4 PB
Important Safety Information
INTRODUCTION
The information in this manual is intended for use by a qualified 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 unqualified persons can result in subjecting the unqualified 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.
Maintenance is the responsibility of the owner. Failure to properly maintain or repair equipment may result in personal injury and/or various types of
property damage (fire, flood, etc.).
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.
Due to continuing research in new energy-saving technology, all information in this manual is subject to
change without notice.
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 acquired on the Friedrich website. Click the Link or scan the QR code to be directed to the Professional page
where you can locate our technical literature.
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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