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Omnizone™ Constant Volume Air-Cooled Cooling Unit
50XCA

Indoor Self-Contained Unit with Puron® (R-410A) Refrigerant

5 to 20 Nominal Tons

The 50XCA indoor air-cooled packaged units are designed for vertical installation with multiple return air and supply air configurations. These units provide a practical and economical approach to comfort conditioning requirements in replacement, renovation, and new construction applications.


carrier-AHRI-340-360-Unitary-Large-AC
carrier-intertek-ETL-listed-C-US

Performance Features

  • Capacities of 5, 7½, 10, 12, 15 and 20 tons
  • ASHRAE 90.1 compliant
  • Adjustable belt drive centrifugal condenser fan for high-static capability
  • Rear filter rack to support 1-in. or 2-in. filters
  • TXV (thermostatic expansion valve) controlled
  • Two-stage capacity control
  • Adjustable belt drive centrifugal evaporator fan
  • Built-in 24-volt control system
  • R-410A refrigerant
  • Positive sloped stainless steel drain pan
  • Fully insulated unit including full acoustical insulation on compressor section
  • Crankcase heater

Reliability Features

  • Aluminum fin/copper tube coils
  • Painted weather-resistant cabinet meets 500-hour salt spray requirements
  • Scroll compressors with internal overload protection
  • Adjustable belt-drive fan motors
  • 3-phase evaporator-fan motors with internal thermal protection
  • Condensate drain connections on right side of unit
  • High and low pressure switches on each compressor
  • Cycle-LOC™ lockout relay and 5-minute short cycle protection on each circuit
  • Unit is ETL and ETL, Canada certified
  • Manufactured in an ISO 9000 certified factory

Maintenance Features

  • Replaceable filter drier on each refrigerant circuit
  • Filter rack for 1-in. or 2-in. disposable filters
  • Ducted or free return connections
  • All service can be done through unit front or side panels
  • Same filter rack can be used for free or ducted return
  • Permanently lubricated TEFC (totally enclosed fan cooled) evaporator and condenser fan motors

Installation Features

  • Shipped with R-410A charge
  • Ducted or free return connections
  • Flanges provided on condenser and evaporator inlet and outlet
  • Single point electrical connection

Standard Warranty

  • One-year parts

Field-Installed Accessories

  • Louvered discharge assembly
  • Hot water or steam coil
  • Low, medium, and high static fan and drive packages
  • Head pressure control
  • Two speed evaporator fan
  • Thermostats and controls

AHRI* Capacity Ratings

Size Nominal Capacity (Tons) Evaporator Airflow (Cfm) Condenser Airflow (Cfm) Net Cooling Capacity (Btuh) Total Power (kW) EER IEER
06 5 1875 3,400 65,000 6.0 11.2 13.0
08 7.5 2625 4,000 80,000 7.1 11.2 13.1
12 10 3500 6,400 138,000 10.7 11.2 13.1
14 12 4200 6,700 140,000 12.7 11.0 14.0
16 15 5000 9,000 180,000 16.4 11.0 12.6
24 20 7000 10,300 240,000 24.2 10.0 11.8

EER — Energy Efficiency Ratio
IEER — Integrated Energy Efficiency Ratio

*AHRI — Air Conditioning, Heating, and Refrigeration Institute

NOTE: Unit is tested in accordance with AHRI standard 340/360.

Weights & Dimensions

Size Shipping Weight (lbs) Dimensions (in)
Width Height Depth
06 883 53.1 77.1 29.0
08 1,153 53.1 77.1 29.0
12 1,352 68.0 90.1 31.2
14 1,380 68.0 90.1 31.2
16 1,645 88.0 90.1 31.2
24 2,041 88.0 100.1 31.2

Performance Features

  • Capacities of 5, 7½, 10, 12, 15 and 20 tons
  • ASHRAE 90.1 compliant
  • Adjustable belt drive centrifugal condenser fan for high-static capability
  • Rear filter rack to support 1-in. or 2-in. filters
  • TXV (thermostatic expansion valve) controlled
  • Two-stage capacity control
  • Adjustable belt drive centrifugal evaporator fan
  • Built-in 24-volt control system
  • R-410A refrigerant
  • Positive sloped stainless steel drain pan
  • Fully insulated unit including full acoustical insulation on compressor section
  • Crankcase heater

Reliability Features

  • Aluminum fin/copper tube coils
  • Painted weather-resistant cabinet meets 500-hour salt spray requirements
  • Scroll compressors with internal overload protection
  • Adjustable belt-drive fan motors
  • 3-phase evaporator-fan motors with internal thermal protection
  • Condensate drain connections on right side of unit
  • High and low pressure switches on each compressor
  • Cycle-LOC™ lockout relay and 5-minute short cycle protection on each circuit
  • Unit is ETL and ETL, Canada certified
  • Manufactured in an ISO 9000 certified factory

Maintenance Features

  • Replaceable filter drier on each refrigerant circuit
  • Filter rack for 1-in. or 2-in. disposable filters
  • Ducted or free return connections
  • All service can be done through unit front or side panels
  • Same filter rack can be used for free or ducted return
  • Permanently lubricated TEFC (totally enclosed fan cooled) evaporator and condenser fan motors

Installation Features

  • Shipped with R-410A charge
  • Ducted or free return connections
  • Flanges provided on condenser and evaporator inlet and outlet
  • Single point electrical connection

Standard Warranty

  • One-year parts

Field-Installed Accessories

  • Louvered discharge assembly
  • Hot water or steam coil
  • Low, medium, and high static fan and drive packages
  • Head pressure control
  • Two speed evaporator fan
  • Thermostats and controls

AHRI* Capacity Ratings

Size Nominal Capacity (Tons) Evaporator Airflow (Cfm) Condenser Airflow (Cfm) Net Cooling Capacity (Btuh) Total Power (kW) EER IEER
06 5 1875 3,400 65,000 6.0 11.2 13.0
08 7.5 2625 4,000 80,000 7.1 11.2 13.1
12 10 3500 6,400 138,000 10.7 11.2 13.1
14 12 4200 6,700 140,000 12.7 11.0 14.0
16 15 5000 9,000 180,000 16.4 11.0 12.6
24 20 7000 10,300 240,000 24.2 10.0 11.8

EER — Energy Efficiency Ratio
IEER — Integrated Energy Efficiency Ratio

*AHRI — Air Conditioning, Heating, and Refrigeration Institute

NOTE: Unit is tested in accordance with AHRI standard 340/360.

Weights & Dimensions

Size Shipping Weight (lbs) Dimensions (in)
Width Height Depth
06 883 53.1 77.1 29.0
08 1,153 53.1 77.1 29.0
12 1,352 68.0 90.1 31.2
14 1,380 68.0 90.1 31.2
16 1,645 88.0 90.1 31.2
24 2,041 88.0 100.1 31.2