La Marche TPSD Installation And Operation Manual
Also see for TPSD: Instructions
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Contents
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14TheAC POWER FAIL ALARM will trigger immediately when the AC power to the unit is lost, green “AC” LEDwill turn off. The alarm will automatically reset when AC power is restored to the unit. When AC power is lostthe front panel display and indicators will remain powered by the connected batteries.TheSUMMARY ALARM will trigger if any of the below conditions occur for longer than 5 seconds. When thesummary alarm triggers the red “SUMMARY” LED will turn on: Low DC Voltage Positive Ground* High DC Voltage Negative Ground* Low DC Current* AC Failure** - May or may not be included in the Summary Alarm (Factory Calibration)TheLOW DCA ALARM will trigger if the output DC current of the charger has dropped below the alarmthreshold for longer than 5 seconds, red “LOW CURRENT” LED will turn on. This is usually caused by the load (ifapplicable) being disconnected or going into a sleep state as well as the battery (if applicable) reaching a fullcharge. This could also be the result of maladjustments of the output voltage settings. In rare cases this couldbe the result of certain load sharing setups in which the other charger is set up to supply more power to theload. See Section3.5.1 CUSTOMER CALIBRATION for information on viewing and adjusting the threshold value.All alarms have adjustable time delay to energize; the range is 0 through 300 seconds. Table 10 shows factorysetting of each alarm.Alarm Delay (seconds)Low DC Voltage 5High DC Voltage 5High Voltage Shutdown 20Low DC Current 4Timer Mode 30 for Mode 4NOTE: All alarms automatically reset when the alarm condition is corrected. However the High VoltageShutdown must be reset manually by pressing the HVSD RESET pushbutton on the front panel.Table 10 – Factory setting for alarm time delays |
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