Code Alarm 4000 Manual do Utilizador descarregar pdf (Página 17)

Analogue Loop Monitoring

Open Circuit Test

Check that a short circuit or open circuit is detected on every Analogue Loop.

Disconnect either the + or the - OUT connection for each Analogue Loop in turn. The connections

will be found on the

Main terminal connection board in the Main Panel and Repeaters or directly on Standard Sub-panels.

Within a few seconds a circuit fault should be reported for every loop that has been disconnected. No

individual detector faults should be reported. On standard sub-panels the amber LOCAL FAULT LED

should also be illuminated.

Reconnect the wires and press SYSTEM RESET to clear the fault reports.

Connect the + to the - at the Analogue Loop IN connection terminals. Within a few seconds a

Remove the short circuits and press SYSTEM RESET to clear the fault reports.

Short Circuit Test

circuit

fault should be reported for every loop that has been short circuited. On Standard Sub-panels the

amber LOCAL FAULT LED should also be illuminated.

If the short circuit is present for long enough and the Main Panel is Active Mode the panel will

consider all devices on that Analogue Loop to have been removed - these faults will also be reported.

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Code Alarm 4000 Manual do Utilizador Página 17