Basic Installation Procedure; Disclaimers; Improper Use; Technical Limit Values - ABB LWT300 series User Manual

Basic installation procedure

Here are the basic installation steps described in this guide. The following chapters provide more
details.
1 Access and properly secure the installation site (vessel depressurization and cool down, mains power
down, etc.) (see page 16).
2 Attach the probe to the head-coupler assembly (see page 17).
3 Slide the probe in the vessel and attach the assembled LWT system on the external flange (see
page 19).
4 Ground the head unit and connect it to the mains (see page 23).
5 Power up (see page 26) and configure the instrument (see page 37).

Disclaimers

ABB declares that the content of this guide is not part of any prior or existing agreements,
commitments, or legal relationships, nor are they intended to amend these. ABB obligations arise
from the conditions of the relevant sales agreement, which also contains the solely binding warranty
regulations in full. These contractual warranty provisions are neither extended nor limited by the
information provided in this guide.

Improper use

It is prohibited to use the instrument for any of the following, including but not limited to:
• A climbing aid, e.g., for mounting purposes.
• A support for external loads, e.g., as a support for pipes.
• By adding material, e.g., by painting over the name plate, or welding/soldering on parts.
• By removing material, e.g., by drilling the housing.
Repairs, alterations, and enhancements, or the installation of replacement parts, are only permissible as
far as these are described in this guide. Approval by ABB must be requested in writing for any activities
beyond this scope. Repairs performed by ABB-authorized centers are excluded from this article.

Technical limit values

The instrument is designed for use exclusively within the values stated on the name plates and within
the technical limit values specified on the data sheets.
Technical limit values that must be observed at all time are:
• The maximum working pressure, ambient working temperature, and maximum process temperature
may not be exceeded.
• The housing protection type must be observed.
• The electrical specifications must be observed.
11
Introduction