User Guide
3
Notes on This Guide
The user guide is a constituent part of the product and must be kept in the direct vicinity of the device and
accessible at all times to installation, operating and maintenance personnel.
It contains important notes, safety instructions and test certificates which are necessary for perfect functioning
when the devices are being operated and handled. It is written for technically qualified personnel.
Familiarity with and the technically perfect implementation of the safety instructions and warnings described in
this guide are preconditions for safe installation and operation. The safety notes and warnings given in this guide
are given in a general way and only qualified personnel will have the necessary specialized know-how to
interpret and implement them correctly in specific cases.
Qualifications of the Personnel Working with the Devices
The user guide is written for all people who carry out assembly, installation, operation and service work on the
product, whereby the directives and standards 99/92/EC, EN 60079-17, EN 60079-19 for the gas area and EN
61241-17 and EN 61241-19 for the dust area must be observed.
Handling the Product
The product described in this guide has been tested and left the factory in perfect condition in regard to meeting
safety requirements.
To maintain this condition and ensure that this product operates perfectly and safely, it may be used only in the
manner described by the manufacturer. Appropriate transportation, suitable storage and careful operation are
also essential for the perfect and safe operation of this product.
Use for the Intended Purpose
Documentation Set
The documentation set for the MC75A provides information corresponding with the respective user requirements
and comprises:
IMPORTANT
Read carefully before putting the devices into operation.
NOTE
The versions, components, screens and windows illustrated in this guide are examples only and
can deviate from the actual display.
The information in this guide relates to the explosion protected version of the MC75A-NI Series.
This guide contains all important information concerning explosion protection. In addition, the
original user guides are also available and these contain information about handling and operation.
In the event of information overlap, the information in this guide supersedes other guides.