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Installation, Operation & Maintenance Manual
WLM
Merlin
WLM
Water Leak Monitor
Installation, Operation & Maintenance
Please read this manual carefully and retain for future use.
For specific requirements that may deviate from the information in this guide – contact your supplier.
S&S Northern Limited
www.snsnorthern.com
1
Rev 2
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Related Manuals for S&S Northern Merlin WLM
Summary of Contents for S&S Northern Merlin WLM
- Page 1 Installation, Operation & Maintenance Manual Merlin Water Leak Monitor Installation, Operation & Maintenance Please read this manual carefully and retain for future use. For specific requirements that may deviate from the information in this guide – contact your supplier. S&S Northern Limited www.snsnorthern.com Rev 2...
- Page 2 Installation, Operation & Maintenance Manual Contents Important Warning Statements ..............3 Installation ..................4 Typical Application & Location ......................4 Mounting & Cabling .......................... 4 Circuit Board Terminals ........................5 Wiring – Power ..........................5 Wiring – Water Valve ........................5 Wiring –...
- Page 3 Installation, Operation & Maintenance Manual 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, Operation & Maintenance Manual Installation Typical Application & Location Installation must be in accordance with recognised standards in the country concerned. The Water Leak Monitor (WLM) is designed to isolate the water supply if water leak has been detected. The controller can be easily manually reset once water leak has been rectified.
- Page 5 Installation, Operation & Maintenance Manual Circuit Board Terminals Damage to PCBs when creating cable entry points may void any warranty! Take care when making connections to high voltage connectors! Any damage attempting to remove the circuit board may void any warranty! All Class 2 wiring is to be installed within flexible tubing to maintain segregation between circuits! Wiring of different circuits shall be separated by means of routing, clamping or barrier! A switch or circuit breaker must be fitted, it must be accessible and marked as the disconnecting device!
- Page 6 Installation, Operation & Maintenance Manual Wiring – Sensors The WLM is compatible with 4 and 2 wire leak ropes wired to the [SENSOR] terminal. This terminal has a factory fitted link (R & Y) and should be removed when 4 wire rope is used. Basic Operation Isolate the equipment from all hazardous live power sources before opening the cover! When power is supplied to the controller, the LED on the logo will illuminate Red.
- Page 7 Installation, Operation & Maintenance Manual Controller Status LED The LED changes colour when the controller enters three (3) different states as follows. Water On. Green LED remains illuminated when water is being supplied/valve is open (energised). Fault. Amber LED remains illuminated when the rope fault is detected. Water supply will remain ON, BMS terminal will switch over.
- Page 8 Installation, Operation & Maintenance Manual Specification General Model: WLM – Water Leak Monitor Size: (H x W x D) 151 x 111 x 50mm (5.95 x 4.37 x 1.97”) Mounting: Wall/Surface Mounted. Indoor use only Weight: 320g (11.2 oz) User Interface Visual Indicators: LED.
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