UL Safety Instructions for Emerson FB1100 Flow Computers
CD9434A
December 19, 2022
Special Instructions for Class I Division 1 Locations UL-5
DANGER
EXPLOSION HAZARD: Substitution of any components may impair suitability for Class I, Division 1
or Class I, Division 2.
DANGER
EXPLOSION HAZARD: Do not replace batteries unless power has been switched off or the area is
known to be non-hazardous. Batteries must only be changed in an area known to be non-
hazardous.
Note
These cells are to be used only in devices where servicing of the cell circuit and replacement of the
lithium cells will be done by a trained technician.
DANGER
The area must be known to be non-hazardous before servicing the unit and before installing or
removing I/O wiring.
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