Safety Precautions - Mitsubishi Electric G-50A Instruction Book

1. Safety precautions

Before using the controller, read the Safety Precautions section carefully to ensure proper operation.
These safety precautions must be observed by anyone who operates the central controller at all times.
Keep this Instruction Book and Installation Manual for future reference. Make sure both this Instruction Book and the
Installation Manual are given to the next user.
Safety symbols used in this manual
This symbol indicates that failure to follow the instructions exactly as stated poses the risk of
WARNING
serious injury of death.
This symbol indicates that failure to follow the instructions exactly as stated poses the risk of
CAUTION
injury or damage to the controller.
G
Have the unit professionally installed.
Improper installation by an unqualified person may result in
a risk of electric shock or fire.
G
Make sure the controller is securely mounted so
that it will not fall.
G
Make sure that the controller is connected to a
properly rated power supply to avoid fire or
damage to the controller.
G
Do not remove the cover during operation.
Contact with electrically charged parts on the controller
cause skin burns or other types of injury.
G
If any abnormality is noticed (e.g., burning smell),
stop the operation, turn off the power supply, and
contact your dealer or technical representative
immediately.
Continuing the operation may result in damage to the
controller, electric shock, or fire.
G
Do not install the controller where there is a risk of
leakage of flammable gas.
If the leaked gas accumulates around the controller, it may
be ignited and result in an explosion.
G
Do not wet the controller.
Water may damage the controller and cause an electric shock.
G
To avoid the risk of electric shock or damage to the
controller, do not touch the switches with wet hands.
G
Do not use the controller for specialized applications.
This product is designed exclusively for use with the
MITSUBISHI ELECTRIC building air conditioning control
system. The use of this product with other air-conditioning
management systems or for other purposes may result in
malfunctions.
G
Do not spray insect sprays or sprays with
flammable propellants to the controller.
To avoid the risk of fire or explosion, do not place
flammable sprays near the controller or spray them directly
on the controller.
WARNING
G
Ask your dealer or an authorized technician to
move the controller.
Improper installation may result in electric shock or fire or
damage to the controller.
G
Controllers must be disposed of properly.
Contact your dealer for proper disposal procedures.
G
Do not attempt to modify or repair the controller.
Modification or improper repair may result in electric shock
or fire. Consult your dealer when repairs are necessary.
G
Stop the operation immediately and notify your
dealer if an error code is displayed and the controller
does not operate, or when any abnormality is
noticed.
Continuing the operation may result in damage to the
controller or fire.
CAUTION
G
Do not use the controller in an environment high in
oil, steam, or sulfuric gas.
These substances may have adverse effects on the
performance of the controller of damage its parts.
G
To avoid the risk of electric shock or damage to the
controller, do not press the switches with sharp
objects.
G
Operate the controller within the temperature range
specification.
The use of controller outside of its specification may result
in serious damage to the controller. Be sure to check the
temperature range specification in the Instruction Book.
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