Ice ECUA90 User Manual

3
ECU 04/2015 rev.3
WARNING
• If the information in these instructions are not followed exactly, a re 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 qualied installer or service agency in
accordance with these instructions and in compliance with all codes and requirements
of authorities having jurisdiction.
INSTALLER: Afx 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 Air Conditioner Description & Specications
1.1 General Description .................................................................................................................................5
1.2 Model Identication .................................................................................................................................5
1.3 Serial Number Date Code ........................................................................................................................5
1.4 Air Flow, Weights and Filter Sizes ...........................................................................................................6
1.5 General Operation ....................................................................................................................................6
1.6 Electronic Control Board Mode of Operation ..........................................................................................7
1.7 Optional Controls and Packages ..............................................................................................................8
1.8 Electrical Operation .................................................................................................................................9
Chapter 2 Installation
2.1 Equipment Inspection .............................................................................................................................12
2.2 Installation Requirements .......................................................................................................................12
2.3 Installation Materials ............................................................................................................................13
2.4 Porting and Duct Work ..........................................................................................................................15
2.5 Top Flange Installation ..........................................................................................................................15
2.6 Installing the Lifting Brackets ................................................................................................................16
2.7 Mounting the Unit .................................................................................................................................16
2.8 Electrical Connections ...........................................................................................................................17
Chapter 3 Start-Up
3.1 Check-Out of Cooling Cycle .................................................................................................................21
3.2 Check-Out of Heating Cycle ..................................................................................................................21
Chapter 4 Troubleshooting
4.1 Overview ................................................................................................................................................22
4.2 Failure Symptoms Guide ........................................................................................................................22
4.3 Compressor Troubleshooting .................................................................................................................23
4.4 Control Board Diagnosis ........................................................................................................................24

Ice ECUA90 Specifications

General

Brand	Ice
Model	ECUA90
Category	Air Conditioner
Language	English