With this latest feature on its TriPac auxiliary power unit, Thermo King has added selectable functions to the system’s controller, allowing the driver or fleet to select the parameters that the unit will automatically control after a tractor on/off cycle. The TriPac can now be programmed to monitor battery and coolant temperature only after the tractor on/off cycle, or, if the operator prefers, the system can also monitor cab temperature and automatically maintain the previously selected set point.

The addition of this feature resulted in part from customer comments, TK says, which indicated that some fleet managers wanted to ensure that the APU systems wouldn’t accidentally be left running during down times or over weekends.

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