Exide Technologies SCRFLX Charger User Manual
Page 19
Instr. 4770-65-95005-10 Page 15
9.1 SCRFLX CHARGER FUNCTIONAL
DESCRIPTION
This section gives a brief description of each LED,
pushbutton, and the delay function on the SCRFLX type
charger front control panel.
9.1.1 DELAY STAGE
9.1.1.1
DELAY CIRCUIT
CAUTION: HAZARDOUS VOLTAGES INSIDE. DO NOT
ATTEMPT TO CHANGE THE SLIDE SWITCHES ON
THE CONTROL CARD UNTIL ALL AC POWER IS
DISCONNECTED FROM THE UNIT AS WELL AS THE
BATTERY IS UNPLUGGED FROM THE CHARGER.
USE PROPER TOOL TO OPEN THE CABINET DOOR.
1. The delay circuit enables the user to set a delay of up
to eight hours between battery plug in and the start of
charge.
2. The delay time must be set prior to charging. This can
be done via the slide switches located on the back of
the charger control card. Refer to Table 4 below for
details.
CAUTION: DO NOT TOUCH THE OTHER SLIDE
SWITCHES ON THE BACK OF THE CONTROL
BOARD. THESE ARE FACTORY SET AND CAN ONLY
BE CHANGED BY A QUALIFIED GNB SERVICE
REPRESENTATIVE.
TABLE 4
SW5
1
2
3
4
START DELAY
(HOURS)
ON
ON
ON
ON
0 (DEFAULT)
OFF
ON
ON
ON
1
ON
OFF
ON
ON
2
OFF
OFF
ON
ON
3
ON
ON
OFF
ON
4
OFF
ON
OFF
ON
5
ON
OFF
OFF
ON
6
OFF
OFF
OFF
ON
8
9.1.1.2
DELAY LED
This LED indicates that the charger is in the delay mode
and charging will not start until the delay time has
elapsed. A flashing Delay LED indicates that the delay is
in progress.
9.1.1.3
START DELAY OVERRIDE
This pushbutton will override the charger delay mode and
charging will start immediately.
9.1.2 CHARGING
9.1.2.1 CHARGING LED
This LED indicates that the charger is ON.
9.1.2.2 80 % CHARGED LED
This LED indicates that the battery has reached 80%
charge.
9.1.2.3 CHARGE COMPLETE LED
When this LED is continuously lit it indicates that the
charging cycle is complete. The battery may now be
safely disconnected. In the event this LED is flashing, it
indicates that cooldown is in progress.
9.1.2.4 FAULT LED
This LED is associated with any fault that is described in
Appendix A
LIST OF DISPLAY INDICATIONS
(page
19)
. It
indicates that there is a problem prior to or during
the battery charging operation.
9.1.3 DISPLAY
The display shows the charging current to the battery
during the charging process. The display will show
additional messages as the charging is progressing or a
fault occurs.
9.1.4 STOP PUSHBUTTON
This pushbutton will STOP the charge cycle. The battery
can then be safely unplugged. The red fault LED will light
to indicate that the charge cycle was interrupted.
9.1.5 BATTERY COOLDOWN OPERATION
STAGE
A cooldown period is incorporated in the charge cycle.
This stage serves to cool down the battery before being
placed back in service. During this time the display will
alternate between “COL” and time remaining in this stage.
If battery is unplugged during cooldown the display will
show “OFF”. During cooldown period, Equalize can be
activated by pressing the Equalize button. If this occured,
cooldown will not start until after Equalize charging is
complete.
9.1.6 REFRESH CHARGE STAGE
If a battey is left connected to the charger after cooldown,
the charger will go into a refresh charge mode. This
means that 24 hours after a charging was finished the
battery will get a refresh charging for 10 minutes every 24
hours, at finish rate current.