Elgas DATCOM, Operating Instructions Manual

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2
Safety
15
2 Safety
Different versions of the devices in terms of safety
The devices are supplied in terms of explosion safety in the following
versions:
 intrinsically safe design - the whole device is intrinsically safe and is
intended for Zone 0 or Zone 1 environments (see below)
 combined safety version – only ELCOR
plus
(DATCOM
plus
), used „ic“
and „nA“ protections. The device may only be used in zone 2 (see
Appendix 2).
The device is also referred to as ELCOR plus for Zone 2.
Each design has a separate ATEX approval for hazardous areas.
This chapter and the following chapters describing the intrinsically safe design of a device
designed for Zone 1 or Zone 0.
ELCOR plus for Zone 2
- has its own ATEX approval, different from intrinsically safe design,
- is described, including safety data, in Annex 2 to this document,
- may not be installed in Zone 0 or Zone 1 environments.
ELCOR plus for Zone 2 (DATCOM plus for Zone 2)
- the device is described in the Annex:
 Appendix 2 Design of ELCOR plus for Zone 2
The appendix describes:
 Safety device in terms of the risk of explosion
 Different properties against intrinsically safe design
 Differences in technical parameters
 Differences in the use of plug-in modules

Differences in the options of connections with other devices