Installing the Detector
36
SharpEye™
Single IR Flame Detector User Guide
•
The 3 fastening screws used to screw on the cover of the flameproof
compartment have a yield stress of 344N/mm
²
. Any replacement fasteners
must have a yield stress of at least this value.
•
When the duct mount is fitted and the equipment is intended to be mounted
to a heated/cooled air duct/process vessel, it should be verified that the
temperature of the air duct/process vessel should not be capable of heating or
cooling any part of the equipment enclosure to a temperature outside the
marked maximum ambient temperature range prior to switching the
equipment on, when taking into account surrounding ambient temperature.
3.4.2
General Instructions
•
The cable entry point may exceed 167°F/75°C. Suitable precautions should be
taken when selecting the cable.
•
The equipment may be used with flammable gases and vapors with apparatus
groups IIA and IIC:
•
T4 in the ambient temperature range: -67°F/-55°C to +167°F/+75°C.
•
T4 in the ambient temperature range: -67°F/-55°C to +185°F/+85°C.
•
Installation should be carried out by suitably trained personnel in accordance
with the applicable code of practice such as. EN 60079-14:1997.
•
Inspection and maintenance of this equipment should be carried out by
suitably trained personnel in accordance with the applicable code of practice
such as EN 60079-17.
•
Repair of this equipment should be carried out by suitably trained personnel
in accordance with the applicable code of practice such as EN 60079-19.
•
The certification of this equipment relies upon the following materials used in
its construction:
•
Enclosure
: 316L Stainless Steel or Aluminum
•
Window
: Sapphire Glass
•
If the equipment is likely to come into contact with aggressive substances,
then it is the responsibility of the user to take suitable precautions that
prevent it from being adversely affected, thus ensuring that the type of
protection provided by the equipment is not compromised:
•
Aggressive substances: acidic liquids or gases that may attack metals, or
solvents that may affect polymeric materials.
•
Suitable precautions: regular checks as part of routine inspections or
establishing from the material’s data sheets that it is resistant to specific
chemicals.
