5
Before Using this Unit
Requirements for Installation
3. 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 39 "List of Dangerous
Substances".)
4. Do not modify
Modification of this unit is strictly prohibited.
This could cause a failure.
5. Installation on horizontal surface
Set this unit on a flat, level surface or floor. Not
setting this unit with its legs touching the surface or
floor evenly could cause vibration or noise, or
cause unexpected trouble or malfunction.
Modification
Flammable Gas
Explosive Gas