Table Of Contents - Industrial Climate Engineering MiniPac ECUA06ACA A2 Series Operation And Installation Manual

• If the information in these instructions are not followed exactly, a fire may result
causing property damage, personal injury or loss of life.
• Read all instructions carefully prior to beginning the installation. Do not begin
installation if you do not understand any of the instructions.
• Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury or loss of life.
• Installation and service must be performed by a qualified installer or service agency in
accordance with these instructions and in compliance with all codes and requirements
of authorities having jurisdiction.
INSTALLER: Affix the instructions on the inside of the building adjacent to the
thermostat.
END USER: Retain these instructions for future reference.

Table of Contents

Chapter 1 Description & Specifications
1.1 General Description .................................................................................................................................4
1.2 Function/Description of Major Refrigeration Components ....................................................................4
1.3 Function/Description of Major Control Board Components ...................................................................6
1.4 Electronic Control Board Mode of Operation ..........................................................................................7
1.5 Installation ................................................................................................................................................9
1.6 Pre-Installation Testing ............................................................................................................................9
1.7 Mounting the ECU ...................................................................................................................................9
1.8 Start-up and Check Out ..........................................................................................................................10
1.9 Ratings, Wiring and Identification .........................................................................................................11
1.10 Internal Thermostat Operating Instructions ...........................................................................................15
Chapter 2 Troubleshooting
2.1 Overview ................................................................................................................................................21
2.2 Failure Symptoms Guide ........................................................................................................................21
2.3 Compressor Troubleshooting .................................................................................................................23
2.4 Control Board Diagnosis ........................................................................................................................23
Chapter 3 Maintenance
3.1 Scheduled Maintenance .........................................................................................................................24
Chapter 4 Warranty
4.1 Limited Warranty ...................................................................................................................................25
WARNING
3
ECUA06 7/2014 new