Evapco Eco-Cooler Overview

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eco-Coolers

Environmentally Conscious Operation

Featuring Water & Energy Conserving Technology

The NEW Family of Closed Circuit Coolers

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eco-ATW

Ellipti-fin™ Spiral Fin Coil!

NEW!

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New Ellipti-fin™ Coil Technology

• Spiral Fins Applied to the Thermal-Pak Coil!

• All Rows are Finned!

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New Ellipti-fin™ Coil Technology

Increases Evaporative Capacity In the Wet Mode…Energy Savings!

• 3 Fins Per Inch• Increased

Evaporative Capacity

• Same Footprint• Less Horsepower• Increased Dry

Capacity

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eco-ATW

Two Modes of Operation:

Evaporative Mode

(Latent Heat Transfer)

Energy Savings

Dry Mode

(Sensible Heat Transfer)Water Savings

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Wet Operation: Dry Operation:

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eco-ATWE

Water Efficient Mode (Combined Evaporative and Dry Mode)

Third Mode of Operation:

• Two Pumps• Two Water Distribution

Systems• Two Ellipti-fin™ Coils• Air Tight Partition

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Hybrid Operation:

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eco-ATWE

• Dedicated Pump and Water

Distribution System

per Coil

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eco-ATWE

• Air Tight Partition

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eco-ATWE

The Ideal Solution for:

• Lower Energy Consumption

• Reduced Water Usage

• High Dry Bulb Switchover Points

• Built in Redundancy

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Water & Energy Conservation

Ensures Predicted Water and Energy Usage

• The NEW ® Water and Energy Conservation Control System is Available with the eco-ATW!

• The NEW ® Water and Energy Conservation Control System is Standard on eco-ATWE!

• Can Be Programmed With Energy Savings or Water Savings Priority

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• A NEMA 4 Painted Steel Enclosure

• Single Point Power with Main Disconnect

• Transformer for Low Voltage

• UL & cUL Approval

• Climate Controlled

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• 10” Touch Screen with Color Display

• Weather Enclosure for HMI

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• Allen-Bradley PLC

• One VFD per Fan Motor

• One Starter per Spray Pump Motor

• Four Temperature Sensors: – 1) Fluid In– 2) Fluid Out– 3) Ambient Dry Bulb Temperature– 4) Basin Water Temperature

• Interface to BAS via MODBUS

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• Manual Bypass Connectors Around VFD

• Heater Control Package w/ Contactor and Overload Protection and Fusing

• 5-Probe Electronic Water Level Control Package

• High Water Level Alarm Contact(s)

• Low Water Level Alarm Contact(s)

• Fan Motor: Space Heater

Standard Features Additional Features• Discharge Hood Damper

Actuator

• Vibration Switch

• Pulse~Pure


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• Since the Sage panel uses a PLC, it can adjust the various mode of operation switch points as the system load changes throughout the day by measuring and analyzing the following data points:

• Inlet Temperature, Outlet Temperature, Dry Bulb Temperature, VFD Speed, Fan RPM, Pump Status – On/Off.


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– Manually Enable De-Icing Sequence– Automatic De-Icing Sequence

• Program Temperature Set points• Program Duration for Sequence• Set Time Requirement Between De-Icing Sequences of

Operation


De-Icing Sequence

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• Manual Operation of Pumps and Fans

• Ability to Enable or Disable Make-Up Valve for Winter Operation

• Power Failure Recovery Timer With The Ability To Restart At Previous Operating Set Points

• Ability to Perform Bump Test

• Visual Status Display of All Unit Components and Accessories

• Contacts and Counter With an Analog Signal for (Customer Supplied) Make-Up and Drain Water Meter(s)

• Contacts and Analog Signal for (customer supplied) Conductivity Meter

• Backup with User Settings and Factory Settings

• Pump Run Time Recorder

• Fan Motor Run Time Recorder

Additional Programming Benefits


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• Heater

• Intake/Exhaust Fan

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Performance

• Constant Load (Minneapolis, MN)• 650 gpm (water) 95°F / 85°F / 78°F EWB• Reduce Pump HP vs. ESWA• Reduced Total HP and Footprint vs. ATWB

eco-ATW

12-6L12-Zeco-ATWE

12-6L12-Z ESWA 144-34L ATWB 17-5K12-Z

Fan Motor HP 25 25 25 (2) 20

Spray Pump HP 5 (2) 2 10 (2) 3

Box Size (ft) 12x12 12x12 12x12 17x12

Weight (lbs.) 37,530 38,115 24,880 39,700

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Load Profile – Commercial HVAC

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Eco-ATWE (Water Savings Priority)

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UnitTotal Pump

(HP)Total Fan

(HP) Footprint HeightDrybulb

SwitchoverWater Usage

(gal)% Water Savings

Energy Usage (KW-hr)

% Energy Savings

ESWA 102-46K 7.5 20 8.5'x12' 17' 4" N/A 1,122,902 N/A 56,160 N/AATWB 17-3J12-Z 6 30 17'x12' 11' 11-3/4" 2.7 830,902 26% 31,253 44%eco-ATW 10-3J18 7.5 15 10'x18' 13' 5-7/8" 33.5 520,858 54% 19,877 65%

eco-ATWE 10-3J18 6 15 10'x18' 13' 5-7/8" 33.5 407,314 64% 17,967 68%

Buffalo630 GPM (30%PG), 95/85/75 F

Performance

• Pump hp Savings

• Fan hp Savings

• Footprint Savings

• Height Savings

• Higher Dry Bulb Switchover

• Water Usage Savings

• Energy Usage Savings