15073 OWNER’S MANUAL
447179 Issue 1 Rev. A
24
Figure 4-8. Fire Alarm Control Unit NAC activating more than one 15073 (Four wires required between
units)
Fire Alarm
Control Unit
120 VAC
2
1
3
Input 1
Output 1
Output 2
Output 3
Output 4
NAC
Input 1
120 VAC
3
1
2
Output 1
Output 2
Output 3
Output 4
120 VAC
Input 1
3
2
1
Output 1
Output 2
Output 3
Output 4
Trouble
N/C
Trouble
N/C
Trouble
N/C
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