Simplex 2081-9027 Isolated Loop Circuit Protector Installation Instructions

asiinplex 2081 9027 Loop Circuit Protector Simplex Model 2081 9027 protects Simplex building system equipment runs that are external the building electrical on voltage circuits but are not compatible with 2081 9027 will protect most Simplex AC input power DC power to BT FABT Transponders RS232 Communication Video signals 27VAC RMS line to line 35VAC RMS line to ground operating current MA resistance All signal which would be degraded by 6 ohms per line of added resistance Any signals which exceed operating specifications below operating voltage for voltage breakdown see chart below Ohms per line 6 Ohms per protector BREAKDOWN RANGE UL 4978 OOVS OOV uS 350v 360V 450v illustratioir next page PER UL 4978 LISTING REQUIREMENTS external wiring must be confined with electric such a manner a one block area containing no possibility of accidental building of origin The wiring must also failure of supports or or power conductors operating at over 300V peak to ground For optimum protection the 2081 9027 apart from the protected equipment and as close as practical point where the circuit leaves or enters the building Protected and unprotected wiring must not share the same conduit Mount the protector a 4 in 10.16 cm or larger square box 1996 Simplex specifications Recorder Co Gardner MA 01441 0001 other were current as of publication are subject change without notice 4 96 At least 2 in 5.08 cm distance must separate the from the conduit Cut the protector green as short as possible and tie it to the mounting box with a standarcl grounding Bond the box containing protector the Building Ground Electrode System unified earth ground Use 12 AWG 3.309 mm2 or larger solid copper wire The ground wire length must not exceed 28 ft 8.6 m Bends in the ground wire of less than 2 in 5.08 cm radius are not permitted enclosed metal conduit the ground wire must be bonded to the conduit at both ends The earth ground describes a common ground the protected equipment system or telephone system A Connect protector brown and violet leads to the lines coming from the protected equipment Connect protector orange and yellow leads to the lines going out of the building Connect one of the protector gray leads to one of the cable shields Then connect remaining gray to the other shield At the protector dress must separate two cables and output cables as far apart as possible less than 2 in 5.08 cm At the signal source connect the cable shield to the cabinet ground screw The following signal sources BMUX communication or fire alarm panel for alarm initiating or signal circuits CONNECTIONS in Square Box min