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The Leak Alert System consists of an alarm system control enclosure, and one or more remote <br />sensors. See page 10 for system diagram. <br />The alarm system enclosure is a NEMA type 4, weatherproof instrument enclosure. Included <br />inside the enclosure are the following major components: <br />A. BASE PLATE <br />B. WIRING TERMINAL BLOCK <br />C. INDICATOR NAMEPLATE <br />D. POWER SUPPLY <br />E. MOTHER BOARD <br />F. CHANNEL PC CARD <br />G. ZENER SAFETY BARRIER <br />H. BARRIER END PLATE <br />111.11.A BASE PLATE <br />The base plate is to provide amounting base for the other components. This plate is secured to <br />the enclosure with four mounting screws. There are no field replaceable parts associated with the <br />base plate. <br />Aterminal block is provided for the connection of the input power (115 VAC 50/ 60 Hz) as well <br />as relay contact connection (rated at 115 VAC 5 amp). Marking on the base plate indicates the <br />connection terminals. A plastic cover is provided for protection from electrical shock and must be <br />reinstalled after connections are completed. <br />contact <br />ratllng'Tr <br />115vac <br />Samp <br />INPUT <br />115 Vac <br />RELAYz <br />0 <br />0 <br />W <br />U <br />2 <br />