Mitsubishi Electric LE7-40GU Instruction Manual page 4

[INSTALLATION PRECAUTIONS]
WARNING
● Make sure to cut off all phases of the power supply externally before attempting installation or wiring
work. Failure to do so may cause electric shock or damage to the product.
● Use the product within the generic environment specifications described in LE7-40GU APPLICATION
MANUAL (SH-081822ENG). Never use the product in areas with excessive dust, oily smoke,
conductive dusts, corrosive gas (salt air, Cl
or expose it to high temperature, condensation, or rain and wind. If the product is used in such
conditions, electric shock, fire, malfunctions, deterioration or damage may occur.
[INSTALLATION PRECAUTIONS]
CAUTION
● Do not touch the conductive parts of the product directly. Doing so may cause device failures or
malfunctions.
● Always wear an anti-static wristband and discharge static electricity from the body before handling the
extension option. Failure to do so may cause the extension option to fail or malfunction.
● When drilling screw holes or wiring, make sure that cutting and wiring debris do not enter the
ventilation slits of the tension controller. Failure to do so may cause fire, equipment failures or
malfunctions.
● Install the product on a flat surface. If the mounting surface is rough, undue force will be applied to the
PC board, thereby causing nonconformities.
● Install the product securely using mounting screws or fixtures.
● Connect the extension options securely to their designated connectors. Loose connections may
cause malfunctions.
● Make sure to affix the extension option with tapping screws. Tightening torque should follow the
specifications in the manual. If the screws are tightened outside of the specified torque range, poor
connections may cause malfunctions.
● Work carefully when using a screwdriver such as installation of the product. Failure to do so may
cause damage to the product or accidents.
● Connect the input/output cables and power cable securely to their designated connectors. Loose
connections may cause malfunctions.
● Turn off the power to the tension controller before attaching or detaching the optional devices. Failure
to do so may cause equipment failures or malfunctions.
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