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EVAPCO ATC-E User Manual

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Operation and
Maintenance Instructions
For EVAPCO Closed Circuit Coolers and
Evaporative condensers
for LIFE
Internat iona l In stitute of
Ammo nia Refrigeration
www.iiar.org
Member of
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Mark owned by the Cooling Technology Institute

Table of Contents

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Questions and Answers:

EVAPCO ATC-E Specifications

General IconGeneral
BrandEVAPCO
ModelATC-E
CategoryAccessories
LanguageEnglish

Summary

Introduction and Safety

Safety Precautions

Essential safety guidelines for operating and maintaining the equipment, including lockout procedures.

Maintenance Schedules and Procedures

Recommended Minimum Maintenance Schedule

Routine maintenance tasks and their recommended frequencies for optimal unit performance.

System Operation Modes

Cold Weather Operation

Guidelines and considerations for operating units in freezing temperatures to prevent damage.

Fan System Capacity Control

Water Chemistry and Treatment

Control of Biological Contamination

Managing biological risks like Legionella in water systems.

Cold Weather Operation and Protection

Freeze Protection of Closed Circuit Cooler Coils

Methods to prevent freezing of heat exchanger coils in closed circuit coolers.

Unit Accessories and Capacity Control

Capacity Control Methods for Cold Weather

Techniques for managing unit capacity in cold ambient conditions, including VFDs and two-speed motors.

Ice Management

Strategies for controlling and minimizing ice formation during cold weather operation.

Troubleshooting

Fan Motor Overamping and Noise

Addresses fan motor over-current issues, unusual noise, and blade rubbing.

Pump Motor Problems

Diagnoses issues like pump over-amping, makeup valve malfunction, and overflow.

Water Level and Overflow Issues

Troubleshoots basin overflowing, low pan levels, and overflow connection problems.

Electric Water Level Control Malfunction

Steps for diagnosing and resolving issues with electric water level control systems.

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