HTM-30N Series
HITROL CO., LTD. 9
Precautions
for Lead-In
Method of
External Wire
Failure Check
& Maintenance
External wiring precautions (Explosion-proof type)
Certified cable gland (Ex d IIC, IP66 or higher, PF 1/2") must be used for cable entry.
Unused inlets must be sealed with certified plugs (Ex d IIC, IP66 or higher, PF 1/2").
Grounding Precautions
- As shown below, connect the external grounding with the wire at 4
.
Make sure to insert a washer if the terminal lug is removed from the ground
terminal and subsequently reconnected.
(loosening prevention)
External grounding
4 (4mmSQ)
Outside of HEAD (PBT)
Outside of HEAD (AL.C)
Maintenance
The primary check part of the vibration level switch is divided into sensor and transmission parts.
he lifespan of key components depends on your environment and can be used optimally through
periodic checks. Therefore, the user should perform maintenance at least once a year through
periodic checks.
Check the exterior of the product visually for damage.
Foreign substances attached to the sensor may cause poor sensitivity and should be removed
regularly.
Failure Check
1) Is the power connection correct?
2) Is the power voltage supplied correctly?
3) Is cable wiring correct?
4) Is the FAIL-SAFE MODE setting correct?
Turn off the power of the product for maintenance.
In a hazardous area, do not disassemble when power is applied.
