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• 500 SERIESSTALLATION INSTRUCTIONS <br /> How the 500C Controller System and 522 Remote Monitoring System Work <br /> The 500C Controller System is installed at the gasoline dispenser and is capable of monitoring <br /> up to 3 500 Series sensors. If a fuel leak or high water condition is detected in dispenser <br /> containment,the 500C Controller System will actuate a solenoid that will activate all product <br /> line shear valves. When any of the 3 sensors goes into alarm (fuel, water or impact), the 500C <br /> Controller will immediately send the alarm status over the dispenser's AC power line. This <br /> transmission will be received by the 522 Remote Monitoring System that is installed inside the <br /> station. The 522 Remote Monitoring System provides an audible and visual alarm inside the <br /> station to alert the station operator of the problem. It can also be used to shut off power to the <br /> dispensers and turbines in case of fuel leak or dispenser impact. Finally,the 522 Remote <br /> Monitoring System is equipped with an output that can alert a third-party monitoring system <br /> such as a TLS-350 that there is a dispenser problem that requires attention(see Installation <br /> Instructions for 522 Remote Monitoring System). <br /> At the Dispenser Inside Station <br /> 500C Controller System Signal Transmission 522 Remote <br /> Over AC Powerline Monitoring System <br /> Sensors Detect Fuel,Water or <br /> Dispenser Impact Monitors for fuel,water or <br /> Controller Triggers Shear dispenser impact alarms. <br /> Provides visual and audible <br /> Valves if Fuel or High Water HHalarm— activates relays to turn <br /> Detected off AC power if fuel or impact <br /> alarm is received. Alerts TLS- <br /> Controller Transmits all 350 of all alarms except water. <br /> Alarms across AC power line to <br /> 522 Remote Monitoring System <br /> Page 4 <br />