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Figure 13. Interstitial Liquid Sensor Interface Module Wiring <br />Diagram. <br />Be sure to maintain proper polarity between the probe <br />wires and their respective module connector termi- <br />nations. Since interstitial liquid sensors are contact <br />switches, polarity is not a consideration when connecting <br />field wires to interface modules. <br />2. Three -Wire Vapor Sensors. <br />Connect the three color -coded or marked wires from each <br />vapor sensor to the appropriate terminals in the vapor <br />sensor module connectors (see Figure 14, "Vapor Sensor <br />Interface Module Wiring Diagram"). Be sure to maintain <br />proper polarity between the vapor sensor wires and <br />their respective module connector terminations. <br />0 0 <br />0 0 <br />SENSOR <br />►1-'T'-r'-T-'T°T`T"-r.''-i <br />• • • • • • • <br />-n—y r <br />ONrR1i AprINGS <br />l iS AMP <br />---. . . . . . <br />O <br />NOT USED <br />INTERSTITIAL SEN TEflFACE MODULE <br />0F <br />VAPOR SEN ACE MODULE <br />MODULE <br />UP TO S <br />CONNECTOR <br />0000000000000000 <br />NOT USED <br />RIGID <br />00 0 0 0 00000000000 <br />MONITOR <br />ONITOR <br />UP TOS _ <br />\ -- <br />MONITOR <br />RIGID <br />SENSORS <br />CONDUIT <br />SENSOR SENSOR SENSOR <br />pt N2 .8 <br />Figure 13. Interstitial Liquid Sensor Interface Module Wiring <br />Diagram. <br />Be sure to maintain proper polarity between the probe <br />wires and their respective module connector termi- <br />nations. Since interstitial liquid sensors are contact <br />switches, polarity is not a consideration when connecting <br />field wires to interface modules. <br />2. Three -Wire Vapor Sensors. <br />Connect the three color -coded or marked wires from each <br />vapor sensor to the appropriate terminals in the vapor <br />sensor module connectors (see Figure 14, "Vapor Sensor <br />Interface Module Wiring Diagram"). Be sure to maintain <br />proper polarity between the vapor sensor wires and <br />their respective module connector terminations. <br />Figure 14. Vapor Sensor Interface Module Wiring Diagram. <br />Site Prepara and Installation Instructions <br />EMC UST Monitoring System <br />3. Thre <br />e -Wire Groundwater Sensors. <br />Connect the three color -coded or marked wires from each <br />groundwater sensor to the appropriate terminals in the <br />groundwater sensor module connectors (see Figure 15, <br />"Groundwater Sensor Interface Module Wiring Diagram"). <br />Be sure to maintain pro <br />per polarity between the ground- <br />water sensor wires and their respective module <br />connector terminations. <br />GROUND-, z_z » s—s <br />WATER r i �T Q T S T° c wi T s 1 p MOM SENSOR <br />SENSOR � ourm nAnxcs <br />J <br />GROUNDWATER 8E INTERFACE <br />0 0 <br />0 0 <br />00000000 <br />VAPOR ► r� rT.2 2T%�T' TS 5 wl <br />SEN300 <br />MA%IMUM SENSCA <br />---. . . . . . <br />ourNrApnrws. <br />NOT USED <br />0F <br />VAPOR SEN ACE MODULE <br />UP TO S <br />MODULE <br />NOT USED <br />00 0 0 0 00000000000 <br />CONNECTOR <br />i <br />— — = <br />\ -- <br />MONITOR <br />RIGID <br />UP TO 5 <br />CONDUIT <br />'—SENSORS — <br />°00gow F�w <br />SENSOR SENSOR SENSOR <br />.2 .5 <br />Figure 14. Vapor Sensor Interface Module Wiring Diagram. <br />Site Prepara and Installation Instructions <br />EMC UST Monitoring System <br />3. Thre <br />e -Wire Groundwater Sensors. <br />Connect the three color -coded or marked wires from each <br />groundwater sensor to the appropriate terminals in the <br />groundwater sensor module connectors (see Figure 15, <br />"Groundwater Sensor Interface Module Wiring Diagram"). <br />Be sure to maintain pro <br />per polarity between the ground- <br />water sensor wires and their respective module <br />connector terminations. <br />GROUND-, z_z » s—s <br />WATER r i �T Q T S T° c wi T s 1 p MOM SENSOR <br />SENSOR � ourm nAnxcs <br />J <br />GROUNDWATER 8E INTERFACE <br />0 <br />way <br />u�3LL�3 LLQ; <br />SENSOR SENSOR SENSOR <br />0 OR <br />R <br />RIGID <br />CORDUIT <br />0 0 <br />0 0 <br />00000000 <br />MODULE <br />O <br />MODULE <br />NOT USED <br />UP TO S <br />0 OR <br />R <br />RIGID <br />CORDUIT <br />0 0 <br />0 0 <br />00000000 <br />00 t— CONNECT <br />UP TO S <br />Figure 15. Groundwater Sensor Interface Module Wiring <br />Diagram. <br />F. RELAY OUTPUT WIRING. <br />EMC Relay Output Modules incorporate four Form -C relay <br />outputs, and the I/O Combination Modules incorporate two. <br />These relays may be connected to external systems or devices <br />that do not draw more than 2A. <br />IMPORTANT! ONCE OUTPUT RELAYS HAVE BEEN CON- <br />NECTED TO EXTERNAL DEVICES AND THE SYSTEM <br />HAS BEEN STARTED AND PROGRAMMED, MODULE <br />POSITIONS, CONNECTOR POSITIONS AND WIRE <br />POSITIONS CANNOT BE CHANGED WITHOUT RE- <br />PROGRAMMING THE SYSTEM! <br />IMPROPER SYSTEM OPERATION WILL RESULT IF <br />ANY ONE OF THESE POSITIONS IS CHANGED <br />WITHOUT REPROGRAMMING. <br />wo <br />1 �; 1 THAN <br />Be sure to accurately record on the circuit directory the type <br />of module and the location of each device wired to the <br />connector. <br />Identify each connector with aself-adhesive number label <br />according to the slot number. <br />DO NOT CONNECT OUTPUT RELAYS TO A DEVICE <br />THAT <br />DRAWS MORE 2 AMPS! <br />Output Power: Output Relay Contact, Resistive Load — 120 <br />VAC, 2A Max.; or 24 VDC, 2A Max. <br />15 <br />