April 2020
Ultra-Starter 28V
ENERCRAFT
UST-2030 & UST-4030 USER MANUAL
9
At 26.7V, the first green LED will fade out. But the unit can still be used.
At 26.4V, the second green LED will fade out too. But the unit can still be used.
At 26.2V, the third green LED will fade out too.
We strongly recommend you to
recharge the unit when reaching this voltage level.
If you keep on using the unit
beyond this point, the discharge sequence would continue as shown below,
moving to
critical voltage levels
.
6.3 Check battery status
•
Switch DC Output to ON position.
•
Check display. If voltage is less than 26.2, please re-charge the unit.
6.4 Check Cables status
•
Always check the cables to visually detect any possible cuts or damages.
6.5 Engine Starting procedure
•
Unplug AC Cord (if the unit is plugged in).
•
Plug DC connector to the aircraft.
•
Turn DC power switch to ON position.
6.6 Battery charge procedure
•
Turn DC power switch to OFF position.
•
Plug AC Cord to a properly grounded outlet.
•
Switch charger (AC power switch) to ON position.
•
The unit will charge in 45 minutes (UST-2030) or 90 minutes (UST-4030)
from full discharge. When the voltage is higher than 30V, then the unit is
fully charged again.