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8020216/19YN/V3-0/2020-12| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SP100 Ex-3K
Subject to change without notice
FOR YOUR SAFETY
2
CAUTION:
Risk of explosion through incorrect or missing potential equalization.
Incorrect connection of the potential equalization can generate charges that can lead to
explosions in an Ex atmosphere.
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Connect potential equalization to all planned points.
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Ensure the potential equalization is connected during all work on the device
described in the Operating Instructions.
DANGER:
Risk of explosion when opening the MCUDH Ex-3K control unit
The MCUDH Ex-3K control unit must not be opened in Ex-atmosphere until 3 minutes
after switching off the power supply, so that the residual energy in the capacitors can
dissipate.
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Do not open the MCUDH Ex-3K control unit in an Ex atmosphere until after the wait-
ing period.
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Take suitable precautions to prevent dust from entering the control unit enclosure
when the enclosure door is open.
DANGER:
Risk of explosion when opening the sender/receiver unit enclosure
Opening the DUSTHUNTER SP100 Ex-3K sender/receiver unit housing cancels the
explosion protection, the device can then be an ignition source.
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The DUSTHUNTER SP100 Ex-3K sender/receiver unit enclosure may only be opened
by SICK Service.
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If the DUSTHUNTER SP100 Ex-3K sender/receiver unit enclosure has been opened,
take the device out of operation immediately and contact SICK Service.