Gas & electric utility isolation controller (16 pages)
Summary of Contents for S&S Northern MERLIN WLMZ4
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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.
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.
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.
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.
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.
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.
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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.