La Marche TPSD Installation And Operation Manual
Also see for TPSD: Instructions
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Contents
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112.5 Alarm ConnectionsEight alarms are included as a standard feature of the TPSD. The included alarms are Low DC Current, Low DCVoltage, High DC Voltage, High Voltage Shutdown, AC Failure, Negative Ground Detection, Positive GroundDetection and Summary. Each alarm includes two form “C” contacts enabling the customer to connect multipleremote annunciators.Max. Operating Voltage 125 VAC125 VDCMax. Operating Current 2 AMax. Switching Capacity 62.5 VA30 W2.5.1 Alarm Connection ProcedureBefore making any connections to the TPSD ensure that the AC Power is off at the main breaker box and thatboth of the unit’s breakers are off. Verify that no voltage is present by using a voltmeter at all input and outputterminals.For High DCV, High DCV Shutdown, Positive Ground, and Negative Ground:If it is desired that the annunciator be active until the alarm triggers connect the annunciator leads to theNormally Closed and Common contacts of the desired alarm (located on the Customer Alarm ConnectionCardS2A-198A). If it is desired that the annunciator be activated after the alarm triggers connect theannunciator leads to the Normally Open and Common contacts of the desired alarm.For Low DCV, AC Power Failure, Low DCA, and Summary:If it is desired that the annunciator be active until the alarm triggers connect the annunciator leads to theNormally Open and Common contacts of the desired alarm (located on the Customer Alarm Connection CardS2A-198A). If it is desired that the annunciator be activated after the alarm triggers connect the annunciatorleads to the Normally Closed and Common contacts of the desired alarm.Table 8 – Alarm Form “C” Contact RatingsFigure 9 - Customer Alarm Connection Card |
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