HR-10L Series
HITROL CO., LTD.
7
-
If checking contact status with resistance, the Digital Multimeter represents 0 ohms
when it represents a normal close (NC) and displays infinite when it is normal open
(NO).
■
Precautions for Installation
-
If there is explosive gas atmosphere, do not open the cover.
-
Unlock the lock key (Set screw) before removing the cover. (Ex-proof)
Precaution for
Transportation,
Assembly
and
Installation
■
Precaution for Installation
-
As it is assembled and shipped to a level gauge (HLG-100F), no special
precautions are required for installation.
-
Do not shock the product when transporting or dismantling it.
■
Precaution for Inserted External Wire (IP65)
-
Use the cable gland connection or metal pipe line lead-in in the wire inlet.
-
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 close plug that passes safety certificate
above equivalent performance with the product.
■
Precaution for Grounding
-
The grounding has an external and an internal grounding. When connection to
an external ground, the ground wire shall be 4mm
2
(4mmSQ).
-
The internal grounding wire shall be the same size as the power line, and the
size of the internal grounding terminal lug shall be 3.1mm
2
(3.1mmSQ). If the
power line is larger than 3.1mm
2,
connect the ground wire without terminal lug.
<Warning>
Make sure to insert a washer if the terminal lug is removed from
ground terminal and then re-connected.
Safety and
Environment
■
Caution for Use
-
Make sure to connect the product and the container using the required tools.
-
Keep the lock key safe and make sure that it is locked.
-
Do not cause high impact to the product.
■
Cautions for Wiring
-
Make sure to wire contacts correctly (Refer to Wiring)
-
Internal ground (inside product housing) and external ground shall be
connected.
