User guide

5
Before Using this unit
Requirements for Installation
3. Do not use this unit in an area where there is flammable or explosive gas
(Refer to page 45 "List of Dangerous Substances".)
• 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.
4. Do not modify 5. 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.
Modification