S&S Northern MERLIN WLMZ4 Installation & Operation Manual

S&S Northern MERLIN WLMZ4 Installation & Operation Manual

4-zone water leak detection controller

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Installation & Operation Manual
S&S Northern provide a range of detection panels which can be used in many applications such as factories, server
rooms, shopping centres and boiler houses. The WLMZ4 is used with up to six (6) Water Leak Monitors in a single
cable run for detection of water leaks in zones.
The information contained within this manual should be referenced for typical installation and operation only.
For specific requirements that may deviate from the information in this guide – contact your supplier.
Rev: 2 02-24
MERLIN WLMZ4
4-Zone Water Leak Detection Controller
Installation, Operation & Maintenance
Please read this manual carefully and retain for future use.
Merlin WLDZ4
1

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Summary of Contents for S&S Northern MERLIN WLMZ4

  • Page 1 Installation & Operation Manual Merlin WLDZ4 MERLIN WLMZ4 4-Zone Water Leak Detection Controller  Installation, Operation & Maintenance Please read this manual carefully and retain for future use. S&S Northern provide a range of detection panels which can be used in many applications such as factories, server rooms, shopping centres and boiler houses.
  • Page 2: Table Of Contents

    Installation & Operation Manual Merlin WLDZ4 Contents Important Warning Statements ................. 3 Installation ........................4 Typical Application, Location & Positioning ................4 Access & Mounting ........................4 Internal Board Overview ......................4 Board Connections Overview ..................... 5 Wiring your Detector ........................5 BMS Switch ..........................
  • Page 3: Important Warning Statements

    Installation & Operation Manual Merlin WLDZ4 Important Warning Statements Where this symbol is used, the manual must be consulted to understand the nature of any potential hazards and how to avoid them. Before any installation, use or maintenance read this manual carefully. The information contained within this manual should be referenced for typical installation and operation only.
  • Page 4: Installation

    Typical Application, Location & Positioning The Merlin WLMZ4 is a 4-zone water detection panel which can be used in many applications such as factories, shopping centres, boiler houses and most commonly – server rooms. It can be used with up to 12 Merlin Water Leak Detection Monitors (3 monitors per zone terminal) for detecting water leaks.
  • Page 5: Board Connections Overview

    Installation & Operation Manual Merlin WLDZ4 Board Connections Overview POWER/LINE IN 100-240vac mains power is supplied to the [POWER/LINE IN] connector using a 3-core cable fused at 3A. On connecting the mains supply to the panel the power LED indicator will light up – this is located on the front.
  • Page 6: Auto Reset Switch

    Installation & Operation Manual Merlin WLDZ4 Auto Reset Switch The panel has a built-in auto reset feature. There is a dipswitch located on the circuit board labelled [AUTO RESET]. This is factory set in the ‘Off’ position i.e. when power is restored after a power cut or loss, the panel has to be restarted manually.
  • Page 7: Led Indicator Status

    Installation & Operation Manual Merlin WLDZ4 LED Indicator Status Power Power LED will illuminate RED when power is supplied. When no power is present, this LED will not light up. Water On On start up, if no water leak or any other alarms are detected, the water valve will open and the Water On LED will illuminate.
  • Page 8 Installation & Operation Manual Merlin WLDZ4 Every effort is made to ensure the accuracy of this document; however, S&S Northern can assume no responsibility for any errors or omissions in this document or their consequences. S&S Northern would greatly appreciate being informed of any errors or omissions that may be found in the content of this document.

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