Varec 2920, Installation And Operation Manual, Page: 6 / 194

vi Installation and Operations Manual
Warning! Broken negator motor spring pieces can cause injury when the back cover of the
gaugehead is removed! Whenever the back cover is removed, stand to one side as the last
bolt is removed.
Warning! Discard plastic conduit entry plugs. Use the metal plugs that are shipped loose
in a bag.
Warning! Explosion and water ingress hazard. Tighten cover and tighten and seal conduit
and plugs with pipe sealant prior to operation. Failure to do so voids manufacturer’s
warranty.
Warning! Possible buildup of electrostatic charges on non-conducting surfaces. To clean,
wipe equipment with a damp cloth.
Caution! Consult the manufacturer if dimensional information on the flameproof joints is
necessary.
Warning! The flamepath joints are not repairable by the end user. Consult the factory for
repair or replacement.
Warning! Conduit seal required within 50 mm of conduit entries to enclosure when
installed.
Attention! Joint de conduit requis à moins de 50 mm aux entrées de conduit à la clôture
une fois installé.
Warning! Install models with I.S. HART per Associated Intrinsically Safe (AIS) (Appareillage
Connexe) Control Drawing 28-013355, Appendix D.
Warning! Improper connections, component substitutions, or tampering may impair
intrinsic safety and create a hazardous condition.
Avertissement! La subsitution de composants peut compromettre la sècuritè intrinséque.
Warning! Do not open the display or expansion junction boxes while energized due to an
explosion hazard.
Note The I.S. HART terminal box is labeled with a light blue sticker. It is intrinsically safe
and may be opened while energized.