HTM(HPV)-20N Series
HITROL CO., LTD.
13
Please do not apply high impact to the product.
Make sure to insert a washer if the terminal lug is removed from ground
terminal and then re- connected. (Loosening prevention)
Precautions
for Installation
Precautions
for Transportation
& Assembly
Precautions
for Lead-in
Method of
External Wiring
(Ex-proof)
Precautions
for Grounding
(Ex-proof)
■
Pay special attention to prevent any impact on the device during transportation or
assembly. The impact may directly lead to failure.
■
While transporting or assembling the product on a tank or silo, prevent any damage to
the assembly packing.
- The grounding has an external and an internal grounding. When connecting to an external ground, the
ground wire shall be 4㎟ (4mmSQ). (Internal Grounding is connected and shipped by the
manufacturer.)
■
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.
When installing the product, use the tool to tighten it.
- 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.
HEAD Internal Grounding / External Grounding
Internal Grounding
(Wiring by the HITROL)
External Grounding
4㎟ (4mmSQ)
