Page: 24
JFS-A1 INSTALLATION, OPERATION, AND INSTRUCTION MANUAL
Document #: DOC230
Issued: August 27, 2012
Revised: N/A
NAC as Releasing Device Circuit
e releasing device circuit is typically a NAC programmed to control a releasing device, such as a solenoid or squib.
It is fully supervised and power limited.
Figure 25. NAC Releasing Circuit Wiring with EOLD Assembly
Releasing
Device
End of line device
5.1k ohm 1/2W
Part #3005012
Panel
Connection
NAC 1 NAC 2
- + - +
Note: When a NAC is congured as a releasing circuit, the End of Line Diode (EOLD) assembly must be installed.
e Potter EOLD part number is 3005012; it must be installed in accordance with the installation manual.
When the Control Panel is congured as a release system and installed according to NFPA 12A or NFPA 2001, the
system must include a mechanical means to manually release the agent.
Maximum Wire Impedance Formula
e maximum wiring impedance is a function of the load being applied. Calculate maximum resistance as follows:
(Total current of all connected devices) x (Wire resistance) <2.05 volts
DWG #594-1A
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