A B C D E F G H
A
B
C
D
1)
Initiating Device Circuits are supervised, power limited and may be connected to limited-energy cable. Initiating devices include
non-coded manual pull station, heat detectors, photo and ion detectors, waterflow alarm and waterflow supervisory devices. Con-
nect waterflow alarm devices to a dedicated circuit, programmed for waterflow option. Connect N.O. waterflow supervisory devices
to a dedicated zone programmed for supervisory operation. Terminal Block will accept #12 to #22 AWG wire. Initiating circuit cur-
rent will ensure alarming of one two-wire detector only.
2)
Use only the compatible, UL-listed 2-wire smoke detectors that are listed in the Device Compatibility Document.
3)
For connection of 4-wire smoke detectors and initiating devices requiring separate 24 VDC power, refer to Section Six.
4)
Wire initiating devices according to the manufacturer's instructions packaged with each device.
5)
For Canada, model N-ELR End-of-Line Resistor Assembly required.
6)
Max line resistance due to wiring is 100 ohms.
38
Typical NFPA Style B
Initiating Device Circuit
E
F
G
H
Figure 4-6:
S5000 15583 Rev.
4.7K, 1/2 watt ELR, Part # 71252.
UL listed 2-wire smoke detector
Manual Pull Station
Heat Detector
b+ b-
NFPA Style B Field Wiring of the
IZM-8 Initiating Zone Module
6/10/96 P/N 15583:
5
2
Dummy load all
unused circuits
with 4.7K ELR,
Part # 71245.
b+ b-
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