Annunciator SACO Testing

Testing Procedures

  • Measure annunciator channels time delay.
Download: SACO 16D3 Test Format.

Equipment Required

  1. External Timer: TM200
  2. MCB 2-pole.
  3. Connection Cables (Banana Type). 
Picture
TM200
Picture
MCB 2-Pole
Picture
Connection Cables

Timing Test

  • Connection will be same as the shown figure.
  • Press down arrow for INPUT to adjust the delay time of every channel.
    • Refer to User Manual to know how to adjust channels time delay.
  • ​Use the MCB to start the timer and the channel alarm initiation also.
  • Channel output will stop the timer.
  • Repeat this test for all of annunciator channels.
Picture
Connection Circuit

Notes

  • The basic time delay of the reflash signal is 70 msec, if only one alarm signal is received within a time period 200 msec.
  • Press RESET button for 15 seconds continuously to test FAULT indicator lamp.
    • FAULT indicator lamp indicates the internal fault.
    • Press RESET button, all indicators will ON.
  • To test Audible Contacts:
    • Remove wires from AUD contacts in annunciator unit and check with buzzer. (No alarm)
    • Simulate any fault and then check with buzzer again. (Buzzer will occur)
    • Remove the fault and then check with buzzer. (Buzzer will still)
    • From Annunciator press RESET button. (Buzzer sound will be gone)