rotork YT-870 Series, Руководство по эксплуатации продукта

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Limit Switch Box
YT-870 / 875 Series Product Manual
Ver. 1.24
16
4
Connections - Power
4.1
Safety
When installing a unit, please ensure to read and follow safety instructions.
➢ There are two conduit entries on the product. See “2.4 Product Code” for conduit entry threads.
➢ When installing in hazardous and explosive gas area, conduit tube or pressure-proof packing
union must be used. The compound charging box should be the flameproof type and must be
sealed completely.
➢ Before connecting terminal, ensure that the power is off completely. Do not open the cover when
the power is still alive.
➢ When wiring, be careful not to apply excessive force to pull the wires to prevent from being peeled
or damaged.
➢ In order to protect the product, it is necessary to make ground to inside and outside of the terminal
➢ Unused conduit openings must be protected using explosion-proof blind plugs.
4.2
Mechanical Type (2 x SPDT)