User's Manual

Connecting
5.4 Instructions specific to hazardous area installations
SITRANS LR250 (FOUNDATION FIELDBUS)
36 Operating Instructions, 01/2014, A5E32221411-AB
5.4
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
06ATEX2353X and 09ATEX4354X:
1. For use and assembly, refer to the main instructions.
2. The equipment is certified for use as Category 1GD equipment per SIRA 06ATEX2353X, and
Category 3G equipment per SIRA 09ATEX4354X.
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
o
C and may be used with flammable dusts.
5. The equipment is certified for use in an ambient temperature range of –40
o
C to +80
o
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: e.g. acidic liquids or gases that may attack metals, or solvents
that may affect polymeric materials.
– Suitable precautions: e.g. establishing from the material’s data sheet that it is resistant to
specific chemicals.