Product Identification; Specific Conditions Of Use; Applied Standards - Pepperl+Fuchs 7500 User Manual

Purge system
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5. Product Identification

5.1. Specific Conditions of Use

The main control unit and optional accessories are the only parts that have been evaluated for the
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certifications of the system.
For dust environments, the lens of the Control Unit may pose an electrostatic discharge hazard.
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Use only a water-damp cloth and allow to air dry for cleaning device. Do not use or install in high
charge areas. See IEC 60079-32-1 for further information.
When the Control Unit and Vent are mounted to equipment intended to be protected by concept
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of protection 'p', the complete installation and assembly of parts shall be evaluated to the
appropriate standards and regulations applicable for the final installation location.
The Control Unit has a temperature class (T6 / 60 °C, T5 / T75 °C or T4 / T80 °C) that is
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dependent on ambient temperature. This temperature shall be considered when mounted to, or
inside of, an enclosure.
All un-used entry points to the Control Unit shall be closed with a properly certified ATEX device
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suitable for the area of installation with the necessary ingress protection.
The bypass function shall be enabled only when the area is known to be non-hazardous.
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In a hazardous dust environment, regularly remove dust from the unit to prevent excessive
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temperature rise. See certificate for full information.
For accessory solenoid valve 0515 and 1215 Series, a maximum permissible ripple of 20% is
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valid for all magnets of direct-current design.
For all accessory solenoid valves, refer to the solenoid coil's label for ambient temperature rating,
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which may differ from the control unit's ratings.

5.2. Applied Standards

Note
See the certificates and/or the Declaration of Conformity for details on specific
editions of the standards listed below.
IECEx and ATEX:
IEC/EN 60079-0
IEC/EN 60079-2
IEC/EN 60079-7
IEC/EN 60079-15
IEC/EN 60079-18
IEC/EN 60079-31
Purge control for use in hazardous (classified) areas, in accordance with
NFPA 496
ANSI/UL 60079-2
CAN/CSA C22.2 No. 60079-2
7500 S
M
 P
erieS
anual
i
roducT
denTificaTion
63

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