Silent Knight SD500-LIM Line Isolation Module Manual

SILENT Isolator Module Instructions following are instruction on how to install SD500 LIM Line Isolator Module to a Knight Analog Addressable control panel 7 Class A Configuration isolator module is used to isolate a short wiring fault on a Style 7 Class A SLC Normally if the control panel detects a on the SLC loop the entire loop is disabled isolator modules are used as shown in 1 and a short open or ground fault on the SLC loop it will be detected as a but all the SLC devices will continue to 1 LIM Style 7 Class A Example B Style 4 Configuration devices to 10W per 2 LIM Style 4 Class B Example a short occurs at point A line isolator 1 activate isolating SLC devices 1 3 from the rest of the loop a short occurs at point B line isolator 2 activate isolating SLC devices 4 6 from the rest of the loop a short occurs at point C line isolator 3 activate isolating SLC devices 7 9 from the rest of the loop Specifications Parameter Temperature Voltage Current Draw AC loss Current SLC Loop Resistance uA indoor use only 120 F 49 C VDC uA 151125 SD505 LIM Installation Instructions the SD500 LIM the SD500 LIM Installation and wiring of this device must be done accordance with NFPA 72 and local ordinances All wiring is supervised and power limited No more than 127 isolator devices LIM or can be used on a SLC loop the SD500 LIM the SLC Terminals SD500 LIM connections for the SLC loop and external are the same Wire as in Figure 3 or Figure 4 Notice that wire to Terminals SD500 LIM mounts in a standard dual gang switch box these steps to mount the SD500 LIM Make sure that the SD500 LIM is properly to the control panel See Figure 3 or 4 Place the SD500 LIM into the dual gang switch box See Figure 5 Mount the SD500 LIM to the dual gang switch box using two screws as in Figure 5 the two cover plate screws through the plate and screw into the holes on the mounting bracket Do Not over tighten screws 3 LIM Style 7 Class A Wiring for SLC loop 4 LIM Style 4 Class B Wiring for SLC Loop 5 SD500 LIM Mounting Meridian Circle Grove MN 55369 4927 612 493 6475 1998 Silent Knight 151125 Rev A 1 99 151125