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4.2 Notice for usage and maintenance:
4.2.1 Power must be cut off when actuator’s any cover is open.(please see the warning plate: “Forbid to
open the box cover when the power is on.”)
4.2.2 Forbid to hit the openness window by using hard materials.
4.2.3 Keep the nameplate and warning plate being fixed on actuator and the words on them should be
recognized.
4.2.4 Don’t open the electric box cover outdoors in rainy day or windy day.
4.2.5 The product’s explosion-proof cover cannot be knocked or scratched during maintenance or
debugging.
4.2.6 Apply anti-rust painting 204-1 after debugging or maintenance and before assembling.
4.2.7 Please notify the company to change the broken explosion-proof elements. The products cannot be
powered on until it is renewed with qualified element.
4.2.8 Fasten the screws on the control box cover and wiring box cover after product debugging . After some
strong vibration, please make regular check to make sure whether it is reliable. Sealing structure cannot be
damaged at the same time. Tightness should be confirmed.
4.2.9 O-ring shall be kept properly. If damaged, change for a new one as soon as possible.
4.2.10 External grounding shall be safe and sound.
4.2.11 Connect the actuator’s external ground, and it should be reliable and safe.
4.3 Notice for the electric schematic diagram and electrical wiring
Besides the Manual Operation, a copy of electric schematic diagram has been provided. User shall
strictly follow the terminal diagram while wiring. Wiring lug shall be applied. The wiring lug shall not
exposed or loosened. Uplift the plastic jacket of the wiring lug(same direction ) to make sure an appropriate
leakage distance. Any electric conductor cannot be left in the wiring case.
5. Comprehensive test and notice
5.1 Comprehensive test
5.1.1 When manually operate the valve for one travel, check if the pointer and stroke transmission work
well and also check the performance of manual operation.
5.1.2 Electrically operate the valve to the fully-closing position. The limit control mechanism shall be
sensitive. The Close Indicator will light up and pointer will points to “0” at that time.
5.1.3 Electrically operate the valve to the fully-open position. The limit control mechanism shall be
sensitive and is able to open the valve. The Open Indicator will light up and pointer points to “100”at that
time.
5.2 Notice
5.2.1 Fasten the screw on the control case after product adjustment. Sealing components shall be kept well
so that outdoor performance of the product can be ensured.
5.2.2 After maintenance, user shall check if limit control mechanism, position indicator and torque control
mechanism comply with requirements. Readjustment shall be made if possible.
5.2.3 The sealing plug would be damaged if it is used after several times of dismounting. In this case, user
can purchase from manufacturer or produce according to required dimensions.
