Electro-Pneumatic Positioner
YT-1000 / 1050 series
Product Manual
Ver. 1.30
6
1.3
Explosion Proof Warning (Only for explosion proof type positioners)
Please ensure the unit is being used and installed in conformity with local, regional, and national
explosion proof environment.
➢
Refer to “2.6 Certifications”
➢
Explosion proof type of cables and gaskets should be used, when explosion gases are present at
the installation site.
➢
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.
➢
Flameproof enclosure type positioner has 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.
➢
Ring terminal with surface area of more than 1.25 mm
2
with M4 spring washer should be used to
connect the power.
➢
For external ground terminal, ring terminal with surface area of more than 5.5 mm
2
should be used.
➢
There is risk of explosion due to static electricity 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. If cleaning the surface of the product is needed, must use wet clothes.
➢
To meet explosion-proof marking information and ingress protection of IP66, use certified Ex-cable
glands and Ex-plugs.
➢
If you need additional information about the values of the flameproof joints, contact Rotork YTC
Limited directly.
