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Summary of Contents for EsiWelma Sensigas ESN26.C
- Page 1 EsiWelma ® s.r.l. Rev. 02 – 11-12-2018 Via F.lli Canepa 134D-E 16010 Serra Riccó (Genova) Italy Sensigas Ph:+39 010 75421 1 Fax:+39 010 75421 78 ESN26.C e-mail: info@esiwelma.it Web:www.esiwelma.it General instructions ® EsiWelma s.r.l. EW117.602_En...
- Page 2 Once the alarm condition ceases, or below 50 ppm, for a time based on the speed of decent of the concentration, normal functioning of the detector is reinstated. EsiWelma ®...
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Page 3: Installation And Positioning
In closed spaces (behind curtains, inside cupboards etc.). The detector must be installed: On a wall in a position in which there is always natural air circulation. In an accessible position to allow easy checks and inspections. EsiWelma ® s.r.l. - 2 - E117.602_En... - Page 4 CO is chemically stable in the body and is eliminated with the air breathed out. Elimination is regulated by the same factors that determine its absorption. EsiWelma ® s.r.l. - 3 -...
- Page 5 • Convulsions and loss of consciousness • Coma, respiratory arrest, death. The action of the detector cannot protect individuals in particular risk categories such as people who suffer from cardiovascular disease, hyperthyroidism, respiratory disease etc.. EsiWelma ® s.r.l. - 4 -...
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Page 6: Technical Specifications
30 to 90% R.H. without condensation (storage max 95% R.H.) Dimensions 139mm x 98mm x 40mm Conformity to standard EN50291 conformity EMC Electromagnetic Compatibility 2014/30/UE – EN50270 Low voltage (LVD) 2014/35/UE – EN50291 EsiWelma ® s.r.l. - 5 - E117.602_En... - Page 7 Green LED board (power supply) for connecting up the solenoid valve Yellow LED (warm-up and sensor sensing element anomaly) Red LED fixing screws (gas alarm) cover EsiWelma ® s.r.l. - 6 - E117.602_En...
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Page 8: Electrical Connections
Fit the cover again, and tighten the fixing screw. Work carefully to avoid damaging the LEDs. Note: Do not touch the sensing element or the electronic circuit for any reason whatsoever. Any tampering may compromise correct functioning of the detector, as well as exposing people to a risk of electric shock. EsiWelma ® s.r.l. -
Page 9: Operating Check
It is advisable to repeat the operating test at least once a year, or after a prolonged period of stoppage and in any case, every time the detector is replaced. CAUTION: The average lifespan of an ESN26.C detector is 6 years, from the date of manufacture. EsiWelma ® s.r.l. -
Page 10: Operation
Open doors and windows to air the environment Look for and eliminate the cause of the alarm. If you are unable to determine and eliminate the cause of the alarm, exit the property and call emergency services from outside. EsiWelma ® s.r.l. - 9 -... -
Page 11: Functional States
In order to avoid the yellow LED flashing when the solenoid valve is not in use, a suitable load resistance will be fitted on the solenoid valve terminals in the factory. This resistance is only to be removed if the solenoid valve is used. EsiWelma ®... -
Page 12: Maintenance
Use local depots and waste recycling companies, or contact the supplier or manufacturer to return used products or to ask for information on environmental compatibility and waste disposal. The packaging for the ESN26.C can be reused. Keep it for future use or to return the product to the supplier. EsiWelma ® s.r.l. -
Page 13: Wiring Diagrams
(e.g. ESN16.. and ESN26..) for commanding just one solenoid valve. See the wiring diagrams below. Diagram 1: ESN26.C detector with N.O. solenoid valve 12VDC 230V AC N1 = ESN26.C Y1 = N.O. solenoid valve 12VDC LYA26.C ESN26.C NC NO EsiWelma ® s.r.l. - 12 - E117.602_En... - Page 14 ESN26.C detector with N.O. solenoid valve 230VAC ESN26.C detector air extractor command 230V AC 230V AC LYA26.C LYA26.C ESN26.C ESN26.C NC NO NC NO N1 = ESN26.C N1 = ESN26.C M1 = extractor Y1 = N.O. solenoid valve 230VAC EsiWelma ® s.r.l. - 13 - E117.602_En...
- Page 15 Max 9 ESN26.. detectors... in parallel with N:O: solenoid valve 12VDC Optional signal buzzer or lamp control 230V AC LYA26.. LYA26.. ESN26.. ESN26.. NC NO NC NO Max 9 LYA26.. ESN26.. N1 N9 = ESN26.. Y1 = N.O. solenoid valve 12VDC EsiWelma ® s.r.l. - 14 - E117.602_En...
- Page 16 Diagram 5: ESN26.C detector with UZY-ALE adapter and N.C. solenoid valve 12VDC 230V AC LYA26.. LZY-ALE UZY-ALE ESN26.C LYA20 NC NO N1 = ESN26.C Y1 = N.C. solenoid valve 12VDC U1 = UZY-ALE EsiWelma ® s.r.l. - 15 - E117.602_En...
- Page 17 Optional signal buzzer or lamp control. 230V AC LYA26.. LYA26.. LZY-ALE ESN26.. ESN26.. UZY-ALE LYA20 NC NO NC NO Max 9 LYA26.. ESN26.. N1 N9 = ESN26.. Y1 = N.C. solenoid valve 12VDC U1 = UZY-ALE EsiWelma ® s.r.l. - 16 - E117.602_En...
- Page 18 Replacement date……………………………………………. Installation premises…………………………………………. Date of manufacture…………………………………………. (printed inside the detector) Installer’s signature…………..……………………………… Seal Sensigas ® ESN26.C LYA26.C Note: Due to our policy of continuous product improvement, specifications are subject to change without notice. EsiWelma ® s.r.l. - 17 - E117.602_En...
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