Vigilantplant TDLS8000, User Manual

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<Appendix 8 Explosion Protected Type Instrument>
App.8-14
IM 11Y01D01-01EN
Note: Laser unit shall have conduit and sealing fitting in the same manner as Sensor control unit.
• Unused apertures shall be closed with suitable flameproof certified blanking elements. The
plugs that are installed in the instrument are certified as a part of the instrument.
• Mounting orientation of TDLS8000 is within 30 degrees relative to the horizontal direction.
• If the TDLS8000 is mounted in an area where the use of Class II and III equipment is
required, it shall be installed in such a way that the risk from electrostatic discharges and
propagating burst discharges caused by rapid flow of dust is avoided.
• A mark indicating the electrical connection type is stamped near the electrical connection
port. These marks are as followed.
M
Location of the marking
3rd Edition: Jun. 10, 2016-00
Screw size Marking
ISO M20x1.5 female
M25x1.5 female
M
ANSI 1/2 NPT Female
3/4 NPT female
N
Note: This type is only NPT thread available.
(4) Operation
• Note a warning label worded as follows.
WARNING
• DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE MAY BE PRESENT.
• POTENTIAL ELECTROSTATIC CHARGING HAZARD.
• FOR INSTALLATION AND SAFE USE, READ IM 11Y01D01-01.
• SEAL ALL CONDUITS WITHIN 18 INCHES. WHEN IN INSTALLED IN CL I, DIV1 .
• Take care not to generate mechanical spark when access to the instrument and peripheral
devices in hazardous locations.
• Electrostatic charge may cause an explosion hazard. Avoid any actions that cause the
generation of electrostatic charge, such as rubbing with dry cloth on coating face of product.
• Purge inside of the each enclosure using nitrogen for at least 60 minutes at 10 kPa before
turning on the power to prevent from pressurizing internal gas by purge gas. After stoppage
of purge gas, explosive gas may be inside of the enclosures.