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Warsaw
BEFORE installing, read the USER MANUAL
in its entirety.
Proceed only if you have fully understood this
manual.
Keep this manual for reference by the User of the
gas detection system.
1.
Intended use, features, description
2.
Technical parameters
3.
Connecting DG.EN/M in DGDS
4.
Installation conditions
5.
DG.EN/M installation
6.
Maintenance/operation
Sensor module replacement
7.
Warranty terms and conditions
©gazex '2024. All rights reserved. Reproduction or copying, in whole or in part, without the permission of GAZEX is prohibited.
The 'GAZEX' logo and the 'gazex' name, as well as 'dex', 'Aktywny System Bezpieczeństwa Instalacji Gazowej' [Active Gas Installation Safety System],
USER MANUAL: DG.EN/M detector, edition 3aW4W5W6
USER
MANUAL
Edition: 3aW4W5W6
Work and Live SAFER with Us!
DG.EN/M
An economical, threshold gas detector,
with digital communication (addressable),
featuring a REPLACEABLE, intelligent
semiconductor or optical (Infra-Red) SENSOR
[W4], [W5], [W6] series
p.
2
6
7
9
10
14
15
16
ASBIG, are registered trademarks of GAZEX company.
©gazex'2024 v2406
©gazex
p. 1 /16
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Table of Contents
Related Manuals for gazex DG-22.EN/M
Summarization of Contents
Intended Use and Applications
Detector Component Description
Identifies key physical parts of the DG.EN/M detector, including inlets, glands, and labels.
System Connection and Wiring
Digital Bus Wiring Selection
Details on selecting appropriate bus wires based on cross-section, shielding, and type for digital communication.
Installation Site and Environmental Conditions
Optimal Installation Location
Determining the optimal location for detector installation based on gas type and environmental factors.
Methane, LNG, Hydrogen Installation
Specific installation height and placement for methane, LNG, and hydrogen detectors.
Carbon Monoxide (CO) Installation
Installation height and placement for carbon monoxide (CO) detectors.
LPG and Freon Installation
Installation height and placement for propane-butane (LPG) and HFC (freons) detectors.
Carbon Dioxide (CO2) Installation
Installation height and placement for carbon dioxide (CO2) detectors.
DG.EN/M Detector Installation Procedure
Mounting the Detector Unit
Procedure for physically mounting the detector in the designated location.
Cable Entry and Preparation
Steps for routing and preparing the cable for connection to the detector.
Wire Connection to Terminals
Detailed instructions for connecting wires to the detector's terminal blocks.
Bus Terminator Installation
Information on connecting load resistors (terminators) at the ends of the bus.
System Startup and Initialization
Overview of the system startup sequence and detector initialization.
Detector Network Addressing
Steps for assigning unique network addresses to detectors using supervisory modules or software.
Verifying Detector Network Address
Method to verify the assigned network address of a detector using its status lights.
Alarm Status and Output Testing
Procedure for testing detector response and controller output functionality.
Final Detector Cover Installation
Final step of closing the detector enclosure after wiring and setup.
Operation Verification
The final step in verifying the overall operation of the DG.EN/M detector.
Simplified System Test
Steps for performing a simplified output and optical signal test.
Sensor Response to Test Gas
Procedure for testing the sensor's reaction to specific test gases.
DG-22.EN/M CO Detector Gas Test
Specific test procedure for the DG-22.EN/M CO detector, including warm-up period.
Detector Maintenance and Operation
Sensor Cover Permeability Check
Periodic cleaning of the sensor cover to ensure proper gas detection.
System Operation Check
Regularly checking the system's functionality as per established procedures.
Post-Condition Periodic Checks
Triggers for performing periodic checks after specific operating conditions occur.
Sensor Sensitivity and Calibration
Recommendations for calibrating the detector due to potential sensor sensitivity changes over time.
Sensor Module Replacement
Sensor Module Removal Procedure
Step-by-step guide for carefully disconnecting and removing the sensor module.
Sensor Module Installation Procedure
Instructions for correctly installing a new or recalibrated sensor module.
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