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Pac-yt52cra; Safety Precautions - Mitsubishi Electric PAC-YT52CRA Instruction Manual

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Safety precautions

• Read the following safety precautions before using the controller.
• Observe these precautions carefully to ensure safety.
Indicates a risk of death or serious injury if you misuse the PAC-YT52CRA.
Indicates a risk of serious injury or structural damage if you misuse the


• After reading this manual, provide this manual to end user for future reference.
• Keep this manual for future reference and refer to it as necessary. This manual should be made
available to those who repair or relocate the controller. Make sure that the manual is forwarded to
future end users.
General precautions
Do not install the unit in a place where large amounts of
oil, steam, organic solvents, or corrosive gases, such
as sulfuric gas, are present or where acidic/alkaline
solutions or sprays are used frequently. These
substances can compromise the performance of the
unit or cause certain components of the unit to corrode,
which can result in electric shock, malfunctions,
smoke, or fire.
To reduce the risk of shorting, current leakage, electric
shock, malfunctions, smoke, or fire, do not wash the
controller with water or any other liquid.
To reduce the risk of electric shock, malfunctions,
smoke or fire, do not operate the switches/buttons or
touch other electrical parts with wet hands.
When alcohol sterilization is performed, ventilate the
air to remove the gas.
To reduce the risk of damage to the controller, do not
directly spray insecticide or other flammable sprays on
the controller.
To reduce the risk of electric shock or malfunctions, do
not touch the touch panel, switches, or buttons with a
pointy or sharp object.
Precautions for moving or repairing the controller
The controller should be repaired or moved only by
qualified personnel.
Do not disassemble or modify the controller.
Improper installation or repair may cause injury, electric
shock, or fire.
To reduce the risk of injury or electric shock, stop the
operation and switch off the power supply before
cleaning, maintaining, or inspecting the controller.
To reduce the risk of injury or electric shock, before
spraying a chemical around the controller, stop the
operation and cover the controller.
If any abnormality (e.g., burning smell) is noticed, stop
the operation, turn off the power switch, and consult
your dealer. Continuing the operation may result in
electric shock, malfunctions, or fire.
Properly install all required covers to keep moisture
and dust out of the controller. Dust accumulation and
water can cause electric shock, smoke, or fire.
To reduce the risk of injury and electric shock, avoid
contact with sharp edges of certain parts.
To reduce the risk of injury, wear protective gear when
working on the controller.
Consult your dealer for the proper disposal of the
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