15
The J35 will enter the two stages of LVD, Sleep Mode and Storage Mode, when the
caravan’s battery voltage falls below the LVD thresholds.
SLEEP MODE
The J35 will provide power to the CAN bus. This allows you to continue to
monitor battery consumption from the battery monitor. However, power to the
load terminal block will be turned off and you will not be able to use your battery
monitor to power caravan loads.
To exit Sleep Mode, start battery charging. The J35 will exit Sleep Mode when the
battery is sufficiently charged. Upon exit of Sleep Mode, the J35 will automatically
return to its previous state of operation.
When in Sleep Mode you may temporarily turn on caravan loads by cycling the
caravan’s Load Isolation Switch. This feature allows you to retract slide-outs or
electric steps should you need to pack your caravan. This temporary switch on of
the caravan loads may also be done by pressing the Battery icon on your battery
monitor.
STORAGE MODE
Power to the CAN bus will now be turned off; meaning no communication or
power to the accessories connected to the J35 CAN bus. Please note, the JHub
Tablet (if in use) may run on its internal battery for some time.
To exit Storage Mode, start battery charging. The J35 will exit Storage Mode when
the battery is sufficiently charged. Upon exit of Storage Mode, the J35 will not
automatically return to its previous state of operation; caravan loads will need to
be powered on manually.
When in Storage Mode you may temporarily turn on caravan loads by cycling the
caravan’s Load Isolation Switch.
Heavily Discharged Batteries (Lead Acid)
The J35 will not charge heavily discharged lead acid batteries.
In normal use, and with the J35 battery health preservation, batteries should
never become heavily discharged.
LVD MODE LEAD ACID LiFePO4 (J35D ONLY)
Sleep Mode 10.8V 12.0V
Storage Mode 10.5V 11.5V
Table 6: LVD Mode voltage thresholds
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