AGS Merlin 1500S User Manual
Gas & ventilation interlock system
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Also See for Merlin 1500S:
- User & installation manual (8 pages) ,
- Installation & operation manual (12 pages)
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Summary of Contents for AGS Merlin 1500S
- Page 1 Merlin 1500S User Guide Gas Safety Products Merlin 1500S Gas & Ventilation interlock system User Guide Please read this guide carefully and retain for future use. Rev: 07 05-19...
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Page 2: Table Of Contents
Merlin 1500S User Guide Table of contents General Information .................... 3 Panel Mounting....................... 3 Circuit Board Terminals ..................4 LINE VOLTAGE ........................4 VALVE OUT ........................4 SUPPLY FAN & EXTRACT FAN PD SWITCHES..............4 BMS OUT ........................... 4 EM REMOTE ........................ -
Page 3: General Information
User Guide General Information The Merlin 1500S is a ventilation interlock panel. The Merlin 1500S can receive connections from up to four external remote air pressure differential switches or current monitors, remote emergency shut-off buttons, gas detectors and a Merlin CO monitor. -
Page 4: Circuit Board Terminals
Merlin 1500S User Guide Circuit Board Terminals LINE VOLTAGE A 110-120VAC electrical supply should be externally fused at 3A and connected to the terminals marked [LINE VOLTAGE LNE]. VALVE OUT The 110-120VAC gas solenoid valve should be powered using the terminals on the Merlin 1000S detailed [VALVE OUT LNE]. -
Page 5: Gas Detector
Merlin 1500S User Guide GAS DETECTOR These connections can be wired to a Merlin gas detector (LPG, natural gas or carbon monoxide) as shown. If no detector is being used leave the link in between the “ ”. Refer to your detector guide for more information. -
Page 6: Installation & Operation
The Fan Switch provides the facility to turn on the fan(s) when the key switch on the Merlin 1500S is in the on position and turn the power off to the fan(s) when the key switch on the Merlin 1500S is in the off position. -
Page 7: Fire Alarm Integration
User Guide Fire alarm integration The Merlin 1500S can be integrated with a fire alarm to close the gas supply automatically in the event of a fire. The volt free fire alarm signal can be wired in series with any remote emergency shut off buttons. -
Page 8: Panel Led Status
When no power is present, this LED will not light up. Gas On When the fans are running at the correct speed and the key switch is turned on, the Merlin 1500S will open the gas valve and the green ‘Gas On’ LED will illuminate. ON = Gas On OFF = Gas Off ... - Page 9 Merlin 1500S User Guide Fan Fault Under normal working conditions this LED is off. If a fan fault is present for more than 20 seconds, the LED will illuminate RED. OFF = OK ON = the gas supply has been shut off due to a ventilation fault.
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Page 10: 1500S Wiring Spec
Merlin 1500S User Guide 1500S Wiring Spec LINE VOLTAGE: Mains Input 110-120VAC. Single phase VALVE OUT: Gas Solenoid Valve Power Output, 110-120VAC. Max 3A SUPPLY FAN 1 and 2 external pressure differential switch or current switch. VOLT FREE INPUT EXTRACT FAN 1 and 2 external pressure differential switch or current switch. VOLT FREE INPUT BMS OUT contacts. - Page 11 Merlin 1500S User Guide Rev: 07 05-19...
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Page 12: Manufacturer's Warranty
Merlin 1500S 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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