Trimod Besta LTB002X Instrucciones De Servicio página 11

Trimod Besta level switches – types A..., B...
1. Used symbols and signs
Information: Application hints and important information. To be followed for optimal function.
Attention:
Danger:
2. Safety instructions
The operating manual must be read and understood before installation. If you are uncertain on any
point, please contact Bachofen AG.
The electrical connection may only be carried out by qualified personnel who have been authorised by
the operator.
The supply voltage may only be applied after the cover has been closed.
Every Trimod Besta level switch must be selected by qualified personnel in accordance with the speci-
fications stipulated by the customer. These specifications must be kept by the operator in a safe place,
together with the operating manual, the customer-specific designation and the type number (see type
plate).
In the event of any deviation of the physical quantities (pressure, temperature, density, etc.) from the
original specification, the suitability of the level controller must be checked again by qualified person-
nel or by the manufacturer with regard to the new specifications.
Process vessels / float chambers must be brought to atmospheric pressure before work is carried out
and must be appropriately vented.
The float and flange module must be included in the regular plant pressure tests.
The devices may, under no circumstances, be used as a support aid or as a security fixture for equip-
ment structures or for persons.
3. Use in accordance with the intended purpose
The Trimod Besta level switches type A... and B... are used exclusively for monitoring and controlling
liquids in tanks in the offshore industry, in shipbuilding, in the chemical and petrochemical industry and
in power plant construction. The permissible operating data for the device used must be observed.
Any use other than that described calls into question the safety of persons and equipment and is not
permitted. The manufacturer is not liable for damage caused by improper use.
If a Trimod Besta level switch is used in a safety-relevant application according to IEC 61508 and IEC
61511, the safety manual must be taken into consideration before installing and commissioning the
switch. The safety manual lists the restrictions and limitations of the IEC 61508 certification of the Tri-
mod Besta level switches.
The safety manual can be downloaded from http://www.trimodbesta.com/downloads/
4. Conformity to standards
Trimod Besta level switches type A..., B... are in compliance with the standards:
LVD
RoHS
Safety Integrity Level SIL
www.trimodbesta.com
Requirements and prohibitions to prevent damages, especially to material and the
environment.
Dangerous situation that can lead to injury and death if instructions are not fol-
lowed.
EN 61010-1, EN IEC 61058-1
EN IEC 63000
IEC 61508:2010
Operating instructions – English
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