Mettler Toledo IND780 Guide D'installation page 16

Chapter 2
Installation
Before installing the IND780 terminal into an area classified as Division 2 or Zone
2 according to the UL approval, read and understand METTLER TOLEDO control
drawing 64069877 in the appendix of this guide. Make note of the inputs and
outputs that will be used and the type of protection required for each I/O. Also note
that the panel-mount IND780 terminal must be installed into a Nationally
Recognized Test Laboratory approved dust tight enclosure appropriate for the
environment.
Before installing the Category 3 rated IND780 terminal into an area classified as
Zone 2 or Zone 22 per European ATEX or IECEx approval, read and understand the
DEMKO Type Examination Certificate or the IECEx certificate in the appendix of this
guide. Make note of the electrical data section for the energy limited values and the
special conditions of use.
Before beginning the installation, confirm that the correct markings are on the
IND780 terminal indicating that the terminal has been approved for use in Division
2 or Zone 2/22 areas. The required markings were shown in Figure 1-1 and Figure
1-2 in the first chapter of this guide.
WARNING
PRIOR TO INSTALLING THE EQUIPMENT, ENSURE THE HAZARDOUS AREA
IS MADE SAFE.
WARNING
METTLER TOLEDO ASSUMES NO RESPONSIBILITY FOR CORRECT
INSTALLATION OF THIS EQUIPMENT WITHIN A DIVISION 2 OR ZONE 2/22
AREA. THE INSTALLER MUST BE FAMILIAR WITH ALL DIVISION 2 OR
ZONE 2/22 WIRING AND INSTALLATION REQUIREMENTS.
WARNING
IN ORDER TO INSTALL THE DIVISION 2 APPROVED IND780 TERMINAL
UTILIZING THE U.S. AND CANADIAN UL APPROVAL, METTLER TOLEDO
CONTROL DRAWING 64069877 MUST BE FOLLOWED WITHOUT
EXCEPTION. IN ORDER TO INSTALL THE CATEGORY 3 IND780 TERMINAL
UTILIZING THE EUROPEAN ATEX APPROVAL, THE TYPE EXAMINATION
CERTIFICATE DEMKO 07ATEX0520819X AND ALL LOCAL REGULATIONS
MUST BE FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE
IND80 TERMINAL UTILIZING THE IECEx APPROVAL, THE CERTIFICATE OF
CONFORMITY IECEx UL 10.0014X AND ALL LOCAL REGULATIONS MUST
BE FOLLOWED WITHOUT EXCEPTION. FAILURE TO DO SO COULD RESULT
IN BODILY HARM AND/OR PROPERTY DAMAGE.
2-1