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General| Brand | Dräger |
|---|---|
| Model | REGARD 39 0 Series |
| Category | Gas Detectors |
| Language | English |
Explains hazard warning signs and their classification.
Details text formatting and symbols used in the document.
Lists registered trademarks and their owners.
Provides an overview of the REGARD® 3900 series control units.
Defines the primary application of the control units for gas detection.
Specifies areas and conditions where the unit should not be used.
Lists certifications and standards the product complies with.
Provides an overview of the control unit's structure and power supply.
Describes the display screen, LEDs, and associated controls.
Details the input module's channels, alarms, and relays.
Explains the relay module's function for activating external devices.
Describes the output module's function for sending signals to external systems.
Outlines general safety and procedural guidelines for installation.
Provides instructions and diagrams for mounting the control unit.
Details the procedure for creating cable entry points.
Explains the use of a grounding plate for cable shielding.
Covers AC, DC, and combined power supply options for the unit.
Guides on combining and numbering control modules.
Explains wiring for various types of remote sensor transmitters.
Details connections for remote acknowledgement and external inputs.
Describes the LCD display, its information, and scrolling functions.
Explains the status indicated by alarm, fault, and activity LEDs.
Details the function of power and inhibit status LEDs.
Describes the internal sounder's operation during alarms.
Explains how external warning devices are activated.
Details the function of control buttons and remote acknowledgement.
Describes the procedure for testing unit LEDs and the display.
Provides general troubleshooting steps for common faults.
Addresses specific faults related to Polytron transmitters.
Covers the process of configuring and calibrating the control unit.
Details the configuration and calibration procedures for the 3920 model.
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