Related Manuals for CMR Electrical CWT2-2
Summary of Contents for CMR Electrical CWT2-2
- Page 1 CMR Electrical Ltd Bolton House Five Chimneys Lane Hadlow Down East Sussex TN22 4DX Tel: 01825 733600 Water Leak and Room Over Temperature Alarm Installation and Operation Manual...
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Page 2: Table Of Contents
Contents Display and Control Operation Display Screens Water detection Sensor wiring Temperature Sensor wiring Setting the alarm trip set point Positioning the temperature sensor Power, BMS, beacon and SMS connections Beacon and beacon sounder Fitting an SMS / Email messaging system Commissioning Fault Diagnoses Installation Drawings... -
Page 3: Display And Control
1) Display and Control Water & Temperature Status Display Mute Alarm Push Button Temperature Alarm Set Point Buttons see item 5 below Sensor power fuse “ZONE 2” “ZONE 1” Removable Terminal Removable Terminal Block for Temperature Block for Leak Detection Sensor Sensor 2) Operation... - Page 4 Screen 1 3) Display Screens The unit will display this for a few seconds after powering up Screen 2 The unit has no alarms and is showing the current temperature Screen 3 High temperature Alarm; this statement will flash until the “Mute” button is pressed Screen 4 Water leak Alarm;...
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Page 5: Water Detection Sensor Wiring
Screen 8 The sensor power fuse has blown Screen 9 Alarm setpoint adjustment 4) Water detection Sensor wiring (Zone 1) Using the 3 way terminal block as shown in Item 1 above, connect the sensor to the alarm unit as follows using a 4 core 0.22mm cable. -
Page 6: Setting The Alarm Trip Setpoint
6) Setting the alarm trip setpoint Three buttons have been provided to allow the alarm trip point adjustment between 0 and 50ºC. To set the desired alarm trip point, first press the “Zone 2” button until the display changes to screen 9, the display will show the current alarm trip point. -
Page 7: Beacon And Beacon Sounder
9) Beacon and beacon sounder If a beacon or beacon sounder is supplied connect to the three terminals identified as “Beacon” as follows. 9a) 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 Connect Beacon / beacon sounder... -
Page 8: Commissioning
11) Commissioning Having connected the unit as described above, turn on the mains power to the unit. The display should illuminate displaying screen 1 and after a few seconds display screen 2. To test the temperature alarm, first note the current temperature, press and keep pressed, the internal red “Zone 2 push button, screen 9 should appear. -
Page 9: Installation Drawings
13) Installation Drawings Not all the shown devices may be available on your system...
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