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Omnizone™ Constant Volume Water-Cooled Cooling Unit
50XCW

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

5 to 20 Nominal Tons

The 50XCW indoor water-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, 12, 15, and 20 tons
  • ASHRAE 90.1 compliant
  • Rear filter rack to support 1-in. or 2-in. filters
  • TXV (thermostatic expansion valve) controlled
  • Two-stage capacity control on sizes 12 to 24
  • Sizes 12 to 24 have two compressors on independent circuits
  • Brazed-plate style heat exchanger rated at 400 psig water-side working pressure
  • 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
  • Freezestat

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
  • Evaporator fan is shipped in vertical discharge configuration
  • Flanges provided on condenser and evaporator inlet and outlet
  • Single point electrical connection

Standard Warranty

  • One-year parts

Field-Installed Accessories

  • Accessory louvered discharge assembly
  • Hot water or steam coil
  • Low, medium, and high static fan and drive packages
  • Head pressure control
  • Two speed evaporator fan (size 12-24)
  • Thermostats and controls

50XCW/09XC AHRI Capacity Ratings

Size Nominal Capacity (Tons) Evaporator Airflow (Cfm) Net Cooling Capacity (Btuh) Total Power (kW) EER IEER
06 5 1875 66000 5.0 13.3 13.7
08 7.5 2625 78000 6.5 12.0 13.5
12 10 3500 134000 9.2 14.6 17.2
14 12 4200 138000 8.6 16.1 15.6
16 15 5250 176000 11.4 15.4 18.6
24 20 7000 242000 17.9 13.5 14.6

AHRI = Air Conditioning, Heating and Refrigeration Institute
EER = Energy Efficiency Ratio
IEER = Integrated Energy Efficiency Ratio

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

50XCW Weights and Dimensions

Size Shipping Weight (lbs) Width (in) Height (in) Depth (in)
06 642 53.1 57.0 29.0
08 824 53.1 57.0 29.0
12 1026 68.0 64.0 31.2
14 1119 68.0 64.0 31.2
16 1125 88.0 66.7 31.2
24 1712 88.0 70.8 31.2

Performance Features

  • Capacities of 5, 7½, 10, 12, 15, and 20 tons
  • ASHRAE 90.1 compliant
  • Rear filter rack to support 1-in. or 2-in. filters
  • TXV (thermostatic expansion valve) controlled
  • Two-stage capacity control on sizes 12 to 24
  • Sizes 12 to 24 have two compressors on independent circuits
  • Brazed-plate style heat exchanger rated at 400 psig water-side working pressure
  • 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
  • Freezestat

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
  • Evaporator fan is shipped in vertical discharge configuration
  • Flanges provided on condenser and evaporator inlet and outlet
  • Single point electrical connection

Standard Warranty

  • One-year parts

Field-Installed Accessories

  • Accessory louvered discharge assembly
  • Hot water or steam coil
  • Low, medium, and high static fan and drive packages
  • Head pressure control
  • Two speed evaporator fan (size 12-24)
  • Thermostats and controls

50XCW/09XC AHRI Capacity Ratings

Size Nominal Capacity (Tons) Evaporator Airflow (Cfm) Net Cooling Capacity (Btuh) Total Power (kW) EER IEER
06 5 1875 66000 5.0 13.3 13.7
08 7.5 2625 78000 6.5 12.0 13.5
12 10 3500 134000 9.2 14.6 17.2
14 12 4200 138000 8.6 16.1 15.6
16 15 5250 176000 11.4 15.4 18.6
24 20 7000 242000 17.9 13.5 14.6

AHRI = Air Conditioning, Heating and Refrigeration Institute
EER = Energy Efficiency Ratio
IEER = Integrated Energy Efficiency Ratio

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

50XCW Weights and Dimensions

Size Shipping Weight (lbs) Width (in) Height (in) Depth (in)
06 642 53.1 57.0 29.0
08 824 53.1 57.0 29.0
12 1026 68.0 64.0 31.2
14 1119 68.0 64.0 31.2
16 1125 88.0 66.7 31.2
24 1712 88.0 70.8 31.2

California residents please see Proposition 65