WEATHERMASTER® 48P SINGLE-PACKAGED ROOFTOP GAS HEATING / ELECTRIC COOLING UNITS
Performance Features
- Multiple high-efficiency scroll compressors include a crankcase heater and vibration isolation
- 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 115 F ambient (down to -20 F with accessory Motormaster® V control)
- 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.
- Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada
- Meet or exceed the EER requirements of ASHRAE Standard 90.1, rated in accordance with ARI Standard 340/360
- California Energy Commission Title 24 Compliant
Reliability Features
- Dual electrically and mechanically independent refrigerant circuits, with coil frost protection, liquid line filter driers, and crankcase heaters standard on all models
- Compressor protection includes high and low pressure transducers with safety cutouts
- 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
- Condenser-fan motors are totally enclosed with internal protection
- 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
Maintenance Features
- Large hinged service access doors
- On-board diagnostics include refrigerant pressure sensors
- Double wall design available
Installation Features
- Shipped with R-410A refrigerant charge
- Single point electrical service entry, through unit bottom or side
- Lifting lugs
- Factory-installed pivoting outside air hoods
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 for an auxiliary coil
- Double wall construction
- 2-in. pleated filters with 4-in. field convertible filter rack
- Bag or cartridge filters (sizes 030-070 only)
- Outdoor air CFM station
- Manual outside air self-closing damper
- Modulating integrated economizer damper
- Modulating integrated ultra-low leak economizer damper
- Barometric relief
- Non-modulating power exhaust (CV units only)
- Modulating power exhaust with building pressure sensor
- Alternate high-capacity evaporator coil (all sizes except 035)
- High capacity power exhaust with VFD (sizes 075-100 only)
- Return fan with VFD (sizes 075-100 only)
- 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
- Bypass on indoor fan motor VFD
- GFI (ground fault interrupter) convenience outlet (powered)
- Power terminal block
- Non-fused disconnect
- Airfoil supply fan (sizes 075-100 only)
- Low outdoor sound
- Low ambient control
- 65 kA SCCR (460V) or 25 kA SCCR (575V)
- Digital compressor
- BACnet communication
- Replaceable core filter drier
- Security grille (sizes 070-100 only)
- Humidi-MiZer™ adaptive dehumidification system
Field-Installed Accessories
- Liquid propane (LP) conversion kit (sizes 030-070 only)
- 2-in. and 4-in. filter kits
- CO2 space sensor
- Outdoor or return humidity sensor (enthalpy)
- Condenser coil hail guard assembly
- 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
- BACnet Communication module
- MODBUS Carrier translator
- LonWorks Carrier translator
- System Pilot™ interface
- Touch Pilot™ interface
- 14-in. roof curb
- Motormaster V control
- Compressor sound blankets
PURON® (R-410A) REFRIGERANT
30 to 100 Nominal Tons
48P2 – Vertical CV/SAV
48P3 – Vertical VAV
48P4 – Horizontal CV/SAV
48P5 – Horizontal VAV
Carrier P Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. All models feature an industrial grade cabinet with fully hinged access panels. Forward-curved supply fans provide performance of up to 4 in. external static pressure (ESP) and 6 in. ESP with optional airfoil supply fans.
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) control system, scroll compressors on independent thermostatic expansion valve (TXV) controlled refrigeration circuits.
Offering WEATHERMASTER® 48P SINGLE-PACKAGED ROOFTOP GAS HEATING / ELECTRIC COOLING UNITS 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.