User's Manual

Page 26 SITRANS LR260 (PROFIBUS PA) – OPERATING INSTRUCTIONS A5E32337685
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Wiring
Instructions specific to hazardous area installations
(Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6)
The following instructions apply to equipment covered by certificate number
SIRA 11ATEX2348X, and SIRA 09ATEX4156X.
1) For use and assembly, refer to the main instructions.
2) The equipment is certified for use as Category 1GD, 1/2D, 2D equipment per
SIRA 11ATEX2348X and Category 3G equipment per SIRA 09ATEX4156X.
3) The equipment may be used with flammable gases and vapors with apparatus group
IIC, IIB and IIA and temperature classes T1, T2, T3 and T4.
4) The equipment has a degree of ingress protection of IP67 and a temperature class
of T100C and may be used with flammable dusts.
5) The equipment is certified for use in an ambient temperature range of –40 C to
80 C.
6) The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
7) Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice (EN 60079-14 and
EN 60079-17 in Europe).
8) The equipment is non-repairable.
9) The certificate numbers have an ‘X’ suffix, which indicates that special conditions
for safe use apply. Those installing or inspecting this equipment must have access
to the certificates.
10) If the equipment is likely to come into contact with aggressive substances, then it is
the responsibility of the user to take suitable precautions that prevent it from being
adversely affected, thus ensuring that the type of protection is not compromised.
- Aggressive substances: for example, acidic liquids or gases that may attack
metals, or solvents that may affect polymeric materials.
- Suitable precautions: for example, establishing from the material’s data sheet
that it is resistant to specific chemicals.
SPECIAL CONDITIONS FOR SAFE USE
The 'X' suffix to the certificate number relates to the following special condition(s) for
safe use:
• Unused cable entries shall be fitted with blanking elements that can only be
removed with the aid of a tool.
• Any glands, conduit entry devices or blanking elements fitted to the equipment
shall be suitable for use in the presence of combustible dusts and certified as
such by a notified body; the installation of these devices shall not compromise
the IP6X rating of the equipment enclosure.
• For applications that use the purge facility, the user shall provide a means to
ensure that combustible dust from the hazardous area cannot enter the purge
supply in such a way as to compromise the area classification.