PR electronics 7501 Manual Del Producto página 58

LERBAKKEN 10, 8410 RØNDE DENMARK.
Explosion proof / Dust ignition proof installation:
Applicable for ( 7501A )
Conduit and sensor connections must be in NPT modified threads.
Only third party certified sensors suitable for Class I, Division 1, Groups ABCDEFG or
Class I ,Zone 1 IIC may be attached to the Temperature Transmitter without additional approval
of the combination.
For Class I Group A installation and Class I Zone 1 installation, conduit seal is required within 18
inches of enclosure.
For an ambient temperature exceeding 70°C, heat resistant cables and cables suitable for at least
90°C shall be used.
The display cover must be screwed all the way in and the safety catch must be fastened before
putting the module into service.
Do not open / remove front cover unless area is known to be safe.
The remote temperature sensor must comply with the requirements for installation in hazardous
locations "Class I, Division 1 / Zone 1, Groups ABCD / IIC"
The remote temperature sensor must comply with the requirements for Ex d installation
Only certified cable and cable glands shall be used that are suitable for the application and
correctly installed.
For protection according to Type 4X / IP66 use Loctite 577 on threads of sensor and cable glands.
The enclosure must be connected to the potential matching line
Unused cable entries must be sealed by the blanking elements supplied with the 7501 or other Ex
certified blanking elements.
If the transmitter is physically connected to a possible source of heating or cooling, e.g. by
mounting to a process pipe or a temperature sensor, the temperature at the point of connection
shall be within the ambient temperature range as given in the certificate.
When the process temperature range exceeds the service temperature range it shall be verified by
on-site temperature measurements, taking the worst case conditions into account, that the service
temperature does not exceed the range of the module.
For Class II, III, electrostatic charging of the paint layer shall be avoided.
No modification to the enclosure is allowed by the customer except as mentioned in the manual or
installation drawing.
Revision date:
2015-11-03
58
Version Revision
V3R0
7501V104-ES
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7501QC01
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