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TABLE OF CONTENTS
Introduction / Typical Unit Components ....................................................................................................................................... 3
Warranty ....................................................................................................................................................................................... 4
Routine Maintenance ................................................................................................................................................................... 5
Unit Identifi cation / Nomenclature ................................................................................................................................................ 6
Performance Data .........................................................................................................................................................................7
Electrical Data .............................................................................................................................................................................. 8
Functional Component Defi nitions .............................................................................................................................................. 9
Electronic Controls .................................................................................................................................................................. 9-10
Refrigeration Sequence of Operation .........................................................................................................................................11
Sealed Refrigeration Repairs .................................................................................................................................................11-12
Refrigerant Charging ............................................................................................................................................................. 13-15
Troubleshooting .....................................................................................................................................................................16-23
Wiring Diagrams ....................................................................................................................................................................24-35
The information contained in this manual is intended for use by a qualifi ed service technician who is familiar
with the safety procedures required in installation and repair, and who is equipped with the proper tools and test
instruments.
Installation or repairs made by unqualifi ed persons can result in hazards subjecting the unqualifi ed person making
such repairs to the risk of injury or electrical shock which can be serious or even fatal not only to them, but also
to persons being served by the equipment.
If you install or perform service on equipment, you must assume responsibility for any bodily injury or property
damage which may result to you or others. Friedrich Air Conditioning Company will not be responsible for any
injury or property damage arising from improper installation, service, and/or service procedures.