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Read the USER MANUAL in its entirety
BEFORE installation.
Proceed with the installation once
you have fully understood this Manual.
To ensure safety during installation
and operation of the module,
comply with the recommendations
and warnings in this User Manual bearing this symbol.
Keep this Manual for reference by the User
of the two-threshold gas detection system.
1.
Intended use and matching table
2.
Technical parameters
3.
Description and method of connecting MD
in the system
4.
MD installation
PROBLEMS? Useful information
5.
Maintenance/operation
6.
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
MD-2(4)... Alarm Module User Manual – edition 5W1W2
A
LARM MODULE
USER
MANUAL
Work and Live Safer with Us!
MD-2
MD-2.A
MD-4
MD-4.A
edition 5W1W2
System], ASBIG, are registered trademarks of GAZEX company.
©gazex '2024 v2406
[ W1 ], [ W2 ] series
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Related Manuals for gazex MD-2.A Series
Summary of Contents for gazex MD-2.A Series
- Page 1 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], ASBIG, are registered trademarks of GAZEX company.
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Page 2: Intended Use
DEX /F, DG/F, and DG.EN types, manufactured by GAZEX, for use in a Two-Threshold Gas Detection System. In the following sections of this Manual, each of the said modules will be referred to as the ‘MD’ or simply the ‘module,’... -
Page 3: Technical Parameters
215 x 240 x 115 mm (H x W x D in installation position); approx. 1.5 kg Enclosure ABS, 6 cable gland entries, IP54, 3-point mounting MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 3 / 14... - Page 4 12V ALARM INPUTS (terminal ‘ _ ’ [19])! Fig. 3.2. Overview of the terminal chamber – electrical connections MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 4 / 14...
- Page 5 NORMAL(0) – The concentration of gases in all connected detectors is below the A1 and A2 thresholds; only the green lights are on: [ZASILANIE] (power) of the connected detectors and [ZASILANIE MODUŁU] (module power). MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 5 / 14...
- Page 6 Visual and sound memory of BEZ PAM. alarm statuses on inputs and Memory active Memory disabled outputs – Standard position in a factory-new MD MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 6 / 14...
- Page 7 (**) – 12V alarm inputs labelled A1 and A2 are independent of each other Light status explained: 0 = off, 1 = on, 1/0 = flashing slowly, x = any (resulting from system configuration or previous statuses). MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 7 / 14...
- Page 8 Mains voltage from different phases or low-voltage circuits can be connected to the A1 and A2 contact outputs. Only low-voltage circuits (maximum 30 VAC or 24 VDC) can be connected to the FAILURE contact output. (AWARIA) MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 8 / 14...
- Page 9 230 VAC power circuit (disconnecting both supply wires, e.g. SW-20 from the GAZEX range) must be included in the power circuit to the MD. The MD does not require earthing and does not have a protective terminal.
- Page 10 - Securely close the transparent module cover. - It is recommended to seal the module covers (to limit access to the MD by unauthorised persons). MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 10 / 14...
- Page 11 If any effects other than those listed above are observed, contact the Authorised Service Centre or the Manufacturer. MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 11 / 14...
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Page 12: Maintenance / Operation
C. Reduced frequency of periodic SYSTEM inspections every 12 months: - for systems with detectors operating in normally clean atmospheres and stable conditions, and - for systems containing a small number of detectors/devices. MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 12 / 14... - Page 13 It should be transferred to a specialised waste collection point. This is why it was marked with a special symbol: Proper waste disposal protects against the adverse effects on human health and the environment. MD-2(4)… Alarm Module User Manual – edition 5W1W2 ©gazex ’2024 v2406 Page 13 / 14...
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Page 14: Warranty Terms And Conditions
SGG3Y+ available at www.gazex.pl. Selected extracts from the SGG3Y+ terms and conditions: … 1. GAZEX guarantees the efficient operation of devices of its own manufacture for the period up to the end of the year in which the device was manufactured and for another three years.
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