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Carrier® Infinity® - 4 Ton 20 SEER Residential Variable Speed Air Conditioner Condensing Unit with Greenspeed™ Intelligence

Item: 24VNA048A003
MFR: 24VNA048A003

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About This Product

Product Info


24 = AC / Product Series
V = VS AC / Product Family
N = Infinity Series / A = Puron
0 = 20 SEER / SEER
48 = 4 Ton / Cooling Capacity
A = Standard / Variations
0 = Not Defined / Open
0 = Not Defined / Open
3 = 208/230-1 / Voltage

Carrier’s 24VNA0 with Greenspeed™ Intelligence is a variable speed cooling product providing up to 20.5 SEER cooling efficiency. Lower speed operation, when needed in cooling, for enhanced comfort and dehumidification.
This product has been designed and manufactured to meet Energy Star® criteria for energy efficiency when matched with appropriate coil components. Refer to the combination ratings in the Product Data for system combinations that meet Energy Star® guidelines.

NOTE: Ratings are subject to change at any time. Always refer to the AHRI directory ( for the most up-to-date ratings information.


Energy Efficiency
  • Up to 20.5 SEER / 15.5 EER
  • Microtube Technologyt refrigeration system
  • Indoor air quality accessories available
  • Sound level as low as 58 dBA in low speed
  • Variable speed scroll compressor with capacity range from 40-100%
  • Air cooled Inverter variable speed drive - System requires Infinity® wall control (SYSTXCCITC01-A, SYSTXCCITC01-B or newer)
  • Energy Tracking capability with the Infinity wall control w/software version 13 or later (Energy Tracking has the ability to monitor and estimate the energy consumption of your Infinity system.)
  • Non-ozone depleting Puronr refrigerant
  • Front-seating service valves
  • Infinity Intelligence monitors critical system parameters
  • High pressure switch
  • Suction pressure transducer
  • TXV for cooling
  • Filter drier (field installed)
  • Internal crankcase heater standard
Flexibility and installation:
  • 2 control wires to outdoor unit
  • Minimum and maximum airflow adjustments
WeatherArmor Ultra™ protection package:
  • Solid, Durable sheet metal construction
  • Steel louver coil guard
  • Baked-on, complete outer coverage, powder paint
  • Long-line - up to 250 feet (76.2 m) total equivalent length, up to 200 feet (60.96 m) condenser above evaporator, or up to 80 ft. (24.38 m) evaporator above condenser.
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight324 Pounds (lbs)
Width35 Inches (In)
Height43.8125 Inches (In)
Country of OriginUSA
Length35 Inches (In)
CertificationsAHRI, ISO 9001:2008
Circuit Breaker - Max Amps50
Circuit Breaker - Min Amps35
Condenser Motor HP1/3 HP
Condenser Motor RPM900,500
Condenser Motor SpeedsVariable
Condenser Motor TypeBLDC
Cooling Capacity48000
Cooling Rated Capacity Btu/h48000
Cycle/Hertz60 Hz
Fins per Inch20
Full Load Amps3.2
Liquid Line FittingSwea
Liquid Line Size (OD)3/8"
Locked Rotor Amps42
Maximum Fuse Size50
Maximum Piping Length200
Minimum Circuit Amps35
Product Family24VNA
Prop 65Yes
Rated Current Amps25.4
Rated Load Amps25.4
Sound Level (dBA)48.5-68
Suction Line FittingSweat
Suction Line Size (OD)1 1/8"
Voltage208-230 VAC
Warranty OfferedYes


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