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ABSTRACT Brief Description The Advanced Discovery System (in short: ADICOS) is used for early detection of fire sce- narios in the industrial environment. It comprises different, independent detector units that enable interference-resistant fulfillment of the detection objective defined during planning via suitable layout and parameterization.
About this manual Objective This manual describes the special requirements on installation, wiring, commissioning, and operation of ADICOS detectors for explosive atmospheres. They are exclusively addressed to knowledgeable specialist personnel (–› Chap. 2, Safety instructions). Explanation of symbols This manual features a continuous structure for best possible comprehension. The following labels are used.
• Read and follow these instructions carefully! Intended use ADICOS X20-Detectors are designated for the detection of fire scenarios in potentially explo- sive atmospheres of zones 20, 21, and 22. In this context, the operating parameters described in Chap. 8, »Specifications« must be met. Any deviating use requires prior consultation with the manufacturer.
Handling electrical voltage DANGER! Risk of explosion due to electrical voltage in hazardous areas. The electronics of ADICOS X20-Detectors works with an electrical voltage that can trigger an explosion in potentially explosive atmospheres. • Do not open enclosure! • De-energize the entire detector system and secure against unintentionally...
Overview Description Detector enclosure Signal Dome Ex cable gland Ready-made ADICOS connection cable Cable assignment Wire Color Signal Signal limit contact black Operating voltage 24 ... 40 V DC non-polarized white black...
The signal dome is a translucent element. It includes the status LED to indicate the operating condition of the X20 detectors. The light signals of the ADICOS X20-Detectors are identical to the signals of the non-Ex ADICOS detectors. Normal Operation = “green”...
DANGER! Risk of explosion due to electrical voltage in hazardous areas. The electronics of ADICOS X20-Detectors works with an electrical voltage that can trigger an explosion in potentially explosive atmospheres. • Do not open enclosure! Mount the device with closed housing! •...
Wiring DANGER! Risk of explosion due to electrical voltage in hazardous areas. The electronics of ADICOS X20-Detectors works with an electrical voltage that can trigger an explosion in potentially explosive atmospheres. • Do not open enclosure! • De-energize the entire detector system and secure against unintentionally reactivation for all wiring work! •...
Detector replacement DANGER! Risk of explosion due to electrical voltage in hazardous areas. The electronics of ADICOS X20-Detectors works with an electrical voltage that can trigger an explosion in potentially explosive atmospheres. • Do not open enclosure! • De-energize the entire detector system and secure against unintentionally reactivation for all wiring work! •...
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