
5
Before Using this unit
Requirements for Installation
4. Do not use this unit in an area where there is flammable or explosive gas
•
Never use this unit in an area where there is flammable or explosive gas. This unit is not
explosion-proof. An arc may be generated when the power switch is turned ON or OFF, and
fire/explosion may result. (Refer to page 61 "List of Dangerous Substances".)
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5. Do not modify
6. Installation on horizontal surface
•
Modification of this unit is strictly
prohibited. This could cause a failure.
•
Set this unit to the flattest place. Setting
this unit on rough or slope place could
cause the vibration or noise, or cause the
unexpectible trouble or malfunction.
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