Carrier Weatherexpert – 50N

  • 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).
  • 75 to 150 Nominal Tons 

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
Carrier Weatherexpert – 50N was last modified: March 26th, 2018 by HVAC Expert

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Factory-Installed Options

  • Electric heat options include:
    • Low heat
    • Medium heat
    • High heat
  • SCR electric heat control
  • Hydronic heat
  • Extended chassis tracks for auxiliary coil
  • 4’ or 8’ blank sections
  • 4-in. pleated filters
  • Bag or cartridge filters with pre-filters
  • Final filters
  • Field Use Filter Section
  • Various airflow measuring station combinations
  • UV-C lamps
  • Barometric relief
  • Modulating integrated economizer damper
  • Modulating power exhaust with VFD and building pressure sensor
  • Return fan with VFD and supply fan tracking
  • High static fan options, supply, exhaust and return
  • Alternate high-capacity evaporator coil
  • Condenser and evaporator options include:
    • All-aluminum Novation condenser and Al/Cu evaporator
    • E-coat all-aluminum Novation condenser and Al/Cu evaporator
  • Hot gas bypass
  • Controls input expansion board
  • Totally enclosed fan cooled (TEFC) or Outdoor Drip Proof (ODP) fan motors
  • Bypass on fan motor VFDs
  • GFI (ground fault interrupter) convenience outlet (powered)
  • Marine lights
  • Non-fused disconnect
  • Agion interior coating
  • Low outdoor sound
  • Low ambient control
  • 65 kA SCCR (460V) or 25 kA SCCR (575V)
  • Digital compressor
  • BACnet communication
  • Replaceable core filter drier and service valves
  • Security grilles or louvers for condenser section
  • Humidi-MiZer™ adaptive dehumidification system

Field-Installed Accessories

  • Mixed air and final filter kits
  • CO2 space sensor
  • Outdoor or return humidity sensor (enthalpy)
  • Field use control box
  • Controls input expansion board
  • Navigator™ display
  • Return air CO2 sensor
  • Smoke detector
  • Filter switch
  • Fan status switch
    • T55 Temperature Sensor
    • T56 Temperature Sensor
  • Space temperature sensor with CO2 override
  • Space temperature sensor set point and CO2 override
  • MODBUS Carrier translator
  • LonWorks Carrier translator
  • BACnet Communication module
  • System Pilot™ interface
  • Touch Pilot™ interface
  • 14-in. roof curb
  • Motormaster V control
  • Compressor sound blankets

People like you shared their purchase and installation experience!

Fabiano RosaFabiano Rosa

Brian, Amin and team are simply outstanding. They have done both AC installations in our place. What we love about is the quality of the work, professionalism and amazing customer experience!

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Jonathan ChanJonathan Chan

This company has excellent products and even better service, and it shows through client interaction. They care about their customers and complete their work in a timely fashion. Best of all they leave the work area in cleaner condition than when they arrived.

Their showroom has items you can't even imagine.

I have used Cozy Comfort Plus many times, personally purchased the following from them:
-Furnace
-A/C unit
-Air cleaner and purifier
-Tankless water heater
-Fireplaces (Mantles)
-Fire table and
-BBQ

Brian and his team are my go to.

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Greg OnitGreg Onit

Brian is very easy to work with, his advise about which gas stove to go with was excellent and my parents ending up going with the high-end Regency model. His installers were very good and were easy to talk to about the job and they did an excellent job. I like it when a contractor works with their customers and cares about their company to back up the work done. I highly recommend them and a special thank you to Brian who runs an excellent company! My parents are extremely happy and can't wait on those cold nights to go by to feel the warm heat of their new stove.

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