Edwards Signaling ANS Audio Notification System - Manual (Page 10)

10 / 12 P/N 3101179 • REV 03 • REB 28FEB13
Optional supervisory circuit
Note:
We recommend that you connect the ANS to a
dedicated NAC circuit using the wiring methods shown in
Figure 4, Figure 5, or Figure 6. Failure to do so may cause
down-line devices to be disabled in the event of some ANS
fault conditions.
Figure 7: Using an FACP supervisory circuit
E
O
L
ZONE EOLR
E
O
L
MATCHING EOLR
(SPEAKER CIRCUIT)
Supervised and power-limited NAC
ALARM POLARITY
FIRE ALARM CONTROL PANEL
TROUBLE
ZONE
TO Next Device or EOLR
Notes
[1] The jumper shorting blocks on J1
must be removed for this
application.
[2] Power and speaker connections
remain unchanged.
FIRE ALARM CONTROL PANEL
[2] [2]
A
B
TB1
TB3
TB2
P2
U6
S1
SN2 SN1
1 2 3
J2
J5
J1 [1] 1
2
70V 25V
+ + + + – – – –
1 2 3 4 5 6 7 8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11