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Accu EQ Series User Manual

Accu EQ Series
29 pages
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Copyright Thermal Care Inc. 2010
EQ Series
Portable Chillers
Installation, Operation and Maintenance Manual

Table of Contents

Questions and Answers:

Accu EQ Series Specifications

General IconGeneral
BrandAccu
ModelEQ Series
CategoryChiller
LanguageEnglish

Summary

Installation

Chilled Water Lines

Start-Up

Startup Procedure - Power and Connections

Verifying power, voltage, and phase sequence before operation.

Controller Operation

Microprocessor Control Fault Logic

Table detailing fault indicators, compressor/pump shutdown, and alarm activation.

Refrigerant Pressure Faults

Handling high and low refrigerant pressure faults and their resets.

Freezestat and Low Oil Pressure Faults

Managing freezestat and low oil pressure faults and their resets.

Chiller Operation

Chiller Construction

Refrigerant Pressure Safety Switches

Function and reset for high and low refrigerant pressure safety switches.

Freezestat Safety Control

Operation and reset of the freezestat for evaporator freeze protection.

Preventive Maintenance

Preventive Maintenance Checklist

Troubleshooting

Compressor and Pump Start Issues

Diagnosing why the compressor or pump will not start.

Refrigerant Pressure Problems

Troubleshooting low and high refrigerant pressure conditions.

Freezestat and Pump Pressure Issues

Resolving freezestat faults and pump discharge pressure problems.

Temperature Control and Cooling Issues

Diagnosing erratic temperatures and insufficient cooling.