EnForcer™ SCR Service Manual I.B. 1561
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equally divided between both batteries provided that batteries % of discharge and ages are equal. Make sure both
batteries are connected before charge cycle starts.
The charger must be set for parallel cable and have Auto Cell sizing disabled in the service settings. Contact your
sales/service representative.
AC DISCONNECT (OPTIONAL)
When an AC disconnect is installed, access to the charger through the front door is denied unless the AC disconnect is
switched off. When the AC disconnect is in the off position, power is only present at the disconnect switch input terminals.
Make sure that main breaker is switched off before working on the charger.
AC INPUT CHANGE QUICK TAP™ (OPTIONAL)
Quick Tap™ is a feature to EnerSys chargers that allows the user to change AC input easily and quickly. See the
heading VOLTAGE CONVERSION for more information.
ES3 Control Board
NORMAL OPERATION
1. Idle Mode: When AC input voltage is applied to the charger and no battery is connected, the POWER LED will be lit.
Two alternating messages will appear on the front display:
Connect
Battery #1
Where Battery # is the selected battery settings 1-3.
Tue. Dec. 11 2014
10:12:20
The current date/time.
2. During Idle Mode, toggling the UP or DOWN pushbuttons will display the previous charge cycle parameters. Toggle
the UP or DOWN to display the total charge time, Amp-hours delivered, highest voltage during the previous charge cycle,
the number of charge cycles since the last equalize and the equalize count. Only the charge count and equalize count
will be saved in non-volatile memory and can be recalled when AC power is restored after an outage. The other values
will remain in volatile memory until the next charge cycle begins or if AC power is removed.
3. Plug the battery connector into the charger connector. The control board senses voltage. Once the battery is
connected to the charger, the START/STOP LED will flash for approximately 5 seconds while the display shows this
message:
Start
Battery Charger
850 Amp Hours*
Flooded Profile*
* Note that the Amp Hour value and battery type will vary.
Start in
3 Seconds
2 Seconds
1 Second
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