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 43 "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