FireLite SLC Wiring Manual — P/N 51309:R3 7/29/2019
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Surge Suppression Introduction
Wiring Class requirements are determined by national and local codes. Consult with the Authority Having Jurisdiction before wiring the
SLC. The table below (derived from NFPA 72-1999) lists the trouble conditions that result when a fault exists on an SLC.
1.7 Surge Suppression
One primary surge protector must be used with each SLC wiring pair whenever SLC wiring runs outside the building. For detailed infor-
mation refer to “Surge Suppression” on page 65.
1.8 LED Operation
The table below lists the LED operation on the various devices on an SLC.
Type of Fault Class B Class A Class X
Single Open Trouble Alarm, Trouble Alarm, Trouble
Single Ground Alarm, Trouble (ground) Alarm, Trouble (ground) Alarm, Trouble (ground)
Short Trouble Trouble Alarm, Trouble
Short and open Trouble Trouble Trouble
Short and ground Trouble Trouble Alarm, Trouble
Open and ground Trouble Alarm, Trouble Alarm, Trouble
Communications loss Trouble Trouble Trouble
• Trouble - The control panel will indicate a trouble condition for this type of fault.
• Alarm - The control panel must be able to process an alarm input signal in the presence of this type of fault.
Table 1.1 SLC Performance
Device Standby Activated
Monitor Module
Control Module
Detector
Blinks RED
Blinks GREEN
Blinks RED
Steady RED
Steady GREEN
Steady RED
Table 1.2 LED Operation
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