Siemens Sitrans LR250 Guia De Inicio Rapido página 6

Approvals (continued)
• Hazardous
: Use appropriate conduit seals to maintain IP or NEMA rating.
Note
Pressure Application
WARNINGS:
• This product is designated as a Pressure Accessory per Directive 97 / 23 / EC, and
is not intended for use as a safety device.
• Do not attempt to loosen, remove, or disassemble process connection or
instrument housing while vessel contents are under pressure.
• Improper installation may result in loss of process pressure.
2
Installation
WARNINGS:
• Installation shall only be performed by qualified personnel and in
accordance with local governing regulations.
• Materials of construction are chosen based on their chemical compatibility (or
inertness) for general purposes. For exposure to specific environments, check
with chemical compatibility charts before installing.
Notes:
• For European Union and member countries, installation must be according to ETSI EN
302372.
• The Process Device Tag shall remain with the process pressure boundary assembly
the event the device package is replaced, the Process Device Tag shall be transferred to
the replacement unit.
• SITRANS LR250 units are hydrostatically tested, meeting or exceeding the requirements
of the ASME Boiler and Pressure Vessel Code and the European Pressure Equipment
Directive.
1.
FM/CSA (Non-incendive) Class 1, Div 2 connection drawing (23650673)(North
See Appendix A for
America only)
on page A-2.
2.
The process pressure boundary assembly comprises the components that act as a barrier against
pressure loss from the process vessel: that is, the combination of process connection body and
emitter, but normally excluding the electrical enclosure.
Page EN-4 SITRANS LR250 (HART) – QUICK START MANUAL
Non-incendive:
(US/Canada)
1
FM/CSA Class I, Div. 2,
Groups A, B, C, D T5
2
. In
7ML19985QX81