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used, be sure a dedicated, grounded outlet is local codes, since they pass from a Class I, used. Conduit must enter controller where Division 1 area into a non-hazardous area. prepunched conduit holes are provided. WARNING: Explosion may occur if other C. Dig trenches as necessary, and install conduit wires share the X76 ETM's probe wire con- from the controller to each probe location. duit. Conduit from probes to controller must Probe wire must enter controller through the not contain any other wires. proper prepunched conduit holes. D. The conduit can enter the probe manhole through the bottom or side. The end of the conduit should be as high as possible to 4.0 COMPONENT INSTALLATION reduce the chance of water covering the junc- tion box during heavy rain. WARNING: The installation and use of this E. Lay 3/4" rigid metal conduit from each probe product must comply with the National Electrical to a junction box or wiring trough, located in- Code,federal, state and local codes, and any side the building. Conduit must enter control- other applicable safety codes. In addition, take ler where prepunched conduit holes are the necessary precautions during installation,ser- provided. No other conduit entry is permitted. vice and repair to prevent personal injury, proper- WARNING: Explosion may occur if other ty loss and equipment damage. wires share the X76 ETM's probe wire con- WARNING:Turn off power to the system before duit. Conduit from probes to controller must opening the front panels to avoid shock from the not contain any other wires. power supply. In addition, power to the system WARNING: Explosion and equipment damage must be turned off before opening or securing the may occur if conduits do not enter the con- barrier cover. If high voltage is shorted across troller through their designated prepunched any barrier probe terminal, explosion or fire could conduit holes. result. Failure to comply with these warnings could 4.1 Controller Installation result in serious personal injury, property loss and equipment damage. Mounting: Select a mounting location on the in- Wiring between the probes and the controller is side wall of an enclosed building, protected from severe vibration and extreme temperature. The designed with limited electrical power to probe monitor should be mounted with the LCD at eye wires so there is insufficient energy to ignite fuel. level. To maintain this safety feature. probe wires must be installed in a separate conduit from all other Wiring: wiring. Probe wires MUST NOT be run in same A. Open controller cover, remove the screws conduit as power wires. holding the barrier plate and remove the plate. 3.4 Probe Junction Box And Vapor B. Locate the input power terminal on the left Seal Installation edge of the board between the top and bottom edge of the board. See controller wiring con- Install a vapor seal at both ends of the conduit. nection diagram on page 16. Connect the One end must be at the probe end of the conduit wires from the breaker box to the controller, in- and the other end before the the conduit enters cluding the earth ground. the building. Install a weatherproof electrical junc- tion box with a gasketed cover at the end of each GROUND LEM SAN O1E conduit at the probe location. .ROBE WIRE SCAM GRIP CAM GRA 3.5 Probe Wiring CAP 0 ) ` �'—ADAPTOR Pull the twisted pair shielded cable. #22 AWG or EYE NOOK r .•..E heavier, between the controller and each probe $.CK CNAN location. The wires must be designed for use in "WATERPROOF" JUNCTION 80 the presence of gasoline and/or oil, and the con- (SEEDETAILI duit must be sealed in accordance with the Na- tional Electrical Code, (NFPA 70), and meet the -� N^TMREAOW TANK CUSNYIG specification pertaining to the product being OPTIONAL monitored as defined by Flammable and Com- PROSE HOUSING r ,ANN bustible Liquids Code, (NFPA 30), and other Figure 4-1:X76 ETM Installation. 5