6
YT-3400/3450 series
1.3
Explosion Proof Warning
Please ensure the unit is being used and installed within the explosion proof certified
environment.
YT-3400/3450 series are Explosion proof construction for internal pressure.
For detail information, refer to “2.6 Explosion Proof Certifications”
Explosion proof type of cables and gaskets should be used, when explosion gases are
present at the installation site.
Keep cover tight while circuits are alive.
Power should be turned off completely when opening product
’s cover. When opening
the cover, ensure that there is no power remaining in any electrical parts nearby.
YT-3400/3450 series have 2 ports for power connection. Explosion proof type wires
and packing should be used. Blind plug is required when any port is not being used.
Cable rug with surface area of more than 0.195mm
2
with M4 spring washer should be
used to connect the power.
For external ground terminal, cable rug with surface area of more than 5.5mm
2
should
be used.
Risk of explosion due to electro-static charge. Static electricity charge may develop
when cleaning the product with a dry cloth. It is imperative to avoid static electricity
charge in the hazardous environment.