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Merlin 1500S Gas Interlock System User & Installation Manual Gas Safety Products Merlin 1500S Gas Interlock System Installation, operating and maintenance Rev: 03 Date: 08-01-18...
Merlin 1500S Gas Interlock System User & Installation Manual Table of contents General information ................3 Installation ....................3 Panel Mounting....................3 Mains Supply......................3 Gas solenoid valve....................3 Supply Fan & Extract Fan PD Switches............. 3 BMS Connections.
Remote emergency shut off buttons. The terminal for remote emergency shut-off buttons is detailed on the circuit board as [EM REMOTE]. These connections are linked out as a factory setting. Remote emergency shut-off buttons should be volt free and wired to the Merlin 1500S using two-core cable.
OFF = No power to 1500S, a loose ribbon connection or the fuse may not be intact. Gas On LED 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.
5 seconds. The Fan Fault LED will go off and CO Mode LED will come on. In this mode, the Merlin 1500S will monitor only the CO levels to ensure there is a safe working environment. This mode will allow the gas valve to open for 8...
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.
Merlin 1500S Gas Interlock System User & Installation Manual 1500S Wiring Diagram Mains Input 110-120VAC. Gas Solenoid Valve Power Output, 110-120VAC. 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 output contacts.
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Merlin 1500S Gas Interlock System User & Installation Manual INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF ELECTRICAL & ELECTRONIC EQUIPMENT When this product has reached the end of its life it must be treated as Waste Electrical & Electronics Equipment (WEEE). Any WEEE marked products must not be mixed with general household waste, but kept separate for the treatment, recovery and recycling of the materials used.
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