EAW-VA V Adiabatic Cooler

• Dramatically reduced water consumption
• 304L stainless steel tubing as standard
• Aluminum fins as standard
• Ranging in capacity from 13 to 415 nominal tons
• IBC Compliant for 1.5 Importance Factor installations
• Reduced maintenance
• Ships as one piece, ready for installation
• Low profile

Hot process fluid enters the inlet header connection, shown in red. Heat from the process fluid dissipates through the coil tubes surface and out to the fins. The adiabatic system involves fully wetting a fibrous pad located in front of the coil. Ambient air is drawn through the adiabatic pre-cooling pad by the fans located on top of the unit. The air is humidified as it passes through the adiabatic pad, decreasing the ambient dry bulb temperature within a few degrees of the ambient wet bulb temperature. This new air temperature is referred to as the depressed dry bulb. This pre-cooled air is then drawn through the tube and fin surface, offering a substantial increase in heat rejection capability. Heat from the process fluid transfers to the air and discharged to the atmosphere. Cool process fluid exits the unit through the connections shown in blue.

Adiabatic Pre-cooling System

• Wetted pads can be utilized for pre-cooling entering air, resulting in greater energy savings, and increased capacity, with minimal water use
• Great for high ambient dry bulb climates or high temperature applications
• Once-through design
• No water treatment required
• No cold water basin or pump
• No drift

PuRe-JET™ Pumpless Adiabatic Recirculation System: Optional Accessory

• Pumpless recirculation system
• Significant water savings
• Reduced complexity and maintenance
• Factory installed
• Integrated controls via factory-mounted control panel

Reduced or Eliminated Water Consumption

Compared to traditional evaporative systems, the eco-Air series will either eliminate or dramatically reduce water consumption. Adiabatic models only use water when the ambient conditions and load require it. Reducing water consumption also reduces the ongoing expenses related with the cooling equipment such as purchasing, treating, and disposing of water. When the eco-Air adiabatic models are used in conjunction with the EVAPCO controls package, water conservation is maximized based on proprietary PLC logic.
 

Individual Motor Disconnect Switches

Mounted at each fan motor to electrically isolate individual motors

Internal Step Deck

Platform and grab rail for access to elevated fan section components

Epoxy Coated Fins

• Increased corrosion resistance
• No impact on unit capacity

EVAPCO Control Package

The EVAPCO Control Package is factory mounted and wired when configuration and shipping limitations allow.

Provides operating sequence and fan speed control based on real time heat loads and ambient conditions.

• EVAPCO PLC Controller
• Supervisory control system integration
• Fan speed control
• EC Motor Option: Modbus control of EC fan
• NEMA Motor Option: Packaged VFD with bypass switch
• UL Listed
• NEMA 3R Rated
• Thermal overload and short circuit protection of each motor
• Operate and fault indicator lights on outside of panel
• Refrigerant Pressure Sensor (shipped loose)
• Ambient Temperature Sensor
• Solenoid control of adiabatic pre-cooling system
• Rain/Sun Protection Hood (optional)