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Summary of Contents for AGS Mini Merlin CH4CO
- Page 1 MINI MERLIN CH4CO USER GUIDE Mini Merlin CH4CO Dual Gas Monitor Methane (Natural Gas) & Carbon Monoxide User Guide Please read this guide carefully and retain for future use. Rev: 08 05-19...
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Page 2: Table Of Contents
MINI MERLIN CH4CO USER GUIDE Table of contents About your new Mini Merlin device ............. 3 Carbon Monoxide (CO) – General Information ........ 4 Natural Gas / Methane (CH ) – General Information ....... 5 Features ....................6 Technical Specification ................. 7 Installation &... -
Page 3: About Your New Mini Merlin Device
MINI MERLIN CH4CO USER GUIDE About your new Mini Merlin device Your new Mini Merlin is a dual gas sensor carefully designed and tested to monitor levels of natural gas- Methane (CH ) and Carbon Monoxide (CO) in the air. -
Page 4: Carbon Monoxide (Co) - General Information
Vehicles and other combustion engines running in open or confined spaces. Burning charcoal or fuel in grills in an enclosed area or near the home. For more information, please visit our website or contact your local AGS distributor. Rev: 08 05-19... -
Page 5: Natural Gas / Methane (Ch ) - General Information
LEL% (a percentage of the LEL) and will alarm based on the following principle of gas detection. In simplified terms, a level of 8% LEL or less on your device is generally considered safe and acceptable. For more information, please visit our website or contact your local AGS distributor. Rev: 08 05-19... -
Page 6: Features
MINI MERLIN CH4CO USER GUIDE Mini Merlin Features REMOTE SHUT OFF If this device is connected to remote shut off devices (optional). When activated, the digital display will indicate that it/they are activated and will shut off the gas supply if installed and configured to do so. -
Page 7: Technical Specification
MINI MERLIN CH4CO USER GUIDE Specification Power Supply 110-120VAC, 50-60Hz (Max 3.1VA without load) NG: semiconductor Gas Sensor Type CO: electrochemical NG: 500 ~ 10,000ppm Typical Sensor Measuring Range CO: 0 ~ 1000ppm Accuracy @ 25 ̊ C (77 ̊ F ) ±... -
Page 8: Installation & Location
MINI MERLIN CH4CO USER GUIDE Installation & Location This device is designed for surface mounting using 2 mounting screws (not supplied) and MUST be installed by a licensed insured contractor. Mark the location of the two holes needed on the wall using the back plate as a template. Placing at eye level allows for optimum monitoring of the digital display screen, or as guide, 5 feet (1.5 meters) from ground level. -
Page 9: Mini Merlin Circuit Board
MINI MERLIN CH4CO USER GUIDE Mini Merlin Circuit Board 1. POWER/LINE IN –Mains electrical power input. 110-120v AC 2. VALVE OUT – Gas solenoid valve power output. 110-120v AC 3. AUTO RESET & BUZZER SWITCH – See table below. 4. CO BMS – This will switch when CO reaches the alarm level. -
Page 10: Power On & Off
MINI MERLIN CH4CO USER GUIDE Power On & Off How to turn your device ON Supply 110-120vAC mains to the [POWER/LINE IN] terminal. Press and hold the touch button on the front of the unit for 3 seconds. - Page 11 MINI MERLIN CH4CO USER GUIDE Appliance Limit Circuit The device can be used to directly shut down a gas appliance when a fault condition is detected (gas leak), by wiring the normally closed (NC) and common (COM) terminals of the low volt BMS switches into the low voltage safety limit circuit of the appliance.
- Page 12 MINI MERLIN CH4CO USER GUIDE Pilot Water Heater and Boiler Limit Breaker. The device can be used to directly shut the pilot of a water heater using a product from Field Controls. The BMS terminals may also be used to connect to a home alarm system.
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Page 13: Audible Alarm Characteristics
MINI MERLIN CH4CO USER GUIDE Audible Alarm Characteristics NO ALARM – Gas concentration levels are safe. PRE- ALARM – ALARM will ‘Beep’ every 15 seconds / Attention required. ALARM – Continuous ALARM sound / Immediate attention required. Maintenance TESTING To test your device, press and hold the Touch Button for 3 seconds – this will test the audible alarm, gas indicators and BMS relays. - Page 14 MINI MERLIN CH4CO USER GUIDE Rev: 08 05-19...
- Page 15 MINI MERLIN CH4CO USER GUIDE Rev: 08 05-19...
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Page 16: Manufacturer's Warranty
MINI MERLIN CH4CO USER GUIDE Manufacturer’s Warranty 2 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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