View single post by slychiu

Posted: Saturday Aug 18th, 2018 05:10 am

Joined:	Saturday Apr 29th, 2006
Location:	Singapore
Posts:	5499
Status:	Offline

If NO EOL resistors are connected and shunts are closer to the terminal block, then there wiil be NO zone trouble if the contacts are either open or closed
Whether you use Normally Open or Normally Closed zone type depends on whether the smoke detector is Normally Open or Normally Closed.

Close Window