Quarter -Turn Electric Valve Actuator【OM Series】 Sun Yeh Ele. Ind. Co., Ltd. | 2021.11
4.3 Wiring Instructions
Turn power off before making the electrical connection!
Connect the ground wire to PE point placed on middle metal plate inside the electric
actuator (a green screw).
Each actuator is attached with a black water-proof plug and a temporary red dust-proof plug
to conduit entries.
Use correct size of fittings so as to not damage the threads.
Verify the supply power is in accordance with the data on the nameplate to prevent a short
circuit and an electrical shock.
Do not apply power to actuator before wiring, otherwise it can cause an electrical
shock or damage components of the actuator.
Use proper sealant to seal the conduit connection after wiring procedure to prevent dust or
water from entering the actuator.
The red plastic dust-proof plug is not meant for long-term use. Replace it with
suitable water-proof connector to ensure the enclosure protection rating.
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