DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
page 2/40 armtel.com
© Armtel info@armtel.com
SAFETY PROVISIONS
During installation and operation of DWEx, observe safety precautions laid out in local
regulations on electrical safety.
To avoid electric shock, do not:
− operate the product with a damaged power or communication cable;
− the interface cable can be connected and disconnected if the power cable is
disconnected.
The sign “X”, which placed after marking and ATEX certificate number, is indicates that
this equipment of protection system is subject to special conditions for save use:
– during operation, do not subject DWEx to mechanical impact (shock);
– external connections are made through certified Ex-cable glands with type “e”
protection for electrical equipment of subgroup II;
– used cable type and method of laying cable lines satisfy the requirements of
Chapter 7.3 PUE and GOST IEC 60079-14-2013 (EN 60079-14:2012).
WARNING: DO NOT OPEN WHEN NON-INTRINSICALLY SAFE CIRCUITS ARE
ENERGISED.
ATTENTION! VARIANT OF DWEX WITH 25W AMPLIFIER IS NOT DESIGNED FOR
“PHANTOM” POWER SUPPLY
In order to ensure fire safety, follow the following rules:
− before connecting the product to the power supply, make sure the power and
communication cables are properly insulated;
− protect power and communication cables from damage.
The safety provisions for specific operations described in this manual are marked with:
To Next Page
Loading...
