22 S&C Instruction Sheet 661-500
Operation
position. See Figure 26.
STEP 7.
Turn the CHARGER POWER switch to the
On
position. The charger will turn on and the LCD
screen will display the charger and battery
status. See Figure 27.
NOTICE
If all three power switches are turned on and there is
no 120-Vac single-phase power source connected to
the charger, the charger will be powered by the three-
phase power source .
If there is a 120-Vac single-phase power source
connected to the charger, the 120-Vac single-phase
power source will power the charger as a default .
Figure 27. The CHARGER and three-phase power switches in
the On position. The LCD screen will turn on if the three-phase
power source or battery is connected.
Figure 26. The three-phase power switch in the On position.