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Safety Precautions
This section provides precautions to enable you to use the product safely and correctly and to
prevent injury and damage. The terms of DANGER, WARNING, and CAUTION indicate the
degree of imminency and hazardous situation. Read the precautions carefully as it contains
important safety messages.
WARNING
Electric shock
Make sure that no electric power is supplied to the instrument before starting this work.
Do not turn on the power until your work is completed.
Terminal
is a protective grounding terminal. Be sure to perform grounding to prevent electric
shock. (D type grounding)
Electric shock
Make sure to put the terminal covers to prevent electric shock.
Make sure that POWER switch is turned OFF before replacing the lamp, and that it is cool enough for
replacement. (It takes about 10 minutes for the lamp to cool off after POWER switch is turned OFF.)
CAUTION
Do not operate the keys or push the panel surface with a sharp object, such as the fingernail.
To connect a load beyond the contact capacity or use inductive load (such as a motor, or pump), be
sure to use a power relay whose rating is higher than the load.
When the instrument is turned off, the C-NC contact is shorted. Be careful when connecting a load.
Install an arrester at the out put and receiving instrument sides of this instrument when there is a dan-
ger of lightening striking.
Input a non-voltage contact signal for the contact. Do not input a signal that has voltage.
Do not touch the glass portion of the UV lamp with bare hands.
Wipe any dirt off the surface with alcohol.