WeatherMaker® 50A

Single-Packaged Rooftop Units
Electric Cooling
Puron® (R-410A) Refrigerant

20 to 60 Nominal Tons

50A2 – CV/SAV, Vertical
50A3 – VAV, Vertical
50A4 – CV/SAV, Horizontal
50A5 – 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 variety of electric heat options are available. Units come standard with ComfortLink™ control and Scroll compressors on dual independent TXV controlled refrigeration circuits.

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erformance 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
  • Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas valves with redundant 100% shutoff

Standard Limited Warranty

  • One year parts only on all other parts
  • 3-years parts only on Novation™ condenser coil
  • 5-years non pro-rated warranty on heat exchanger


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WeatherMaker® 50A2,A3,A4,A5020-060 Single Package Electric Cooling Rooftop Units with Electric Heat Option, ComforLink™ Controls and Puron® Refrigerant (R-410A) Export Units - 60 Hz


WeatherMaker® 48/50A2,A3,A4,A5020-060 Single-Package Gas Heating/Electric Cooling Rooftop Units and Electric Cooling Rooftop Units with Optional Electric Heat with ComfortLink Controls and Puron® Refrigerant (R-410A) 20 to 60 Nominal Tons - 60 Hz