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1 <br />1 <br />4. Low compressed air pressure as indicated by the pressure switch in <br />the air piping will cause an automatic shutdown. The following <br />indications are shown for a low air pressure shutdown: <br />POWER ON <br />AUTO SHUTOFF VALVE CLOSED <br />LOW AIR PRESSURE <br />5. Low LFG flow rates as indicated by the flow transmitter will cause <br />an automatic shutdown. The following indications are shown for a <br />low flow shutdown: <br />POWER ON <br />AUTO SHUTOFF VALVE CLOSED <br />LOW FLOW SHUTDOWN <br />6. High LFG flow rates as indicated by the flow transmitter will cause <br />an alarm. The following indications are shown for a high flow <br />alarm: <br />POWER ON <br />BLOWERON <br />r7LAME ON <br />HIGH FLOWALARM <br />1.08 ACCUMULATED ALARMS <br />A. The MMI shall be programmed to store all accumulated individual alarms <br />in addition to the last 10 alarms including the data and time of the failure. <br />B. Accumulated alarms shall be retrievable from a MMI display built into the <br />flare control panel. <br />1.09 AUTOMATIC RESTART <br />A. The flare shall attempt to automatically restart after a flame failure or low <br />temperature failure. There shall be 3 (adjustable) restart attempts. <br />North County LFG Collection System <br />San Joaquin County Public Works <br />5 <br />FLARE STATION PLC CONTROL <br />Section 16020 <br />