WEATHEREXPERT™ 48N SINGLE-PACKAGED ROOFTOP
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 upto 125F on high efficiency models
- Double wall foam panel construction
- Induced draft gas heating system with the direct spark ignition (DSI) control system measures 81% annual fuel utilization efficiency (AFUE) using the integrated gas controller (IGC)
- 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
- Direct spark ignition, Alumagard Coated Turbo-tubular heat exchangers, and induced draft combination provide for safety and reliability
- Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas valves with redundant 100% shutoff
- 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
- 5 years parts only, non pro-rated, on heat exchanger
- One year parts only on all other parts
Factory-Installed Options
- Low or high gas heat options include:
- Aluminized steel heat exchanger
- Stainless steel heat exchanger
- Stainless steel heat exchanger with staged gas discharge air temperature control
- Stainless steel heat exchanger with modulating gas discharge air temperature control
- 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
- Modulating gas heat control
- 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
- Flue extension
- 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
GAS HEATING / ELECTRIC COOLING UNITS
PURON® (R-410A) REFRIGERANT
75 to 150 Nominal Tons
48N2 – Vert Supply/Return CV/SAV
48N3 – Vert Supply/Return VAV
48N4 – Horz Supply/Return CV/SAV
48N5 – Horz Supply/Return VAV
48N6 – Vert Supply/Horz Return CV/SAV
48N7 – Vert Supply/Horz Return VAV
48N8 – Horz Supply/Vert Return CV/SAV
48N9 – Horz Supply/Vert Return VAV
Carrier N Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. All 48N 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 gas 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).
Offering WEATHEREXPERT™ 48N SINGLE-PACKAGED ROOFTOPS in:
VIRGINIA: Alexandria, Annandale, Arlington, Ashburn, Burke, Centreville, Chantilly, Crystal City, Dale City, Dulles, Fairfax, Falls Church, Fort Belvoir, Great Falls, Herndon, Leesburg, Lincoln, Lorton, Manassas, McLean, Oakton, Purcellville, Reston, Springfield, Stafford, Sterling, Vienna, Woodbridge.
MARYLAND: Annapolis, Aspen Hill, Beltsville, Bethesda, Chevy Chase, College Park, Gaithersburg, Hampstead, Hyattsville, Lanham, Laurel, Montgomery Village, Potomac, Rockville, Silver Spring, Takoma Park, Temple Hills, National Harbor, Cabin John, East Riverdale, Riverdale, Landover, Cheverly, Oxon Hill, Fort Washington, Indian head, Morningside.
WASHINGTON, DC
HVAC – Heating – Air Conditioning Repair Experts at Perryaire.