Table of Contents
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• 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 Air Conditioner Description & Specifications
1.1
General Description .................................................................................................................................5
1.2
Model Identification .................................................................................................................................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
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
3.1
Check-Out of Cooling Cycle .................................................................................................................21
3.2
Check-Out of Heating Cycle ..................................................................................................................21
4.1
Overview ................................................................................................................................................22
4.2
Failure Symptoms Guide ........................................................................................................................22
4.3
Compressor Troubleshooting .................................................................................................................23
4.4
Control Board Diagnosis ........................................................................................................................24
WARNING
3
ECU 04/2015 rev.3
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Table of Contents
Troubleshooting
