26 Smart Sensor Setup Vac Sensor Setup26-4Vac Sensor SetupIf necessary, press STEP until you see the message:Press ENTER:You must select the pump that will provide the source of vacuum for this Vac Sensor or a Setup Data Warning willbe posted for this Vac Sensor. If necessary, press CHANGE until the correct pump’s control device displays [QX(PLLD), WX (WPLLD), or RX (Output Relay)]. NOTE: an Output Relay must be set to Pump Control Output to beassigned as a pump. If the selected pump output relay is not assigned to a pump sense device, a Setup DataWarning for this Vac Sensor will be posted.Press ENTER to confirm your entry.Press STEP to continue.:Enter the volume in gallons of the interstitial space being monitored by the Vac Sensor. The permitted range is 1 to500 gallons. Default is 501. A Setup Data Warning alarm will activate if a volume between 1 and 500 is notentered.Press CHANGE and enter the interstitial space volume. Press ENTER to confirm your entry.Press STEP to continue.:Steel TankIf this Vac Sensor is monitoring a steel tank’s interstitial space, a relief valve is usually not needed. Press STEPto accept the default NO. Press TANK/SENSOR /Sensor to setup another Vac Sensor.Fiberglass TankIf this Vac Sensor is monitoring a fiberglass tank’s interstitial space, a relief valve is required to prevent excessvacuum from damaging the tank. Press CHANGE and select YES. Press ENTER to confirm your entry.Press STEP to continue.:Enter the pressure at which the installed Relief Valve is rated to open (the vent pressure is stamped on thebody of the V-R Relief Valve). The permitted range is -5 to -9 psi. Default vent pressure is -9. Press ENTER toconfirm your entry. Press TANK/SENSOR to setup another Vac Sensor.s 1: VAC SENSOR SETUPPRESS s 1: SELECT PUMP #NONEs 1: (Vacuum Label)VOLUME: 501s 1: (Vacuum Label)RELIEF VALVE: NOs 1: (Vacuum Label)RELIEF VALVE PRESSURE: -9.0
