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AGS Merlin 1000SW+ Manual

Gas, water & electrical isolation
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Merlin 1000SW+ Gas, Water & Electrical Isolation Controller
User & Installation Manual
Gas Safety Products
Merlin 1000SW+ Gas, Water & Electrical Isolation Controller
Installation, Operation and Maintenance

Read these instructions carefully before operating or servicing
Rev: 06 Date: 22-10-18
1

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Summary of Contents for AGS Merlin 1000SW+

  • Page 1 Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual Gas Safety Products Merlin 1000SW+ Gas, Water & Electrical Isolation Controller Installation, Operation and Maintenance  Read these instructions carefully before operating or servicing  Rev: 06 Date: 22-10-18...

  • Page 2: Table Of Contents

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual Table of contents GENERAL INFORMATION ................... 3 INSTALLATION & CONNECTION ................. 3 Panel Mounting ......................3 1000SW+ Circuit Board Terminals ................3 POWER [1] ........................4 GAS VALVE [2] ....................... 4 ELECTRIC CONTACTOR [3] ...................

  • Page 3: General Information

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual GENERAL INFORMATION The Merlin 1000SW+ is a gas shut off, gas detection, electrical isolation & water utility controller. The system comprises of a control panel and a gas pressure sensor. The Merlin 1000SW+ can receive connections from remote emergency shut-off buttons, gas detectors and a CO2 monitor.

  • Page 4: Power [1]

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual POWER [1] A 110-120VAC Single Phase electrical supply should be supplied to the panel. This should be externally fused at 3 Amps using a fuse or circuit breaker. GAS VALVE [2] This terminal provides a 110-120VAC 3 amp signal to the Gas solenoid valve.

  • Page 5: Gas Detector [8]

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual 2.10 GAS DETECTOR [8] These terminals are marked [+ -] and [ ] and should be volt free dry contact connections. These can be wired to various Merlin gas detectors. If no detector is being used, leave the terminal link in place.

  • Page 6: Operation

     POWER When the system is connected to the mains supply, the Red LED of the AGS Logo located in the bottom right corner of the panel will illuminate. When no power is present, this LED will not light up.

  • Page 7: Pressure Low

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual  PRESSURE LOW Under normal working conditions the LED is off. Th LED will illuminate AMBER when pressure of the gas supply drops below 0.17psi for 10 secs. The gas valve will close. OFF = OK AMBER = gas supply pressure low.

  • Page 8: Fire Alarm Intergration

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual FIRE ALARM INTERGRATION The Merlin 1000SW+ 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.

  • Page 9: Auto Reset

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual AUTO RESET The Merlin 1000SW+ has a built-in auto reset feature. There is a dip-switch located on the inside facia of the Merlin panel labelled [Auto Reset]. This is factory set in the ‘OFF’ position, this means, if you experience a power cut, the panel has to be restarted manually.

  • Page 10: 1000Sw+ Wiring

    Merlin 1000SW+ Gas, Water & Electrical Isolation Controller User & Installation Manual 1000SW+ WIRING Water Valve 1) [POWER] Mains Input 110-120VAC Single Phase. 2) [GAS VALVE] Gas Solenoid Valve Power Output, 110-120VAC, Max 3A. 3) [ELECTRIC CONTACTOR] Electric Contactor Power Output, 110-120VAC, Max 3A. 4) [WATER VALVE] Water valve output.
  • Page 11 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. Please contact your supplier or local authority for details of recycling schemes in your area. CONTACT US: AGS Head Office Tel: (727) 608-4375 Fax: (727) 538-4237 info@americangassafety.com American Gas Safety is the owner of this document and reserves all rights of modification without prior notice.