Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
Meanings of symbols used in this manual are as shown below.
Installation
Do not use damaged power
cords, plugs, or a loose socket.
• There is risk of fire or electric
shock.
Do not modify or extend the
power cord.
• There is risk of fire or electric
shock.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
Be sure to follow the instruction.
Always use the power plug
and socket with the ground
terminal.
• There is risk of electric shock.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire, electric shock,
explosion or injury.
Be sure not to do.
Install the panel and the cover
of control box securely.
• There is risk of fire or electric
shock.
Be cautious when unpacking
and installing the product.
• Shape edges could cause injury.
Be especially careful of the sharp
edges.
Safety Precautions
Service Manual 5