HTM(HPV)-20N Series
HITROL CO., LTD.
13
Failure Check
If there is a problem with operation, check the following first.
■ Power voltage is correctly connected.
■ Power voltage is correctly supplied according to specifications.
■ Output contact wiring is correct.
Cautions
for Removal
■ Check the level and presence of liquid in the tank before removing it.
■ Overheated product may cause burn, so wear gloves to remove it.
■ If there is explosive gas in the atmosphere, do not open the cover.
■ Remove it with the power disconnected.
■ Make sure that any O-ring or gasket is not damaged while opening or closing the
cover.
Cautions for
Transportation
and Assembly
■ Pay special attention to prevent any impact on the device during transportation or
assembly. The impact may directly lead to a failure.
■ While transporting or assembling the device on a tank or silo, prevent any damage
to the assembly packing.
Make sure that it is not subject to any high impact when moving.
Cautions
for Installation
■ Connect the flanges or bolts with the same specifications.
■ Make sure to insert washers between bolts and nuts to prevent loosening.
■ Make sure to insert gaskets between flanges.
(Select the gaskets in consideration of the temperature of the content and the
pressure inside the container.)
■ Install an ex-proof product in an ex-proof zone.
■ Do not bend or extend the sensor that vibrates.
■ Make sure to install the product and the cover before supplying the power.
