Safety; General Information And Notes; Intended Use; Improper Use - ABB LST300 Operating Instruction

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Safety

General information and notes

Read these instructions carefully prior to installing and
commissioning the device .
These instructions are an important part of the product and
must be kept for future reference .
These instructions are intended as an overview and do not
contain detailed information about all design variations of this
product or every possible aspect of installation, operation and
maintenance .
For additional information, or if specific problems occur that
are not detailed in these instructions, contact the
manufacturer .
The content of these instructions is neither part of any previous
or existing agreement, promise or legal relationship, nor is it
intended to change the same .
This product is designed with state-of-the-art technology and
is operationally safe . It left the factory pre-tested for safety
and in perfect working order . The information in this manual
must be observed and followed in order to maintain safe and
optimal function throughout the period of operation .
Modifications and repairs to the product may be performed
only if expressly permitted by these instructions or ABB
technical support .
Observe all of the instructions and the safety and warning
symbols to ensure optimum protection of personnel and the
environment, as well as safe and fault-free operation of the
device .
Information and symbols on the product must be observed .
They may not be removed and must be fully legible at all times .

Intended use

This device is intended for the following uses:
• To measure distance to a liquid surface (directly, using time-
of-flight through air)
• To measure the level of liquids in tanks (indirectly, using
distance measurement and tank dimensions)
• To measure volumetric flow (indirectly using distance
measurement and tank dimensions)
• To measure the volume (indirectly using distance
measurement and tank dimensions)
Using these products as intended involves observing the
following points:
• Read and follow the instructions in this manual
• Observe the technical ratings (refer to chapter 8
"Specification")
L S T 3 0 0 | C O M PA C T U LT R A S O N I C L E V E L T R A N S M I T T E R | L S T 3 0 0 – E N R E V. E

Improper use

The following are instances of improper use of the device:
• Measuring the level of bulk solids
• Measuring in a medium other than air, for example in the
presence of heavy gas vapors
• Use as a climbing aid, for example for mounting purposes
• Use as a support for external loads, for example to support
the tank, etc
• Addition of material, for example by painting over the name
plate or welding/soldering on parts
• Removal of material, for example by spot drilling the housing

Target groups and qualifications

Installation, commissioning and maintenance of the product
may be performed only by trained specialist personnel who
have been authorized by the plant operator to do so . The
specialist personnel must have read and understood the
manual and comply with its instructions .
The operators must strictly observe the applicable national
regulations with regard to installation, function tests, repairs,
and maintenance of electrical products .

Warranty provisions

Using the device in a manner that does not fall within the scope
of its intended use . Disregarding this manual, using under-
qualified personnel, or making unauthorized alterations
releases the manufacturer from liability for any resulting
damage . This renders the manufacturer's warranty null and
void .

Operator liability

Installation, operation, maintenance and servicing must only be
carried out by suitably trained personnel and in accordance
with the information given . Any deviation from these
instructions will transfer the complete liability to the user .

Technical limit values

Particular attention must be paid to the limit values listed in the
sections relating to ex relevant specifications (refer to chapter 8,
"Ex relevant specifications"):
• The data for the signal inputs and outputs of the transmitter
• The permissible temperature data and limit values