Xantrex Technology SW Plus 4024 - Manual (Page 224)

Operation
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Charge Status (Yellow and Green)
Charging indicators There are two LEDs for battery charging indications.
• Bulk Charge LED (yellow)
• Float Charge LED (green)
Bulk Charge LED
(Yellow) The BULK charge LED indicates if the inverter is in the Bulk or
Absorption charge stage. The LED will illuminate solidly during the bulk
and absorption charging stages.
The BULK LED turns off when the battery voltage is held at the
12B Bulk Volts DC setting and the charge current equals or is below the
12F Bulk Done Amps AC setting or meets the 12H Max Bulk/EQ
Timer h:m value, which ever comes first. The inverter then switches over
to the FINISH stage of charging.
This LED is also used to indicate an equalization charge. When this LED
is blinking, it indicates the battery is being charged to the EQ volts DC
setting for the equalize period.
Float Charge LED
(Green) The FLOAT charge LED turns ON when the battery voltage reaches the
float stage of charging.
Float provides a maintenance charge to the batteries until another bulk
charge cycle is initiated or the AC source is disconnected.
The Float Mode of charging can be changed to Silent mode, where float
charging only occurs if certain conditions are met. When the LED is not
illuminated, the inverter is not actively float charging (Silent Mode only).
Figure 8-4 Charge Status LEDs