620-0042 Honeywell Input module Brand new

Work practices

Before installation, follow these work practices when performing general tasks:

l Ensure that all installation work is to be carried out in accordance with local standards, codes of

practice and site regulations and any other special requirements stated in this manual.

l Check that all module functions are correct for the application

l Take care to avoid damaging the pins at all connector interfaces

l Ensure that AC mains supplies have been isolated.

l It is recommended that some form of mechanical assistance is used for lifting and supporting

the enclosure when installing it.

13.2.3 Hazardous areas

This subsection describes the considerations that should be given to Zone 2 and Division 2

hazardous environments of the equipment prior to its installation.

Work activities in a Zone 2 and Division 2 hazardous area are restricted in order to avoid ignition of

explosive gas/air mixtures.

13.2.4 Operations

The equipment must only be installed, operated and maintained by trained competent personnel.

13.2.5 Checking and Maintenance

The installation and maintenance must be carried out in accordance with all appropriate

international, national and local standard codes of practice and site regulations in accordance with

the instructions contained in this manual.

13.2.6 Installation

The installation must comply with the appropriate European, national and local regulations, which

may include reference to the IEC code of practice IEC 60079-14. In addition, particular industries

or end users may have specific requirements relating to the safety of their installations and these

requirements must be met. For the majority of installations the Directive 1999/92/EC [the ATEX

Directive - safety of installations] is also applicable.