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A. Battery Condition and Performance:
Battery Voltage is critical for system operation. Special attention should be
given to both sets of batteries.
Attention: Poor quality truck batteries or a weak alternator will have a
Negative impact on Park Smart unit run time. Always maintain the best
possible batteries and charging system.
Load test and maintain batteries as required by the manufacturer.
B. Separator
Check the voltage of the trucks main batteries on the separator (main) battery
terminal.
With the truck not running the truck battery Voltage should be under 13 Volts.
Anytime the truck main battery voltage is below 13.2 the separator contacts
will be open.
Start the truck. When a Voltage of 13.2 on the truck batteries is reached, the
separator contacts will close, and allow power to begin charging the AUX
batteries. You should see a voltage increase going into the AUX batteries.
Using a clamp on DC ammeter you will see the rate of charge going to the
batteries.
When this occurs, the separator is working correctly.
If the separator does not close or closes and does not allow charging to the
AUX batteries, replace the separator.
Please note: It is normal for the separator to change back and forth between
charging the truck bank of batteries and the AUX system bank of batteries,
especially in the first two hours. As the truck batteries regain charge the
separator will stay engaged for longer periods of time.
Appendix
Standard alternator 270 Amp
.
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