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5. Procedures for Installation, Operation and Maintenance
5.1 Precaution for installation
1. The product is not explosion-proof. Do not use it in the area or ambience where explosive gases
accumulate.
* Using the product under the said conditions may cause fire.
2. Connect the cables only after confirming that no power is supplied.
* Failure to follow this notice may cause an electric shock.
3. Connect the cables according to the instructions after confirming the rated voltage.
* Erroneous cable connection may cause an electric shock or fire.
4. Keep the inside of the actuator away from water ingress.
* Failure to follow this notice may cause an electric shock, fire or malfunction due to short circuit.
1.
Before connecting piping to the product, remove foreign substances and scale inside the piping.
* Failure to follow this notice may prevent the product from functioning properly.
2.
To install the product that has a specified flow direction, confirm if the direction of fluid flow matches
with inlet and outlet sides of the product and install the product correctly.
* Setting the product in wrong directions prevents it from functioning properly.
3.
Make sure to connect a strainer (80–100 mesh) to the inlet of the product.
* Failure to follow this notice may prevent the product from functioning properly.
4.
Do not apply excessive load, torque or vibration to the product.
* Failure to follow this notice may result in drastically shortened service life.
5.
If the product is used outdoors, place protective covers or guards above the wire connection in order
to avoid exposure to water.
* Failure to follow this notice may cause an electric leakage.
6.
If the product is used outdoors, place protective covers or guards above the product in order to avoid
exposure to water.
* Failure to follow this notice may cause an electric leakage.
7.
Do not overthread the pipe.
* Screwing in the overthreaded pipe may deform the product and cause malfunction of the product.
8.
When installing the product, screw the pipe into the product, using a spanner set at the body end to
be connected as shown below.
* Do not screw in the pipe with holding the bracket of the actuator. Do not screw in the pipe using a
spanner set at the body end opposite from the pipe to be connected.
9.
When installing the product, do not set a pipe wrench or apply excessive load on the product body.
To correct the installation posture of the product, do not apply any force to loosen the connecting
screw of the product. (Do not apply counterclockwise force to the connecting screw of the product.)
* Failure to follow this notice may prevent the product from functioning properly.
10. Do not dismount the actuator from the body while installing the product.
* Failure to follow this notice may result in part missing and malfunction.
OK
NG
Warning
Caution
NG
8
■EPDT-191a■
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