. Units are available in constant volume (CV), staged air volume (SAV), or variable air volume (VAV) applications with a wide variety of electric or hydronic heating options. Units come with the ComfortLink™ DDC (direct digital control) communicating control system and hermetic scroll compressors on dual independent refrigeration circuits, controlled via Electronic Expansion Valves (EXV).


Performance Features

  • High-capacity and high-efficiency models available, meeting or exceeding EER requirements of AHSRAE Standard 90.1
  • Multiple high-efficiency scroll compressors include a crankcase heater and spring isolation, providing up to 8 steps of cooling capacity control with intertwined evaporator coils for full-face active operation at part-load conditions
  • Cooling operating range from 32 to 115F ambient on a standard model, down to -20F with MotorMaster® V control, and up to 125F on high efficiency models
  • Double wall foam panel construction
  • ComfortLink™ control includes: easy to use scrolling marquee display, service diagnostics, run test capabilities, demand limit capability, compressor reverse rotation protection, and BACnet communication option.
  • California Energy Commission Title 24 Compliant

Reliability Features

  • Dual electrically and mechanically independent refrigerant circuits, with coil frost protection, liquid line filter driers, crankcase heaters, and Electronic Expansion Valves (EXV) standard on all models.
  • Compressor protection includes high and low pressure transducers with safety cutouts on compressor
  • Circuit breaker protection for all power components
  • Cabinet made of pre-painted, galvanized steel with baked enamel finish, which meets ASTM B117 salt spray resistance test
  • Robust electric resistance heaters are factory installed nichrome element type, insulated with ceramic bushings, and include operating and safety controls
  • Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada

Maintenance Features

  • Large hinged service access doors
  • On-board diagnostics include refrigerant pressure sensors
  • Auto component testing simplifies troubleshooting
  • Standard Double wall construction

Installation Features

  • Shipped with R-410A refrigerant charge
  • Single point electrical service entry, through unit bottom or side
  • Lifting lugs

Standard Limited Warranty

  • 3 years parts only on Novation™ condenser coil
  • One year parts only on all other parts

California residents please see Proposition 65

Safety Standards
California Prop 65 Yes
Weights and Dimensions
Operating Weight (lbs) NotAssigned
Exterior Dimensions (D) (inches) 0.000000
Exterior Dimensions (W) (inches) 0.000000
Exterior Dimensions (H) (inches) 0.000000
Shipping Weight (lbs) 0.000000