Maintenance, Overhaul, Repair
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2019-02-13·BA00·III·en·04
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Pendant Light Fitting LED
Series 6470/5
9.1.1 Restricted breathing test
The luminaire is equipped with a test device for restricted breathing.
Restricted breathing must be checked after installation and during regular maintenance
acc. to IEC/EN 60079-15.
Inspection according to IEC/EN 60079-15, para. 23.2.3.2.1.1
If the restricted breathing test has failed, take the device out of operation!
NOTICE
Moisture inside the light fitting can result in damage to electric and electronic
components.
• Remove moisture with a cloth!
• Determine the source and eliminate the cause!
• Avoid condensation and thermal bridges!
WARNING
Restricted breathing is not guaranteed any longer!
Explosion protection is impaired!
• After replacing seals or enclosure components carry out the restricted
breathing test acc. to IEC/EN 60079-15, para. 23.2.3.2.1.1.
Recommendation
Check the luminaire by using the handheld testing instrument for restricted
breathing from R. STAHL Schaltgeräte GmbH (see data sheet).
The test should only be carried out at constant temperature conditions.
If the luminaire is only marked with the type of protection for dust (IIIC),
the cable entries and stopping plugs do not need to meet the requirements
for restricted breathing (nR).
