Safety Precautions - Omron K8AK-TH Manual

K8AK-TH

Safety Precautions

Be sure to read the precautions for all models in the website at the following URL: http://www.ia.omron.com/.
Warning Indications
Indicates a potentially hazardous situation
CAUTION
which, if not avoided, may result in minor or
moderate injury or in property damage.
Precautions for Safe Supplementary comments on what to do or
Use
avoid doing, to use the product safely.
Precautions for Supplementary comments on what to do or
Correct Use
avoid doing, to prevent failure to operate,
malfunction, or undesirable effects on
product performance.
Meaning of Product Safety Symbols
Used to warn of the risk of electric shock under
specific conditions.
Used for general prohibitions for which there is no
specific symbol.
Used to indicate prohibition when there is a risk of
minor injury from electrical shock or other source if
the product is disassembled.
Used for general mandatory action precautions for
which there is no specified symbol.
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CAUTION
Electrical shock may cause minor injury.
Do not touch terminals while electricity is being supplied.
There is a risk of minor electrical shock, fire, or device failure.
Do not allow any pieces of metal, conductors, or cutting chips
that occur during the installation process to enter the product.
Explosions may cause minor injuries. Do not use the product
in locations with inflammable or explosive gases.
There is a risk of minor electrical shock, fire, or device failure.
Do not disassemble, modify, repair, or touch the inside of the
product.
Loose screws may cause fires. Tighten terminal screws to the
specified torque of 0.49 to 0.59 N·m.
Use of excessive torque may damage the terminal screws.
Tighten terminal screws to the specified torque of 0.49 to
0.59 N·m.
If the setting does not match the element to be monitored, the
product may behave unexpectedly and damage the machine
or cause accidents. Set the Temperature Monitoring Relay as
described below.
• Adjust each set value on the Temperature Monitoring Relay
correctly for the element that is to be monitored.
• Turn OFF the power to the Temperature Monitoring
Relay before you change the switch settings on the side
panel. The switch settings made on the side panel take
effect when the power is turned ON.
If the Temperature Monitoring Relay fails, monitoring and
alarm outputs may fail to operate. This may result in physical
damage to the facilities, equipment, or other devices that are
connected to it. To reduce this risk, inspect the product
regularly. To make the product fail-safe, take alternative safety
measures, such as the installation of monitoring devices on a
separate circuit.
Use of the product beyond its life may result in contact welding
or burning. Make sure to consider the actual operating
conditions and use the product within its rated load and
electrical life count. The life of the output relay varies
significantly with the switching capacity and switching
conditions.