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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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Related Manuals for gazex W4 Series
Summary of Contents for gazex W4 Series
- Page 1 ©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
Changing operating modes, delay times, address assignment or change using DETnet View 1.2 software (or higher); (current software version available at www.gazex.pl); Multifunctional button inside the enclosure (address confirmation, test triggering, clearing alarm and fault information, and possible address reset);... - Page 3 0.2 s); very fast – frequency of 5 Hz (the light status changes every 0.1 s). If you observe any effects different from those mentioned above, please contact the Authorised Distributor or Manufacturer. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 3 /16...
- Page 4 ▪ Next, the NET lamp will indicate the units digit of the address number with blinks: one long blink = 0 or the number of short blinks = the units digit in the address number. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6...
- Page 5 3 to 5% LELfor explosive gases or above the A1 threshold concentration of a detector calibrated for toxic gases – this may cause the effects described above. The use of gases with uncontrolled concentrations for testing the detector’s operation is NOT permitted! ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 5 /16...
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Page 6: Technical Parameters
DG-61.EN/M: HFC(freons), range approx. 500 to 3,000 ppm DG-73.EN/M: hydrogen, range 5 to 40 %LEL; DG-8R8.EN/M: CO2, range 400 to 5,000 ppm; Diffusive (‘Tg3’ gas permeability class of the sensor cover [according to GAZEX Measurement method classification]), cyclical every 1 to 10 s (depending on model) - Page 7 - for a single-wire bus: one cable ‘R4’ (for longer connections, two power pairs, e.g., YTKSY ekw 4x2x0.8) or ‘R3’ (for shorter connections, one power pair, e.g., YTKSY ekw 3x2x0.8). ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 7 /16...
- Page 8 When connecting, it is essential to adhere strictly to the bus wire colour coding shown in the figure above. This will ensure correct connection to the communication-power bus. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 8 /16...
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Page 9: Installation Conditions
All the factors mentioned above should be taken into account when deploying the detectors. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 9 /16... - Page 10 5.2.1. The detector is supplied with pre-installed terminal blocks on all inputs. The terminal blocks can be removed from the connection pins to facilitate wiring. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 10 /16...
- Page 11 Proper operation of the DG.EN/M in the system is indicated by a constantly lit ‘POWER’ light and occasional single flashes of the ‘NET’ light (every few to several seconds – as queried by the MDD- 256/T). ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 11 /16...
- Page 12 Ensure that the detector is properly powered, correctly signals communication with the controller, and that the warm-up cycle has completed (with the green ‘POWER’ light continuously on). ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 12 /16...
- Page 13 Record the date and any comments regarding the startup in the Periodic Inspection Record – the template is available at www.gazex.pl. After a positive result from this test, the DG.EN/M Detector...
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Page 14: Maintenance / Operation
Periodic Inspection Record (template downloadable from www.gazex.pl) on pain of losing warranty rights; D) – as the semiconductor gas sensor may have a natural tendency for increased sensitivity over time, an excessive lowering of the alarm thresholds may occur after a period of approximately 3 years of operation (see Technical Parameters –... - Page 15 Install the enclosure cover so that the foam gasket of the grey sensor cover is precisely aligned with the ventilation hole of the cover. Once the power is switched on, the green indicator [POWER] should flash for about 30 sec. and then be on continuously. ©gazex’2024 v2406 USER MANUAL: DG.EN/M detector, edition 3aW4W5W6 p. 15 /16...
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Page 16: Warranty Terms And Conditions
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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