Omnizone™ Constant Volume Water-Cooled Cooling Unit
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
- Rear filter rack to support 1-in. or 2-in. filters
- TXV (thermostatic expansion valve) controlled
- Two-stage capacity control
- 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
- Thermostats and controls