Cable Connection
16
NOTE:
Pin 1 and pin 2 are normally-open contacts; pin 2 and pin 3 are normally-closed contacts. When
the device works properly, pin 1 and pin 2 are closed, pin 2 and pin 3 are open; when an alarm
occurs, pin 1 and pin 2 are open; pin 2 and pin 3 are closed.
Wiring and mounting
Step 1: Remove the alarm terminal block from the device.
Step 2: Secure the three cables for alarm into the alarm terminal block in the required
sequence.
Step 3: Insert the alarm terminal block into its socket.
