Table of Contents
Advertisement
3.2
Initiating Device Circuits
Zones
Wire all alarm initiating devices sequentially for proper supervision. Initiating devices include: manual pull-
stations, heat, photoelectric and ionization type detectors; and waterflow alarm devices. Refer to the
Fire•Lite Device Compatibility Chart, for suitable two-wire smoke detectors.
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 B
Initiating Device Circuit
4.7K, 1/2-Watt (part # 71252 UL listed)
Initiating Device
+
-
+
-
+
-
TB4
B+
A+
A-
B-
B+
1
2
3
4
5
IDC #1
Figure 3.2-1: Example of Initiating Device Circuits
MRP-4424
Document 15180
firealarmresources.com
Style D
Circuit
+
-
Abort
Switch
4.7K, 1/2-Watt
(part # 71252 UL listed)
+
-
+
-
A+
A-
B-
B+ A+
A-
6
7
8
9
10
11
IDC #2
IDC #3
Rev D
03/12/97
15180:D
Manual
Release
4.7K, 1/2-Watt
(part # 71252 UL listed)
B-
B+
A+
A-
B-
12
13
14
15
16
IDC #4
15
Advertisement
Table of Contents
