2 PROSEC T3H
Safety Precautions
Safety Precautions

Installation:

1. Excess temperature, humidity, vibration, shock s, or dusty and corrosive gas
environment can cause electrical shock, fire or malfunction. Install and use the T3H
and in the environment described in the T3 User’s Manual - Hardware.
2. Improper installation directions or insuf ficient installation can cause fire or the units to
drop. Install the T3H in accordance with the instructions described in the T3 User’s
Manual - Hardware -.
3. Turn off power bef ore installing or removing any units, modules or terminal blocks.
Failure to do so can cause electrical shock or damage to the T3H and related
equipment.
4. Entering wire scraps or other for eig n debris into to the T3H and related equipment
can cause fire or malfunction. Pay attention to prevent entering them into the T3H
and related equipment during installation and wiring.
Wiring:
1. Turn off power bef or e wiring t o m inim ize the risk of electrical shock.
2. Exposed conductive parts of wire can cause electrical shock. Use crimp-st yle
terminals with insulating sheath or insulating tape to cover the conductive parts. Also
close the terminal covers securely on the terminal blocks when wiring has been
completed.
3. Operation without grounding may cause electrical shock or malfunction. Connect the
ground terminal on the T3H to the system ground.
4. Applying excess power voltage to the T3H can cause explosion or fire. Apply power
of the specified ratings described in the T3 User’s Manual - Hardware.
5. Improper wiring can cause fire, electr ical shock or malfunction. Observe local
regulations on wiring and grounding.
!CAUTION
!CAUTION