Edwards Signaling CTM City Tie Module - Manual (Page 2)

2 / 2 P/N 3101025 • REV 02 • REB 25JAN13
Figure 1: CTM installation wiring diagram
2 1
1 2 3 4
+
–
Active Normal
Public fire alarm
reporting system
Local energy type
master box
+
–
+
– +
–
EOLR [3]
Active Normal
From dedicated notification
appliance circuit [4]
Compatible electrical box
CTM
Wall plate
Screws
14.5 Ω
trip coil
[1]
[2]
[1] Power-limited and supervised for opens, shorts, and ground faults
[2] Nonpower-limited and supervised for opens and ground faults
only. 26 Ω, max. 4.4 A, max.
[3] Use end-of-line resistor value required by the notification
appliance circuit
[4] NAC output signal must be compatible with the input rating of the
local energy type master box.