Initiating device circuits, Zones – System Sensor PDRP-1002 User Manual
Page 16
3 Installation Procedure
Zones
16
The PDRP-1002 PN 51135:A 03/11/99
Initiating Device Circuits
Zones
Wire all alarm initiating devices sequentially for proper supervision. Initiating devices
include: heat, photoelectric, and ionization type detectors; and waterflow alarm
devices. Refer to the Compatibility Chart in Appendix B.
Note:
•
Observe polarity when connecting polarized devices.
•
All circuits are supervised and power limited.
•
Leave Dummy Load (provided) on all unused circuits.
Figure 4 Example of an Alarm Initiating Device
B+ A+ A- B- B+ A+ A- B- B+ A+ A- B- B+ A+ A- B-
TB 4
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A
ID
EX.
c
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IN #1
IN #2
IN #3
IN #4
Manual
Pull Station
Heat
Detector
Two-wire
Smoke
Detector
Class B (Style B)
Initiating Device Circuit
4.7K, 1/2-Watt (part # 71252 UL listed)
Class A (Style D)
Initiating Device
Circuit
Abort Switch
4.7K, 1/2-Watt
(part # 71252
UL listed)
Manual Release
4.7K, 1/2-Watt
(part # 71252
UL listed)