S&S Northern Merlin 1000VW+ Installation, Operating And Maintenance

S&S Northern Merlin 1000VW+ Installation, Operating And Maintenance

Gas proving, electric & water isolation system
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Merlin 1000VW+
Product Data Sheet
Gas Safety Products
Merlin 1000VW+ Gas Proving, Electric & Water Isolation System
Installation, operating and maintenance
20/01/2017
S&S Northern Ltd
1

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Summary of Contents for S&S Northern Merlin 1000VW+

  • Page 1 Merlin 1000VW+ Product Data Sheet Gas Safety Products Merlin 1000VW+ Gas Proving, Electric & Water Isolation System Installation, operating and maintenance 20/01/2017 S&S Northern Ltd...
  • Page 2: Table Of Contents

    Merlin 1000VW+ Product Data Sheet Table of contents General information ..................3 Installation ......................3 Panel Mounting....................... 3 Mains Supply........................3 Gas solenoid valve......................3 Electric Contactor......................3 Water Valve........................3 BMS Connections......................3 Gas Pressure Transducer....................3 Timeout Facility.
  • Page 3: General Information

    Merlin 1000VW+ Product Data Sheet General information The Merlin 1000VW+ is an Electric and Water utilities isolation panel with gas proving and ventilation interlocking. The system comprises of a control panel and a gas pressure sensor. The Merlin 1000VW+ can receive connections from remote air pressure differential switches or external current monitors, remote emergency shut-off buttons, gas detectors and a CO2 monitor.
  • Page 4: Remote Emergency Shut Off Buttons

    Merlin 1000VW+ Product Data Sheet On Auto-shut down gas supply will be turned Off. There are two blue dip-switches located on the inside facia of the Merlin 1000VW+ labelled “Electric” and “Water”. They are factory set in the ‘off’ position. On installation, they can be switched to the ‘on’...
  • Page 5: Gas On Led

    Merlin 1000VW+ Product Data Sheet Gas on LED When the gas service touch button has been activated the Merlin 1000VW+ will check the installation for gas leaks. If gas proving is successful, the gas valve will open and the green ‘Gas On’...
  • Page 6: Co2/Gas Detected Led

    Merlin 1000VW+ Product Data Sheet CO2/Gas Detected LED Under normal working conditions this LED is off. If the external Merlin detector/ CO2 connected detects gas this will show RED and the Gas valve will turn off. OFF = OK RED = Gas detected / high ppm levels of CO2 Fan Fault LED Under normal working conditions this LED is off.
  • Page 7: Gas Fill And Prove Time

    Merlin 1000VW+ Product Data Sheet This is factory set in the ‘off’ position which instructs the system to shut down the fan(s) and gas supply on activation of the Emergency shut off button(s). On installation, this can be switched to the ‘on’ position if required. This will instruct the system to leave the fans on and only shut off the gas supply on activation of the Emergency shut off button(s).
  • Page 8: 1000Vw+ Wiring Diagram

    Merlin 1000VW+ Product Data Sheet 1000VW+ Wiring Diagram 12 13 10 11 Gas Detector/ CO2 Monitor Pressure Transducer L N E PD Switches or Current Switches Water Valve Gas Valve (Volt Free) Stop 1. Mains Input 230V Single Phase. 2. Gas Solenoid Valve Power Output, 230VAC, Max 3A. 3.
  • Page 9 Merlin 1000VW+ Product Data Sheet CONTACT US: S&S Northern Head Office Tel: +44(0) 1257 470 983 Fax: +44(0) 1257 471 937 www.snsnorthern.com info@snsnorthern.com South East Division Tel: +44(0) 1702 291 725 Fax: +44(0) 1702 299 148 south@snsnorthern.com Date Author Description Merlin 1000VW+ Product Data Sheet –...

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