ASC+ System Auto Split Charge & Engine Start Protect
User Guide and Installation Instructions
Document No 13362 Issue 04
Page 18 of 21
ESP (Engine Start Protect) options
Timed Disconnect (Isolate)
When the “blue option” wire is “off” (Ignition off) and the battery is not being charged then a
timer starts (normally 90 minutes, depends on model). At the end of this timed period, the
ABP contactor is pulsed open. During the timed period, the “Engine Battery On/Off” switch
LED lamp will flash as stated in the table below:
Time
Lamp on time Lamp off time
1
st
stage
1 sec
1 sec
2
nd
Stage
0.5 sec
0.5 sec
Final Stage
0.2 sec
0.2 sec
Should any of the following events occur during the timed period, then the timer will be
cancelled or re-started:
Taking the “blue option wire to a positive voltage (e.g. ignition on)
Pressing “Engine Battery” switch
Raising the battery voltage (e.g. charger connected)
See the flow chart Figure 5 on page 17 for the flash patterns during this function.
Note: the Low battery (ESP) protection will override this function.
Within the ASC+ functions are user defined options which may be provided, on request, in
place of the standard settings listed below.
