HCC-95P Series
HITROL CO.,LTD.
9
If there is an atmosphere of explosive gas, do not open the cover of the product.
Make sure that it is not subject to any high impact while moving.
Failure Check
& Maintenance
Precautions
for
Removal
Precautions
for
Use
Precautions
for Inserted
External Wire
(Ex-proof)
■ Check the level and presence of measure object in the tank before removing it.
■ Wear gloves when removing it, to prevent a burn.
■ Unlock the lock key before removing the cover. (Ex-proof)
■ Disassemble work shall be done with the power off.
■ Make sure that any O-ring or gasket is not damaged while opening or closing the
cover of product.
■ Check whether the product would be installed in the Ex-proof zone, and use the
appropriate product.
■ Do not bend or extend the sensor randomly.
■ Make sure to install the product and the cover first before supplying the power.
■ Do not use if the temperature range of the installation exceeds -20℃ to +60 ℃.
■ Do not use if the protection grade requires a higher grade than its product. (IP66 for
AL. Housing or IP65 for PBT Housing)
■ Do not use where vibration is present.
■ Use the cable gland connection or metal pipe line lead-in on the wire inlet, and use a
product with equivalent Ex-proof certificate to connect it with the external line lead-
in method.
■ For non-use external wire inlet, use a closed plug that passes safety certificate above
equivalent performance with the product.
The life span of key parts depends on user’s environment and can be used optimally
through periodic check. Therefore, regular inspection ensures optimal performance of
product, so take regular inspection and maintenance at least every year. Inspection of the
appearance of the product shall be visually checked to see if there is any damage, and the
attachment of the medium or foreign substances to the sensor will make it worse, so they
shall be removed regularly. Be careful not to damage Teflon part during removal.
■ Failure Check
1) Is power voltage connected correct?
2) Is power voltage supplied according to specifications correct?
3) Is cable wiring correct?
4) Is the Fail-Safe Mode setting correct?
5) Does the green LED turn on?
Turn off the power of the product for maintenance.
In an explosion area, do not disassemble when power is applied.
