Mitsubishi Electric PAC-YT52CRA [2/24] General precautions

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Safety precautions

• Read the following safety precautions before using the controller.

• Observe these precautions carefully to ensure safety.

• 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.

WARNING

CAUTION

WARNING

Indicates a risk of death or serious injury if you misuse the PAC-YT52CRA.

CAUTION

Indicates a risk of serious injury or structural damage if you misuse the

PAC-YT52CRA.

General precautions

Precautions for moving or repairing the controller

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 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 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.

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

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.

WT06591X01.book Page 2 Tuesday, April 17, 2012 3:29 PM

Mitsubishi Electric PAC-YT52CRA [2/24] General precautions

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