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Safety notes
Safety notes
Using the OpenStage M3 Ex and
OpenStage M3 Ex Plus handsets in potentially
explosive working environments
This handset fulfils the requirements of the ATEX Directive and meets the required EN and IEC
standards (see the appendix in the operating manual). See also the notes in the declaration of con-
formity.
OpenStage M3 Ex and OpenStage M3 Ex Plus were designed for use in potentially explosive
working environments (Ex zones) and in compliance with fire prevention regulations. Local and
operational factors may lead to an explosive atmosphere in an Ex zone. Therefore, please observe
the following Ex safety notes:
Handset:
• The handset may only be operated in Ex zones where it is certified. Refer to the appendix
in the operating manual, the device identification and the EC type examination certificate.
A copy of the prototype verification certificate ZELM 08 ATEX 0379 X can be found in the
appendix of this operating manual.
• Users must check the handset for damage and verify that it is operating correctly before
using it in the Ex zone. A damaged handset or a handset that is not fully functional may
not be brought into or used in the Ex zone.
• The following requirements must be met to satisfy the Ex protection and IP rating IP 65
(casing protection) in an Ex zone:
– The battery compartment seal must not be damaged.
– The cover of the battery compartment must be tightly screwed on.
• Deactivate the handset immediately and remove it from the Ex zone if the following situa-
tions occur:
– You notice damage to the handset.
– If liquids have seeped into the handset.
• Repair a damaged handset immediately.
• Only service employees with Ex zone training and authorisation should repair and service
the handset.
• When swapping out a malfunctioning device/battery, the technician must return the mal-
functioning device/battery to the manufacturer while specifying the customer data.
• Inappropriate use of the handset will result in revocation of its certification for use in Ex
zones.
Battery pack:
• Only use the approved battery pack (see
Seite 121). Ex authorisation is only valid and
the handset can only be operated if this battery pack is installed. Other battery packs are
strictly prohibited. If they are used, Ex protection is no longer valid.
• Never open the handset battery compartment in an Ex zone. Battery pack removal, charg-
ing or transportation is not permitted in these zones.
Charging the battery pack:
• The battery pack may only be charged:
– Outside the Ex zone
– While inside the handset
– Using the supplied charging unit.
• The charging unit should only be used outside the Ex zone.
