rotork YT-1200 Series, Руководство по эксплуатации продукта

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Pneumatic Positioner
YT-1200 series Product Manual
Ver. 1.18
5
1.3
Explosion Proof Warning (Only for external explosion proof product, not for positioner)
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.
➢ If wires are connected to external explosion-proof products installed on top of the positioner, the
power must be completely disconnected before opening the cover. When opening the cover, make
sure to check that there is no current or voltage on any part of the product. If any doubts, please
allow sufficient time for the remaining current and voltage to disappear completely.
➢ External explosion proof product 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 0.195 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.