Battery and Charger
MERGE 11-28
Chapter 11
Figure 1
4) Check/Change Charging Algorithm:
The charger comes pre-loaded with algorithms for batteries as detailed in Table 1. If your specific
battery model is not listed, please contact Delta-Q.
Each time AC power is applied with the battery pack NOT connected, the charger enters an
algorithm select/display mode for approximately 11 second. During this time the current Algorithm
# is indicated on the ‘80%’ LED (Models 912-xx0x) or on the single LED(Models 912-xx1x).A
single digit Algorithm # is indicated by the number of blinks separated by a pause, A two digit
Algorithm # is indicated by the number of blinks for the first digit followed by a short pause. then
the number of blinks for the second digit followed by a longer pause.
To check/change the charging algorithm:
a) Disconnect the charger positive connector from battery pack. Apply AC power and after the
LED test, the Algorithm # will display for 11 seconds.
b) To change algorithm, touch positive connector during the 11 second display period to the
battery pack’s positive terminal for 3 seconds and then remove the Algorithm # will advance
after 3 seconds. Repeat until desired Algorithm # is displayed. A 30 second timeout is
extended for every increment.
Incrementing beyond the last Algorithm moves back to the first Algorithm.
After desired Algorithm # is displayed, touch the charger connector to the battery positive
until the output relay is heard to click (~10 seconds)-algorithm is now in permanent memory.
c) Remove AC power from the charger and reconnect the charger positive connector to the
battery pack. It is highly recommended to check a newly changed algorithm by repeating
step4) above.
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