S&S Northern Merlin Series User Manual

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Merlin Gas Detectors
USER GUIDE
Gas Safety Products
Merlin Gas Detector
User Guide
Please read this guide carefully and retain for future use.
Rev: 15 05-19
1

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Summary of Contents for S&S Northern Merlin Series

  • Page 1 Merlin Gas Detectors USER GUIDE Gas Safety Products Merlin Gas Detector User Guide  Please read this guide carefully and retain for future use.  Rev: 15 05-19...
  • Page 2: Table Of Contents

    Merlin Gas Detectors USER GUIDE Table of Contents General Information ..................3 Installation & Operation ..................4 Mounting ........................4 Positioning ........................4 Fixed Unit Location Recommendation ..............4 Installation ........................4 Audible Alarm Switch ....................4 Power Supply ......................... 5 Alarm Relay ........................
  • Page 3: General Information

    Merlin Gas Detectors USER GUIDE General Information S&S Northern supply a full range of remote gas detectors that are compatible with our range of Merlin panels. These consist of carbon monoxide (CO), natural gas (NG), liquid petroleum gas (LPG) and hydrogen (H) detectors.
  • Page 4: Installation & Operation

    Merlin Gas Detectors USER GUIDE Installation & Operation Mounting The detector is designed to be wall mounted. Removing the back plate gives access to the circuit board. Do not attempt to remove the Circuit Board! This will void any warranty. Do not obstruct the vents located on the detector.
  • Page 5: Power Supply

    Merlin Gas Detectors USER GUIDE Power Supply A 12 – 24VDC electrical supply should be supplied to the panel and should be connected to the terminals marked [POWER + -]. Alarm Relay Our range of Merlin Gas Detectors can work with various Merlin systems. If you are using our GDP range you will need to use the [C/L] terminal as an alarm relay whereas on most other systems gas detectors should be wired to the gas detector terminal on the Merlin panel using the [N/C] &...
  • Page 6: Detector Specification

    Merlin Gas Detectors USER GUIDE Detector Specification Power supply 7-30VDC, 80mA max Methane/LPG/Hydrogen - Semiconductor Type Gas Sensor Carbon Monoxide – Electro-Chemical Type Methane 300-10000 ppm LPG 300-10000 ppm Typical Measuring Range Carbon Monoxide 10-10000 ppm Hydrogen 100-10000 ppm Power Up - Warm Up Time 1 minute Methane 8% Lower Explosive Limit (LEL) LPG 0.16% BV (by volume of air)
  • Page 7: Wiring

    Merlin Gas Detectors USER GUIDE Wiring Wiring example to compatible merlin panels [+ -] POWER SUPPLY, Positive & Negative connection from Merlin panel. [CL] ALARM RELAY, Alarm signal to GDP panel. [N/C] Normally Closed. [COM] Alarm relay, Common. [N/O] Alarm relay, Normally Open. For more information, contact your supplier.
  • Page 8: Manufacturer's Warranty

    Merlin Gas Detectors USER GUIDE Manufacturer’s Warranty 3 Year Limited Warranty Warranty coverage: The manufacturer warrants to the original consumer purchaser, that this product will be free of defects in material and workmanship for a period of three (3) years from date of purchase. The manufacturer’s liability hereunder is limited to replacement of the product with repaired product at the discretion of the manufacture.

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