Installation - Mettler Toledo IND780 Guia De Instalacion

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 Figures 1-1, 1-2 and 1-3 in the first chapter of this guide.
If the IND780 terminal does not include the approval information label as shown in Figures , 1-2
and 1-3, the IND780 terminal cannot be installed in the hazardous area.
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PRIOR TO INSTALLING THE EQUIPMENT, ENSURE THE HAZARDOUS AREA IS MADE SAFE.
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.
IN ORDER TO INSTALL THE DIVISION 2 APPROVED IND780 TERMINAL UTILIZING THE U.S.
OR CANADIAN UL APPROVAL, METTLER TOLEDO CONTROL DRAWING 64069877 MUST BE
FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE CATEGORY 3 MARKED 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 IND780 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.
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
WARNING
WARNING
WARNING
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