The Merlin 1000S is a gas shut off & gas detection utility controller. The system comprises of a control panel and a gas pressure sensor. The Merlin 1000S can receive connections from remote emergency shut-off buttons, gas detectors and a CO2 monitor.
Merlin 1000S User & Installation Manual Gas Utility Controller INSTALLATION & CONNECTION [POWER L N E] Mains Power Supply A 110-120VAC Single Phase electrical supply should be supplied to the panel. This should be externally fused at 3 Amps using a fused or circuit breaker.
Merlin 1000S User & Installation Manual Gas Utility Controller [PRESSURE SENSOR] Gas Pressure Transducer The terminals marked pressure sensor “+ - IN “.These wire to the gas pressure transducer which is screwed into the downstream port on the gas solenoid valve (see wiring below).
Operates at 65dB measured 30cm from closed panel. Panel Timeout Facility The Merlin 1000S has a built-in Auto-shut down feature and it will turn itself off after a predefined time. Auto-shut down timeout is selectable. There are two Dip-Switches located on the inside facia of the Merlin 1000S labelled [Time1] and [Time2].
OFF = No power to 1000S, a loose wire/ribbon connection or the fuse may not be intact. GAS ON When the key switch is turned on, the Merlin 1000S will check the installation for gas leaks. If gas proving is successful, the gas valve will open and the GAS ON LED will illuminate.
Fire Alarm Integration The Merlin 1000S can be integrated with a fire alarm to shut 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.
Once selected - please remove power from the fuse spur for 10 seconds. Auto-Reset The Merlin 1000S has a built-in auto reset feature. There is a dip- switch located on the inside facia of the Merlin 1000S labelled [Auto Reset].
Merlin 1000S User & Installation Manual Gas Utility Controller 1000S WIRING DIAGRAM [LNE POWER] Mains Input 110-120VAC Single Phase. [LNE GAS VALVE] 110-120VAC, Max 3A. [BMS OUT] Max.1A @ 120VAC. [PRESSURE SENSOR] Gas Pressure Transducer input. [EM REMOTE] Remote EM Stop buttons and Fire Alarm input wired in series (sold separately).
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Merlin 1000S User & Installation Manual Gas Utility Controller 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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