2. Program Change How to Use the Basic Program
40
NFS-640 Programming Manual P/N 51333:B 10/03/2003
ACS Selection Group N
This group is the same as Group A ( See Table 13 on page 35 ), with the following exceptions:
• It should be selected only for TM-4s used for remote station communication.
• Selection Group N follows the alarm relay for annunciation (Selection Group A annunciates
immediately).
• The yellow LED of annunciator point 2 is for Alarm Silence only (in Selection Group A it is
for Signal Silenced).
ACS Selection Group O
This group is the same as Group A ( See Table 13 on page 35 ), with the following exceptions:
• It should be selected for only for TM-4s used as Fire Municipal Box Trip outputs.
• Selection Group O provides a “Master Box” trouble displayed at the panel.
• Selection Group O follows the alarm relay for annunciation (Selection Group A annunciates
immediately).
• The yellow LED of annunciator point 2 is for Alarm Silence only (in Selection Group A it is
for Signal Silenced).
www.PDF-Zoo.com