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Omnizone™ Constant Volume Air-Cooled Cooling Unit
50XCA

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

5 to 10 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.


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carrier-intertek-ETL-listed-C-US

Performance Features

  • Capacities of 5, 7½, 10, and 12 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 on sizes 12 and 14
  • Sizes 12 and 14 have two compressors on independent circuits
  • 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 (sizes 12 and 14)
  • 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 2800 65000 5.8 11.2 11.4
08 7.5 2625 3500 80000 7.1 11.2 11.4
12 10 3500 5500 119000 10.6 11.2 11.4

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
06 891 53.1 77.1 30.0
08 1,144 53.1 77.1 30.0
12 1,269 68.0 90.1 31.2

Performance Features

  • Capacities of 5, 7½, 10, and 12 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 on sizes 12 and 14
  • Sizes 12 and 14 have two compressors on independent circuits
  • 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 (sizes 12 and 14)
  • 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 2800 65000 5.8 11.2 11.4
08 7.5 2625 3500 80000 7.1 11.2 11.4
12 10 3500 5500 119000 10.6 11.2 11.4

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
06 891 53.1 77.1 30.0
08 1,144 53.1 77.1 30.0
12 1,269 68.0 90.1 31.2