HM-30, 90 Series
HITROL CO., LTD. 15
■ Check the level and presence of measure object in the tank before removing it.
■ Wear gloves when removing it, to prevent a burn.
■ If there is explosive gas atmosphere, do not open the cover.
■ Make sure that any O-ring or gasket is not damaged while opening or closing the
cover of product.
■ Unlock the lock key before removing the cover.
■ Disconnect the cable before removing the snap switch.
■ Pay special attention to prevent any impact on the device during transportation or assembly.
■ Pay attention to prevent any damage to any packing when transporting or mounting
the machine to the vessel.
Make sure that it is not subject to any high impact when moving the product.
■ External ground is located on top of cable entry, and the grounding wire to connect external
ground must be 4㎟ (4mmSQ). (Internal ground is connected before shipment.)
Make sure to insert a washer if the terminal lug is removed from the ground terminal
and then re-connected.(Loosening prevention)
■ 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.
Precautions
for
Removal
Precautions
for
Transportation
and Assembly
Precautions
for
Grounding
Precautions
for
Inserted
External
Wire
(Ex-proof)