Carrier WeatherMaker Single Packaged Rooftop Unit 48A Model 48A3D050BRL631EE

Carrier WeatherMaker Single Packaged Rooftop Unit 48A Model 48A3D050BRL631EE

**Brand new.

Gas Heating / Electric Cooling with Puron® (R-410A) Refrigerant

20 to 60 Nominal Tons

48A2 – CV/SAV, Vertical
48A3 - VAV, Vertical
48A4 – CV/SAV, Horizontal
48A5 - VAV, Horizontal

Carrier A Series Rooftop products are pre-wired and charged with refrigerant and tested in both cooling and heating modes at the factory. All models feature an industrial grade cabinet with fully hinged access panels. Superior supply fan performance with up to 3.5 in. external static pressure is standard.

Units are available in Constant Volume (CV), Staged Air Volume (SAV), or Variable Air Volume (VAV) applications. A wide variety of gas options are available. Units come standard with ComfortLink™ control and Scroll compressors on dual independent TXV controlled refrigeration circuits.

Weather Series single-packaged rooftop units by Carrier provide solutions for every comfort-conditioning requirement. The Weather Series rooftop units in 20 ton and larger capacities are designed for optimal performance with Puron® refrigerant.

WeatherMaster® units provide high-energy efficiency to meet or exceed the latest ASHRAE 90.1 requirements and offer a wide range of feature choices to meet unique application and comfort requirements.

WeatherMaker® products provide competitively priced cooling and heating that meets the latest ASHRAE 90.1 energy efficiency requirements.

Weather Series rooftop units offer a wide range of options for either factory or field installation. With leading energy efficiency levels, backward replacement capability, and a host of available options, the Weather Series units are ideal for replacement applications and new construction projects.

Performance Features

• High-efficiency scroll compressors (digital compressor available)
• Two-stage cooling on Constant Volume and Staged Air Volume units, with multiple adaptive demand control for up to 5 stages of cooling capacity
• Cooling operation range up to 120° F ambient and down to 35° F ambient
• 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
• Meet or exceed the EER requirements of ASHRAE Standard 90.1, rated in accordance with ARI Standard 340/360
• 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
• Double wall design available

Installation Features

• Shipped with R-410A refrigerant charge
• Single point electrical service entry, thru unit bottom or side
• Lifting lugs

Reliability Features

• Dual electrically and mechanically independent refrigeration 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
• 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