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).
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
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
Large hinged service access doors
On-board diagnostics include refrigerant pressure sensors
Auto component testing simplifies troubleshooting
Standard Double wall construction
Shipped with R-410A refrigerant charge
Single point electrical service entry, through unit bottom or side
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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