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Omnizone™
50XCA

Air-Cooled Indoor
Self-Contained Unit
Constant Volume 
with Puron® (R-410A) refrigerant

18 to 42 Nominal kW
5 to 12 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.

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
14 12 4200 8000 140000 12.7 11.0 11.2

LEGEND
*AHRI — Air Conditioning, Heating, and Refrigeration Institute EER — Energy efficiency ratio
IEER — Integrated energy efficiency ratio
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
14 1,298 68.0 90.1 31.2
16 1,575 88.0 90.1 31.0
24 2,000 88.0 100.1 31.0

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
14 12 4200 8000 140000 12.7 11.0 11.2

LEGEND
*AHRI — Air Conditioning, Heating, and Refrigeration Institute EER — Energy efficiency ratio
IEER — Integrated energy efficiency ratio
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
14 1,298 68.0 90.1 31.2
16 1,575 88.0 90.1 31.0
24 2,000 88.0 100.1 31.0
SEE ALSO
WORKS WITH
CONTROLS