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Safety precautions, Before installation and electric work, Symbols used in the text – MITSUBISHI ELECTRIC P500YMF-C User Manual

Page 4: Symbols used in the illustrations

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Safety precautions

Before installation and electric work

Before installing the unit, make sure you read all

the “Safety precautions”.

The “Safety precautions” provide very important

points regarding safety. Make sure you follow

them.

This equipment may not be applicable to

EN61000-3-2: 1995 and EN61000-3-3: 1995.

This equipment may have an adverse effect on

equipment on the same electrical supply system.

Please report to or take consent by the supply

authority before connection to the system.

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.

Symbols used in the illustrations

: Indicates an action that must be avoided.

: Indicates that important instructions must be followed.

: Indicates a part which must be grounded.

: Beware of electric shock (This symbol is displayed on the

main unit label.)

Warning:

Carefully read the labels affixed to the main unit.

Warning:

• Use the specified cables for wiring. Make the connections

securely so that the outside force of the cable is not
applied to the terminals.
- Inadequate connection and fastening may generate heat and

cause a fire.

• Have all electric work done by a licensed electrician

according to “Electric Facility Engineering Standard” and
“Interior Wire Regulations”and the instructions given in
this manual and always use a special circuit.
- If the power source capacity is inadequate or electric work is

performed improperly, electric shock and fire may result.

• Securely install the cover of control box and the panel.

- If the cover and panel are not installed properly, dust or water

may enter the outdoor unit and fire or electric shock may
result.

• After completing service work, make sure that refrigerant

gas is not leaking.
- If the refrigerant gas leaks and is exposed to a fan heater,

stove, oven, or other heat source, it may generate noxious
gases.

• Do not reconstruct or change the settings of the protection

devices.
- If the pressure switch, thermal switch, or other protection

device is shorted and operated forcibly, or parts other than
those specified by Mitsubishi Electric are used, fire or

explosion may result.