Table of Contents
Advertisement
3.2
Initiating Device Circuits
Zones
Wire all alarm initiating devices sequentially for proper supervision. Initiating devices include: manual pull
station, heat, photoelectric and ionization type detectors; and waterflow alarm devices. Refer to the Device
Compatibility Chart.
Notes:
1)
Observe polarity when connecting polarized devices.
2)
All circuits are supervised and power limited.
3)
Leave Dummy Load (provided) on all unused circuits.
Two-wire
Smoke
Detector
Heat Detector
Manual
Pull Station
Technical Manuals Online! - http://www.tech-man.com
Style D
Initiating Device
Initiating Device
Circuit
+
-
+
+
-
+
+
-
+
TB4
B+
A+
A-
B-
B+ A+
1
2
3
4
5
IDC #1
Figure 3.2-1: Example of Initiating Device Circuits
MS-4424 15153:F1 06/18/97
firealarmresources.com
Style B
Circuit
4.7K, 1/2-Watt
(part # 71252
UL listed)
Style B
-
Initiating Device
Circuit
4.7K, 1/2-Watt
(part # 71252
UL listed)
-
+
-
-
+
-
A-
B-
B+
A+
A-
6
7
8
9
10
11
12
IDC #2
IDC #3
Style B
Supervisory
Circuit
(if SW1 switch 3
is set "ON")
4.7K, 1/2-Watt
(part # 71252
UL listed)
+
-
Normally
Open
+
-
Tamper
Switch
B-
B+
A+
A-
B-
13
14
15
16
IDC #4
15
Advertisement
Table of Contents
