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Installing the PT
Section 3-1
3-1
3-1-1
Installing the PT
The methods used to mount the PT to the control panel and connect the
power supply are described here.
! WARNING
After the NP-series PT has been installed, qualified
personnel must confirm the installation, and must
conduct test operations and maintenance.
The qualified personnel must be qualified and autho-
rized to secure safety at each phases of design,
installation, running, maintenance, and disposal of
system.
A qualified person in charge, who is familiar with the
machine, must conduct and verify the installation of
the NP-series PT.
Installation Environment
Always mount the PT to the control panel and perform other installation proce-
dures according to the following precautions.
18
Precautions
for Correct Use
Precautions
for Safe Use
Do not install the PT in any of the following locations:
? Locations subject to extreme temperature changes.
? Locations subject to temperatures or humidity outside the ranges in
the specifications.
? Locations subject to high humidity that may result in condensation.
? Locations that would subject the PT to chemicals.
? Locations that would subject the PT to oil.
? Locations subject to corrosive or flammable gases.
? Locations that would subject the PT to direct shock or vibration.
? Locations that would directly expose the PT to wind or rain.
? Locations subject to strong ultraviolet light.
Provide proper shielding measures when installing in the following loca-
tions:
? Locations subject to static electricity or other sources of noise.
? Locations subject to strong electromagnetic fields.
? Locations near power supply lines.
? Locations subject to possible exposure to radiation.
When unpacking the PT and peripheral devices, check for any external
damage. Shake the product gently and check for any abnormal sounds.
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