5. Safety precautions
• Before installing the unit, make sure you read all the safety precautions.
• Ensure all precautions are followed.
• Carefully read the labels affixed to the main unit.
Symbols used in the text
WARNING
Describes precautions that should be observed to prevent danger of injury or death to the
user.
CAUTION
Describes precautions that should be observed to prevent damage to the unit.
5.1. Before installation and electric work
IMPORTANT
The Environmental Protection Agency of the United States (EPA) and Canadian Provincial
environmental agencies have issued various regulations regarding the introduction and
disposal of refrigerants. Failure to follow these regulations may harm the environment and
can lead to the imposition of substantial fines.
NOTE
The installation of the unit is regulated by the mechanical code adopted by the authority
having jurisdiction.
© 2022 Mitsubishi Electric US, Inc.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
14
Specifications are subject to change without notice.