La Marche TPSD Installation And Operation Manual
Also see for TPSD: Instructions
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Contents
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152.6 Installing External Temperature Compensation (Option 11W/11Y)The natural voltage of a battery changes as a function of temperature change. As the battery temperaturerises, the effective voltage of the battery decreases. Without Temperature Compensation, the battery chargerwill always produce a set constant output voltage. As the battery temperature increases, this constant voltagewill then induce a higher output current from the charger. This higher current can result in overcharging thebattery, which in turn can result in damage to the batteries.Temperature Compensation combats this overcharging by adjusting the charger’s output voltage based on thetemperature read by the temperature probe. In order to increase the accuracy of the temperaturecompensation the external probe can be used to measure the temperature of the battery.Option 11W includes the compensation circuit and a 24 foot long temperature probe. Option 11Y includes thecompensation circuit and a 100 foot long temperature probe. With either option approximately two feet of theprobe is taken inside the charger enclosure.External Probe Connection Procedure1. Before making any connections to theTPSD ensure that the AC Power is off atthe main breaker box and that both of theunit’s breakers are off. Verify that novoltage is present by using a voltmeter atall input and output terminals.2. Locate the terminal strip TS-6 inside thecharger.3. As illustrated in Figure 8, connect wiremarked F to terminal 1 and wire markedG to terminal 2.4. Connect the black lead of the probe to theother end of terminal 1, and the red leadto the other end of terminal 2.5. Place the external probe in a desired location(it is recommended that the battery manufacturer beconsulted for placement of the probe).Figure 11 - Temperature Compensation Connection(External and Internal) |
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