Carrier Weathermaster – 48P Commercial Rooftop 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 onboard LED and two-stage gas
• valves with redundant 100% shutoff

Maintenance Features

• Large hinged service access doors
• Onboard 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 the heat exchanger
• One year parts only on all other parts