Truecharge 10TB Owner’s Manual

below the 1-amp threshold that would normally trigger the transition to float mode.

5.2 Charging Sequence Initiation

The Truecharge always begins, or restarts, the above charging sequence by initiating a bulk charge. If the battery is only slightly discharged, the Truecharge will quickly switch into absorption mode, then eventually enter float mode once fully charged. The conditions that will cause the Truecharge to start, or restart high current bulk charging are as follows.

1.If, due to an external load consuming current or due to internal battery leakage, the battery terminal voltage falls to 12.5 volts for more than 15 minutes, a new charging cycle will begin.

2.If 21 days have passed since the last charging cycle, a new charging cycle is automatically begun. This protects against slowly diminishing capacity that can occur due to normal internal battery leakage.

3.Each time AC power is connected or reconnected, the charging sequence is restarted.

5.3 Front Panel Indicators

Three front panel charging status lights are provided to allow monitoring of battery charging status. Referring to charging modes described in section 5.1, the status light functions are as follows.

•Sequential flashing of all three lights for several seconds, when AC power is first switched on, indicate the automatic initialization procedure is in progress.

•Yellow “Bulk” status light. Indicates the bulk charging mode is in progress. Charging current is 8 to 10 amps.

•Yellow “Absorption” status light. Indicates the Truecharge has switched into absorption mode. Current is 1 to 8 amps.

•Green “Float/Ready” status light. Indicates that batteries are fully charged, and the Truecharge has switched into float mode. Charging current drops to a maintenance level of less than 1 amp.

In addition, the status lights also report an automatic safety shutdown code.

•Both “Ready/Float” and “Bulk” lights flash simultaneously. This indicates that the battery voltage is dangerously high and the Truecharge has shut down. This condition is generally caused by a poorly regulated engine alternator, or generator, simultaneously charging the battery.

•“Bulk” light only flashes. This indicates the Truecharge has shut down due to overheating caused by poor ventilation.

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