PXL Conventional Fire Alarm Control Panel
Installation
30
Initiating Device Circuits
All wiring must comply with local and national
codes.
1. All initiating circuits are rated power limited and should be wired
in accordance with applicable codes.
2. The minimum wire size permitted is 18 AWG.
The maximum wire size permitted is 12 AWG.
3. Each IDC can support and supervise up to 30 ionization and
photoelectric type smoke detectors, an unlimited number of
shorting-type devices, or one PBA-1191 beam detector.
NOTES:
When determining the quantity of shorting devices,
use sound engineering judgement.
Do not mix the PBA-1191 beam detector and any other
device on the same zone. The PBA-1191 can only be
connected as Class B.
When initiating circuits are configured as supervisory
type zones, only shorting devices may be used.
4. When a zone is in alarm, each IDC can operate the following:
one ionization or photoelectric type smoke detector, or one
PBA-1191 linear beam smoke detector
one relay base, or audible base, or remote alarm lamp
5. Each IDC, if configured as an alarm verified zone, is capable of
distinguishing between a shorting-type device and a smoke
detector in alarm.
6. Remote accessories can not be used on IDCs configured with
alarm verification.
7. Each IDC is user programmable. Refer to the Programming
section of the manual for further information.
8. The system contains LED point annunciation of Alarm or
Supervisory, and Trouble of each IDC.
9. All wiring should be in a continuously grounded conduit or, where
permissible, in approved 300V shielded,
limited energy cable
(such as
CERBERUS PYROTRONICS
TM
Model LEC).
10. When shielded cable is used without conduit, the wire shields in
all cases should be continuous and grounded only at the control
panel enclosure.
11. Multiple initiating circuits within the same cable or conduit do not
have to be individually shielded.
12. T-tapping and parallel branching are not allowed. Every detector
base, except the last one, must have one set of incoming and
one set of outgoing wires.
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