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Section 4 – Post Operation
4.1 – General
Although the TI5679 MPU-24 has been ruggedized and made weather resistant within the scope of unit's
intended use, it is essential that good general care be taken to maintain unit in good operating condition and
to maximize unit's operational life.
4.2 – After Use
Unit should be protected from environmental elements and man made hazards. Ideally unit should be secured
in a building or shed. Most importantly, unit shall be fully covered if stored while exposed to environmental
elements.
4.3 – Power Cell Recharge
When installed in an operating aircraft, the TI5679 MPU-24 will back-charge from the aircraft's dc power.
Otherwise, the TI5679 MPU-24 has an intelligent recharging system that will enable it to rapidly recharge
when connected to an ac power source. If the unit's power cells become fully discharged, the unit should
be recharged within 24 hours to ensure maximum life and performance. Under normal circumstances a
minimum of 281 minutes will be required to fully recharge the unit.
!
NOTE
Connect AC Power Cord to Unit
Ensure 120 or 240 Vac power cord is properly connected to an approved ac power supply. After approximately
5-8 seconds, ensure unit's LED status indicator illuminates indicating power cell state of charge and cooling
fan is operating.
CAUTION
The TI5679 MPU-24's power cells may be damaged if recharged by NiCad or Lead Acid-type battery chargers.
Power cells should only be charged by either the TI5679 MPU-24's internal charger and the ac power cord
furnished with the equipment, or when connected to aircraft's external dc power receptacle.
TI5679 MPU-24
Plug the TI5679 MPU-24 into ac power to keep the cells charged whenever
it is not in use, even if it is at Full Charge. The unit will not overcharge or
overheat.
OK
Figure 4.3.3 Proper and Improper Charging Methods
Guard From Incorrect Power Source
NO
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