rotork YT-870 Series, Руководство по эксплуатации продукта

Страница: 4 / 20

Limit Switch Box
YT-870 / 875 Series Product Manual
Ver. 1.24
4
1.3
Explosion Proof Warning
Please ensure the unit is being used and installed in conformity with local, regional, and national
explosion proof within the explosion proof certified environment.
➢ YT-870 / 875 is Explosion proof construction for internal pressure.
For detail information, refer to “2.6 Certifications”
➢ Explosion proof type of cables and gaskets should be used, when explosion gases are present at
the installation site. Please make sure that the sealing has been done completely.
➢ 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.
➢ This product has 2 ports for power connection. Please make sure that Blind plug is tightened to
the port when any port is not being used.
➢ 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 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. If cleaning the surface of the product is needed, must use wet clothes.
➢ Special conditions for safe use :
The apparatus can be used in a temperature range between -20 °C to +60 °C.
Repairs of the flameproof joints must be made in compliance with the structural specifications
provided by the manufacturer. Repairs must be made on the basis of values specified in tables 1
and 2 of EN 60079-1.