3 PB
The information in this manual is intended for use by a qualied technician who is familiar with the safety procedures
required for installation and repair, and who is equipped with the proper tools and test instruments required to
service this product.
Installation or repairs made by unqualied persons can result in subjecting the unqualied person making such
repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical shock
which can be serious or even fatal.
Safety warnings have been placed throughout this manual to alert you to potential hazards that may
be encountered. If you install or perform service on equipment, it is your responsibility to read and
obey these warnings to guard against any bodily injury or property damage which may result to you
or others.
This service manual is designed to be used in conjunction with the installation and operation
manuals provided with each air conditioning system.
This service manual was written to assist the professional service technician to quickly and
accurately diagnose and repair malfunctions.
Installation procedures are not given in this manual. They are given in the Installation/Operation
manual which can be aquired on the Friedrich website. Click the Link or scan the QR code to be
directed to the Profeesional page where you can locate our technical literature.
IMPORTANT: It will be necessary for you to accurately identify the unit you are servicing, so you can
be certain of a proper diagnosis and repair.
Important safety information
INTRODUCTION
This symbol indicates that this appliance uses a flammable refrigerant. If the refrigerant is leaked and is exposed to an
external ignition source, there is a risk of fire.
This symbol indicates that the Operation Manual should be read carefully.
This symbol indicates that service personnel should be handling this equipment with reference to the installation manual.
This symbol indicates that information is available such as the Installation and Operation manual, or the Service Manual.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.
Indicates a hazard which, if not avoided, can result in severe personal injury or death and damage to product or other
property.
Indicates a hazard which, if not avoided, can result in personal injury and damage to product or other property.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what will happen if the instructions are not followed.
NOTICE
CAUTION
WARNING
All safety messages will follow the safety alert symbol with the word “WARNING” or “CAUTION”. These words mean:
This is a safety Alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others.
Indicates property damage can occur if instructions are not followed.
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