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Installation, Operation & Maintenance Manual
Merlin Detector i-S
Gas Detector i-S – Carbon Monoxide (CO)
Models: CO-TWA / CO-PSA / CO-50 / CO-35
Safe Area - General Gas Detection
Installation, Operation & Maintenance
Please read this manual carefully and retain for future use.
For specific requirements that may deviate from the information in this guide – contact your supplier.
agscontrols.com
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Iss: 5
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Table of Contents
Summary of Contents for AGS Merlin Detector i-S CO-TWA
- Page 1 Installation, Operation & Maintenance Manual Merlin Detector i-S Gas Detector i-S – Carbon Monoxide (CO) Models: CO-TWA / CO-PSA / CO-50 / CO-35 Safe Area - General Gas Detection Installation, Operation & Maintenance Please read this manual carefully and retain for future use. For specific requirements that may deviate from the information in this guide –...
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Page 2: Table Of Contents
Installation, Operation & Maintenance Manual Merlin Detector i-S Contents Important Warning Statements..............3 Installation......................4 Typical Application & Location ....................4 Mounting & Cabling ......................... 5 Circuit Board Overview ......................6 Wiring: Power Input........................6 Wiring: Alarm Relays........................ 7 Alarm Relay Setting Switch – Latch On/Off................7 Wiring: 0-10V Analogue Output ..................... -
Page 3: Important Warning Statements
At the end of their working life, electrochemical sensors should be disposed of in an environmentally safe manner. Alternatively, they can be securely packaged and returned to AGS clearly marked for disposal. Electrochemical sensors should not be incinerated as this may cause the cell to emit toxic fumes. -
Page 4: Installation
Installation, Operation & Maintenance Manual Merlin Detector i-S Installation Typical Application & Location Installation must be carried out by a licenced, insured contractor! Ensure that detectors are not exposed to liquid or dust contamination! Detectors and cables must be protected against mechanical damage! Avoid conditions of any other environmental factors outside of the specification that could potentially impede the accuracy and operation of the detector such as condensation;... -
Page 5: Mounting & Cabling
Installation, Operation & Maintenance Manual Merlin Detector i-S Mounting & Cabling If mounting direct to wall - ensure the wall surface is flat to prevent base distortion! Ensure the rear base is installed in the correct orientation as shown! Where cable glands/conduits are used for wire entry, use 20mm (3/4 inch) max separated by at least 20mm! Any parts that form part of the connections/installation must have a minimum fire-retardant rating of UL94v-2! Damage to PCBs when creating cable entry points or attempting to remove the circuit board may void any warranty! The monitor is designed for either surface mounting or mounted on a one or two gang electrical box. -
Page 6: Circuit Board Overview
Installation, Operation & Maintenance Manual Merlin Detector i-S Circuit Board Overview Damage to PCBs when creating cable entry points may void any warranty! Any damage attempting to remove the circuit board may void any warranty! A disconnector is required and accessible for the 24V supply and an adequate overcurrent device is fitted! Wiring: Power Input Standalone Power Power can be provided either 24Vac or... -
Page 7: Wiring: Alarm Relays
Installation, Operation & Maintenance Manual Merlin Detector i-S Wiring: Alarm Relays These are dry contact connections to a BMS (building management systems) or Merlin panel to send an alarm signal upon pre/alarm levels of gas. Max 1A load @ 12/24Vdc or ac. If you are connecting detector(s) via a GDP panel you will need to use the [C/L] terminal as an alarm relay. -
Page 8: Operation
Installation, Operation & Maintenance Manual Merlin Detector i-S Operation Initial Power Up On connecting power, the detector enters a warmup phase for approximately 60 seconds – during this period, software and model version is displayed. Pre-Alarm Main Alarm Latched Relay Alarm & Reset The switch is left off as a factory set condition! The detector will indicate a red dot on the screen when the alarm relay has latched. -
Page 9: Maintenance
What do I need? Contact your AGS representative for details of suitable bump testing kits and gases. Kits usually consist of a certified gas cylinder or spray. We recommend only using AGS calibration gas kits to ensure correct flow rates meet AGS technical requirements. -
Page 10: Bump Test Procedure
Installation, Operation & Maintenance Manual Merlin Detector i-S Bump Test Procedure To increase reaction time, cover the escape vents at the sides of the device. Always remove the regulator/valve if using a cylinder after use! Always give at least five (5) minutes between testing the same unit or until gas has fully dispersed! Always consider safety and use equipment in accordance with Safety Data Sheets! Reference should always be given to any applicable national &... -
Page 11: Specification
Installation, Operation & Maintenance Manual Merlin Detector i-S Specification General Product: Detector i-S CO-TWA CO-PSA Models: CO-50 CO-35 Target Gas: Carbon Monoxide - CO Size: (H x W x D) 5.95 x 4.37 x 1.97” (151 x 111 x 50mm) Housing Material: ABS PA765. - Page 12 Every effort is made to ensure the accuracy of this document; however, AGS can assume no responsibility for any errors or omissions in this document or their consequences. AGS would greatly appreciate being informed of any errors or omissions that may be found in the content of this document.
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