S&S Northern Merlin 500S User Manual

Utility isolation controller. gas safety products

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Merlin 500S
User Guide
Gas Safety Products
Merlin 500S
Utility Isolation Controller
User Guide
Please read this guide carefully and retain for future use.
Rev: 02
05-19
1

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Summary of Contents for S&S Northern Merlin 500S

  • Page 1 Merlin 500S User Guide Gas Safety Products Merlin 500S Utility Isolation Controller User Guide  Please read this guide carefully and retain for future use.  Rev: 02 05-19...
  • Page 2: Table Of Contents

    Merlin 500S User Guide Table of contents General Information ..................3 Panel Mounting ......................3 Circuit Board Terminals ..................4 POWER ........................... 4 UTILITY 1 .......................... 4 BMS OUT ......................... 4 EM REMOTE ........................4 FIRE PANEL ........................4 Installation & Operation ..................5 System On and Off .......................
  • Page 3: General Information

    User Guide General Information The Merlin 500S is an isolation panel with UTILITY output. The 500S is designed to provide an effective way of isolating gas, water, electricity, oil etc. by means of a key switch on the panel or by the operation of the emergency shut off button.
  • Page 4: Circuit Board Terminals

    The terminal for fire alarms is detailed on the circuit board as [FIRE PANEL]. This connections is linked out as a factory setting. Fire alarms should be volt free and wired to the Merlin 500S using two-core cable. Rev: 02...
  • Page 5: Installation & Operation

    Fire Alarm Integration The Merlin 500S can be integrated with a fire alarm to close the utility 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 6: Panel Led Status

    Merlin 500S User Guide Panel LED status  Power When the system is connected to the mains supply, the Power LED will illuminate. When no power is present, this LED will not light up. RED = OK OFF = No power to 500S or the fuse may not be intact.
  • Page 7: S Wiring Spec

    Merlin 500S User Guide 500S Wiring Spec 1. UTILITY 1: Power Output, 100-240VAC, Max 3A. 50-60Hz 2. POWER: Mains electrical Input 100-240VAC Single Phase. 50-60Hz 3. AUTO RESET & BMS selection switch. 4. EM REMOTE: Remote emergency stop buttons and Fire Alarm input wired in series (purchased separately).
  • Page 8: Manufacturer's Warranty

    Merlin 500S 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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