Siemens Sitrans LR200, Quick Start Manual, Page: 8 / 276

7ML19985XC81 SITRANS LR200 (HART) – QUICK START MANUAL Page EN-7
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Installation instructions
Threaded Version
1) Before inserting the device into its mounting connection, check to ensure the threads are
matching to avoid damaging them.
2) Screw the device into the process connection, and hand
tighten. For pressure applications, use PTFE tape or
other appropriate thread sealing compound, and tighten
the process connection beyond hand-tight (max. torque
40 N·m (30 ft.lbs).
3) To rotate the enclosure, first loosen the three set-screws
securing the locking ring. After positioning the
enclosure, retighten the screws.
Flanged Version
Wiring
Power
Notes:
• There is no limit to the number of times the device can be rotated.
• Orient the front or back of the device towards the closest vessel wall.
• Do not rotate the enclosure after programming and device configuration (a polarity shift
of the transmit pulse may cause an error).
WARNING: The user is responsible for the selection of bolting and gasket materials
which will fall within the limits of the flange and its intended use, and which are
suitable for the service conditions.
WARNINGS:
The DC input terminals shall be supplied from a source providing electrical
isolation between the input and output, in order to meet the applicable safety
requirements of IEC 61010-1.
All field wiring must have insulation suitable for rated voltages.
locking ring
secured by three
2 mm Allen set-
screws
threaded
connection