_
ALD
Loop
+
Figure 3-7. Connection to TRI-B6R
Input 1
Input 2
AC Fail
2
3
4
5
1
6
7
3.6K 1/4W EOL
P/N 140-820185
1
3
2
3.6K 1/4W EOL
P/N 140-820185
1
2
3
Trouble
Relay
NAC
NAC
8
9
10 11
12
13
14
-
+
+
P/N 140-820405
24K EOL
4
5
6
7
8
TRI-B6R
4
5
6
7
8
TRI-B6R
23
PAD-3
NAC
NAC
AUX
15
16
17
18 19
20
21
-
+
-
- +
- +
Class B
Supervised
Notification
Circuits
To earth ground
To earth ground
Note:
Set TRI-B6R for normally
open trouble causing
operation.
_
ALD
Loop
+