Introduction - Mettler Toledo IND570xx Installationsanleitung

1

Introduction

This chapter covers
•
Hazardous Area Classification
•
Protection Approaches
•
Product Markings
•
Product Date Code
•
Materials of Construction
the next chapter for details of the data plate markings on approved terminals. Models of the IND570
terminal that are not factory labeled for Division 2 or Zone 2/22 compliance may not be installed
into a Division 2 or Zone 2/22 environment.
The approval by Factory Mutual (FM) applies to:
•
•
•
•
These approvals may also be acceptable in other worldwide locations. Confirm with the customer
or with local authorities the acceptance of these approvals before installation. Regardless of the
installation location, all local and national wiring and installation requirements must be followed
during installation.
The IND570xx terminal has been approved for use in areas classified as Division 2 or Zone 2 or
Zone 22. This approval DOES NOT mean that the IND570xx terminal can be used in Division 1,
Zone 0/20 or Zone 1/21 areas. Please consult your local METTLER TOLEDO representative
regarding applications in a Division 1, Zone 0/20 or Zone 1/21 area.
30205321 | 05 | 03/2019
This installation guide describes some basic concepts about Division 2 and Zone
2/22 hazardous areas and provides guidelines for installing the Factory Mutual
approved IND570xx terminal into hazardous environments rated as Division 2 or
Zone 2/22. IND570 versions that have Division 2 or Zone 2/22 certification for use
in Division 2 or Zone 2/22 areas are referred to as "IND570xx".
Only IND570xx terminals that are factory-labeled as Division 2 or Zone 2/22
approved may be installed into a Division 2 or Zone 2/22 hazardous area. Refer to
METTLER TOLEDO ASSUMES NO RESPONSIBILITY FOR CORRECT INSTALLATION OF THIS EQUIPMENT
WITHIN A DIVISION 2 OR ZONE 2/22 AREA. THE INSTALLER MUST BE PROFICIENT IN ALL DIVISION 2
OR ZONE 2/22 WIRING AND INSTALLATION REQUIREMENTS.
Division 2 or Zone 2/22 applications that require certification to the National Electrical Code
(NEC) in the United States.
Division 2 applications that require certification to the Canadian Electric Code (CEC) in Canada.
Zone 2/22 applications that require compliance to European CENELEC standards.
Zone 2/22 applications that require certification to IECEx standards.
THE IND570xx TERMINAL IS NOT INTRINSICALLY SAFE LEVEL "A" OR "B"! DO NOT USE WITHIN AREAS
CLASSIFIED AS HAZARDOUS DIVISION 1, ZONE 0/20 OR ZONE 1/21 BECAUSE OF COMBUSTIBLE OR
EXPLOSIVE ATMOSPHERES.
METTLER TOLEDO IND570xx Division 2 and Zone 22 Installation Manual
WARNING
WARNING
1-1