917460330020
2019-05-13·HB00·III·en·03
Transport and Storage
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Electronic relay module
Series 9174
Improper mounting, installation, commissioning, maintenance or cleaning
Basic work such as installation, commissioning, maintenance or cleaning of the device
must be performed only in accordance with the valid national regulations of the country of
use and only by qualified persons. Otherwise the explosion protection can be rendered
ineffective. This may result in explosions causing serious or even fatal injury to persons in the
vicinity.
Have mounting, installation, commissioning and maintenance work performed only by
qualified and authorised persons (see Chapter 3.2).
Prior to commissioning, check the mounting for correctness (see Chapter 7).
Only mount the device on the NS 35/15 or NS 35/7.5 DIN rail in accordance with
IEC/EN 60715.
Only operate the device if the required specification is met
(see the "Technical data" chapter).
When used in Zone 1 or Zone 2, the device is to be installed in a protective enclosure or
in a cabinet in accordance with IEC/EN 60079-7. This enclosure has a suitable degree of
protection (at least IP54).
For use in Zone 1 on the field enclosure, affix an information plate
(in accordance with IEC/EN 60079-7): "Caution - Non-intrinsically safe circuits protected
by internal IP 30 cover".
When used in Zone 22 and in a safe area, the device is to be installed in a protective
enclosure or in a cabinet in accordance with IEC/EN 60079-31. This enclosure has a
suitable degree of protection (at least IP54).
Before disconnecting or connecting an Ex e field circuit, de-energise it.
Do not change or retrofit the device.
Gently clean the device only with a damp cloth and without scratching, abrasive or
aggressive cleaning agents or solutions.
Electrical circuits with the "Ex i" type of protection can no longer be operated as circuits
with this protection type after being operated with circuits with other types of protection.
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Transport and Storage
Transport and store the device carefully and in accordance with the safety notes
(see Chapter "Safety").