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SWITCHING ON / OFF
The charger is switched on /off with the illuminated AC input power on / off switch (9)
located on the rear panel of the unit. The switch is illuminated red when switched on.
INDICATION OF NORMAL OPERATION AND CHARGING STATUS
When the charger is switched on without any load, the Charging Indicator LED (4) on
the front panel turns red, orange and then green. The fan (11) will come on momentarily
and switch off. If a Remote Panel is connected, its green LED "Power" will light and the
other 3 LEDs will light in sequence - I Phase (red), Uo Phase (yellow) and then U Phase
(green)
If a battery or load is connected, the colour of the Charging Indicator (4) on the front
panel will indicate the charging status as follows:
•
Charging Indicator LED (4) on the front panel is red – Indicates that
charger is in Stage 1 - Constant Current, Bulk Charge Mode (I Phase) and is
delivering 45 A to 36 A (SEC-1245A) or 25 A to 20 A (SEC-2425A).
•
Charging Indicator LED (4) on the front panel is orange – Indicates that the
charger is in Stage 2 – Constant Overcharge Voltage, Timed Absorption / Boost
Charge Stage ( Uo Phase) and is delivering between 36 A to 4.5 A (SEC-
1245A) or between 20 A to 2.5 A (SEC-2425A)
•
Charging Indicator LED (4) on the front panel is green – Indicates that the
charger is in Stage 3 - Constant Voltage, Float or Maintenance Charge Mode (U
Phase). The charger is delivering < 4.5 A (SEC-1245A) or < 2.5 A (SEC-
2425A). The battery is fully charged.
will draw very low current to compensate for its self discharge.
OPERATION
When the battery is fully charged, it
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