3
so as to ensure the cable’s rubber jacket is in the hole of the “sealing plug”.
2.2.7 Screw the gland nut to compress the sealing rubber plug and make it combine firmly with cable’s
rubber jacket. Connect the grounding core wire of the cable with the inner grounding screw of the wiring
box.
2.2.8 Put on the wiring box case.
2.2.9 Connect the actuator’s external ground, and it should be reliable and safe.
2.2.10 The design service life of actuator is 8000 times.
2.2.11 According to the regulations on the recycling and treatment of waste electrical and electronic
products, please comply with the relevant national regulations and properly dispose of waste products. Or
call our after-sales service department for recycling. Tel: 022-26740033.
2.3 Cable shall be correctly connected to avoid the rain leaking into the electric
actuator
(the first two connection patterns are right in the following picture.)
3.
Product adjusting
★
The torque mechanism has been tested and set up before delivered from the factory. It complies with the
maximum torque value written on the nameplate. User does not need to readjust. (see Fig.2) Besides, fasten
two mechanical limit screws on the main case body. It is better not to unscrew the mechanical limit screws
if there is no special condition.
★
Potentiometer’s gear and potentiometer shall be loosened in case of any damage to the potentiometer.
★
The cam on the limit control mechanism is Closing Cam. OPEN and CLOSE have been marked on the
torque control mechanism.
3.1 The adjustment for the limit control mechanism (including adjustment for positioner
and potentiometer.)
A. Make the valve at the middle position.
B. Start the motor and then make sure if the rotation direction of the valve is right while it is of
electric-driven. If wrong, change power phase sequence.
