2 Safety Information and Notes
2.1 Special Conditions for Safe Use –
The width of the flameproof joints is superior to those specified in tables of EN/IEC 60079-1
standard.
If fitted to the product; during the installation, the user will take into consideration that pilot light
type EFL*PC* underwent only a shock corresponding to an energy of low risk at “J.
The other conditions are as specified in the instructions.
2.2 Storage of this Manual
Keep this user manual safe and in the vicinity of the device. All persons who have to work on or
with the device should be advised on where the manual is stored.
2.3 List of Notes
The notes supplied in this chapter provide information on the following.
•Danger / Warning - Possible hazard to life or health.
•Caution - Possible damage to property.
•Important - Possible damage to enclosure, device or associated equipment.
•Information - Notes on the optimum use of the device
Warning Do not open the enclosure while the immediate area is classed as
hazardous or explosive.
Important Read the manual completely and carefully before operation. Only the latest
documentation is valid.
Important Installation, maintenance and cleaning of the units must only be performed
by persons trained and authorized for this purpose, insofar as they are
familiar with the units.
Important If it can be assumed that safe operation is no longer possible, switch off the
unit and secure it against being used again.
Important Modifications and conversions to the units are not permissible and will
cause the Ex protection and the guarantee to become void. Extronics Ltd is
not liable for any consequential damage.
Important The technical data specified for hazardous areas comply with the values
certified in the European Ex approval. The user bears the sole
responsibility of examining the equipment with regard to its suitability for
the intended application and environmental conditions. Extronics Ltd
accepts no liability for any lack of suitability