EVAPCO's LARGEST and most ENERGY EFFICIENT single cell evaporative cooler
The new 14’ x 22’ ESW4 was designed to maximize capacity and optimize energy efficiency in EVAPCO’s single largest closed circuit cooler cell available. Utilizing EVAPCO’s Crosscool Internal Tube Enhancement and the designed elliptical tube Sensi-Coil Technology, the 14’ x 22’ ESW4 provides equal or greater capacity than competitive units that are larger in footprint and higher in fan motor HP. The optimized ESW4, also available in 8.5' and 12' wide models, was developed specifically for high tonnage applications such as data centers, industrial plants, and large HVAC applications, where the end user requires the lowest energy consumption on the fewest amount of units, connections and fans. The ESW4 offers the most models and box sizes in the industry and is designed with IBC Compliant Construction, FM Approved Construction and CTI Certified Performance.
- Over 130 models with a wide range of tonnages ( 270 – 670 nominal tons in a single cell)
- Incredibly energy efficient, maximizing capacity in the smallest footprint and lowest connected horsepower
- Unique design eliminates need for a discharge hood with dampers and reduces freezing concerns during winter months
- Sensi-Coil located outside of the airstream uses only sensible cooling, which eliminates water evaporation from the coil, thereby greatly reducing scale build-up on the coil
- Reduced footprint, excels where space is a concern
- Ideal for replacing older, inefficient and outdated units
- Highest IBC (International Building Code) ratings in the industry, available with upgraded construction and 1.5 Importance Factor for critical facilities
- Available with FM Approved Construction
- Wide array of fan motor HP options (20 HP to 100 HP)
- Available with FACTORY-MOUNTED water treatment and EVAPCO’s new Water Saver
- Independently certified by the Cooling Technology Institute
EVAPCO is proud to be the first to develop a closed circuit cooler with Combined Indirect and Direct Cooling technology. The pump is energized, and water circulates up to the water distribution system. The large orifice EvapJet nozzles evenly distributes water as a thin film over the extended fill surface for maximum cooling efficiency. Simultaneously, the fan system moves large volumes of air through the unit in the opposite direction of the falling water. The air and water contact directly across the fill surface, whereupon a small portion of the spray water evaporates; the warm and saturated air is then discharges from the unit, removing heat from the system. The spray water exits the fill section as a cooled fluid where it is collected by the redistribution basin for even soaking of the full footprint coil. The hot process fluid enters the coil through the bottom coil connection(s). The heat load is rejected to the circulating water that cascades over the coil surface by means of sensible heat transfer.
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Sensi-Coil Technology
- An innovation of the already powerful Thermal Pak II coil
- Increases total coil surface area by 20%
- Features EVAPCO’s CrossCool Internal Tube Enhancement, increasing heat transfer
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Drift Eliminators
- Limits the drift rate to less than 0.001% of the recirculating water rate
- Reduces water loss during wet operation
- Constructed of an inert polyvinyl chloride (PVC)
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Superior Air Inlet Louver and Screen Design
- Constructed of an inert polyvinyl chloride (PVC)
- Two pass design that minimizes splash-out and the potential for algae formation inside the tower
- Framed in steel in easily removable sections
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Pressurized Water Distribution System
- EVAPCO's Evapjet spray nozzle remains clog free
- Enclosed and completely protected by the casing panels and drift eliminators
- Design eliminates biological growth and clogging
- Mounted in corrosion-free PVC water distribution pipes with threaded end caps
- Provides unparalleled fill coverage
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Redistribution Basin
- Ensures even water loading of the full footprint Sensi-Coil
- Enclosed and protected by air inlet louvers
- Functions as an effective debris screen
- Easily inspected with removal of air inlet louvers
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Stainless Steel Water Touch Basin
- Available in Type 304 or Type 316 Stainless Steel
- Includes the basin area, support columns, and louver frames
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Stainless Steel Casing & Fan Section
- Available in Type 304 or Type 316 Stainless Steel
- Includes entire upper section including fan guard
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Stainless Steel Sensi-Coil
- Superior corrosion resistance, ASME and CTI certified
- Available in Type 304 or Type 316 Stainless Steel
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Sound Sensitive Installations
- Super Low Sound Fan
- Low Sound Fan
- Water Silencers
- Discharge Attenuation
- Offset Sound Attenuation Walls
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FACTORY-MOUNTED Water Treatment Systems
- SmartShield solid chemical water treatment system
- Pulse-Pure CHEMICAL-FREE water treatment system
- NEW EVAPCO Water Saver
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NEW Stainless Steel Cold Water Basins Option
- Available in Type 304 or Type 316 Stainless Steel
- Includes cold water basin and intermediate redistribution basin
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NEW FM Approved Construction
- Factory Mutual Approval for FM Global requirements
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NEW Upgraded IBC Construction
- Meets seismic and wind loads in North America
- Available with 1.5 Importance Factor for critical facilities
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Maintenance Accessories
- External service platform
- Basin level platform
- Sloped ladder
- Hinged louver access door
- Motor davit with base
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