Edwards ELD500 Series

D135-10-880C - Safety
Page 1
Safety
Key to the symbols
Important instructions relating to technical safety and safe operation are emphasised by
symbols.
The Edwards ELD500 leak detector has been designed for safe and efficient operation when
used properly and in accordance with these operating instructions. It is the responsibility of
the user to carefully read and strictly observe all safety precautions described in this section
and throughout the Operating Instructions. The ELD500 must only be operated in the proper
condition and under the conditions described in the Operating Instructions. It must be
operated and maintained by trained personnel only. Consult local, state, and national
agencies regarding specific requirements and regulations. Address any further safety,
operation and/or maintenance questions to our nearest office.
Failure to observe the following precautions could result in serious personal injury.
WARNING:
Warnings are given where failure to observe the instruction could result in injury or death
to people.
CAUTION:
Cautions are given where failure to observe the instruction could result in damage to the
equipment, associated equipment and process.
Note:
Emphasizes additional application information and other useful information provided within
these operating instructions.
During all maintenance and connection work, ensure the mains cable has been
disconnected and does not carry a mains voltage. The leak detector must only be used with
the hoods closed. The electrical connections must only be provided by a trained electrician
as specified, for example, by the regulations EN 50110-1.
Avoid exposing any part of the human body to the vacuum. Only handle the leak detector
when the pump is vented.
After a mains power failure the leak detector can run up automatically once more.
Before changing oil or fuses, make sure that the mains cable have been disconnected.
The leak detector is not suited for operation in explosion hazard areas.
During operation the pump can become so hot that there is a danger of burns
(> 70 °C (158 °F)). Provide protection against contact with the hot components.
Contaminated parts can be detrimental to health and environment. Before beginning to
work, find out whether any parts are contaminated. Adhere to the relevant regulations and
take the necessary precautions when handling contaminated parts.