Related Manuals for CMR Electrical DMWD
Summary of Contents for CMR Electrical DMWD
- Page 1 CMR Electrical Ltd Bolton House Five Chimneys Lane Hadlow Down East Sussex TN22 4DX Tel: 01825 733600 DMWD 1 to 4 Zone Water Detection Alarm with Distance to Leak Measurement Installation and Operation Manual...
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Page 2: Table Of Contents
Contents Display and Control Operation Water leak detected Alarm Test Water Detected Alarm Sensor Fault Water Detection Sensitivity Adjustment Installation Positioning the water detection cable Fitting Cable clips Water Shutdown Valve Water Shutdown Valve Override Procedure Beacon and beacon sounder Fitting the battery backup Commissioning Fault Diagnosis... -
Page 3: Display And Control
1) Display and Control Zone Status Display Mute Alarm Push Button Valve Shutdown Override & Display Cable Length Button Zone Sensitivity Removable Terminal Block Adjustment see for connection to the water Item 6 below detection cable or sensor Display Screens a) All detection cables are connected correctly and a water leak has not detected b) The detection cable has been disconnected, unplugged, damaged or cut... -
Page 4: Operation
c) When the display is rotating between the above two windows, water has been detected and the unit is calculating the distance to the leak d) After (c) above, the display will change to show the distance to the leak from the start of the water detection cable. -
Page 5: Water Leak Detected Alarm Test
the same time, the audible warning will be going with “Zone 1 water detected” on display. Pressing “Mute” will stop the audible warning but it will immediately start again only this time the display will be showing “Zone 2 water detected”. This second alarm will also need the “mute” button operated to silence the audible warning. -
Page 6: Installation
7) Installation THIS EQUIPMENT SHOULD ONLY BE CONNECTED AND WORKED ON BY A QUALIFIED ELECTRICIAN. To mount the unit to a wall, first remove the front cover to expose the internal equipment. In each corner of the housing positioned below/above the front cover fixings will be found the mounting holes. Plastic glands have been provided for incoming power and outgoing signal cables. - Page 7 Non Distance Measuring Signal Cable Connections White signal cable Red wire to "A +", Black wire to "B -" Signal cable to Water leak Water detection detection Cable cable connectors run around the area to be Terminate the Red protected and Black wires to the terminals within The alarm housing...
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Page 8: Positioning The Water Detection Cable
Output Volt Free contacts for use by a Building Management System. Function Required Fitted as Standard Relay Output Terminals Zone 1 alarm Z1 Alarm Zone 2 alarm Z2 Alarm Zone 3 alarm Z3 Alarm Zone 4 alarm Z4 Alarm Water detected alarm any zone Common Alarm Cable Disconnected Alarm Common Fault... -
Page 9: Water Shutdown Valve Override Procedure
Connection of Water Shutdown Ball Valve The 230VAC supply to the valves is generated from within the alarm unit. 15 to 25mm valves are supplied with a red and black cable whilst larger valves are red and green. For good practice connect live to the red wire and neutral to the black or green wire. -
Page 10: Beacon And Beacon Sounder
Zone 1-2-3 & 4 Shutdown valve closed lamps 12) Beacon and beacon sounder If a beacon or beacon sounder is supplied connect to the three terminals identified as “Sounder Beacon” as follows. Sounder Beacon terminal block 12a) Non Mutable Beacon or beacon sounder If the beacon or the beacon sounder is to be active (On all the time) until the water leak alarm has cleared, connect as follows Terminal... -
Page 11: Fitting The Battery Backup
13) Fitting the battery backup The battery should be fitted connected after the system as been commissioned. Place the battery within the housing in the space provided. Connect the small BLACK cable to the “—“ battery terminal and the RED with black dots wire to the batteries “+” terminal. If the battery is misconnected, the battery fuse located on the small PCB will blow. - Page 12 Once the unit calculates the distance to the leak, the display will change to the following and the audible warning device should sound, if not refer to the “Fault Diagnostics” below. Press the “Mute” button the audible warning device should stop. Remove the water and wipe the cable with some tissue paper.
- Page 13 Fault Possible Reason Display is OFF and the unit appears dead 1) No power to the control unit. Test with a meter 2) The power fuse has blown. Test the fuse with a meter The Water Detected statement remains in the 1) The cable needs drying out after detecting water.
- Page 14 16) Installation Drawings System using Water Detection Cable. Not all the shown devises may be available on your system...
- Page 15 17) Housing Sizes Main control unit and Outstation type OS4V...
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