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Victron Lynx Smart BMS 500 Manual

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8. Operation Lynx Smart BMS
8.1. Powering up
The Lynx Smart BMS will power up when a battery is connected to the battery terminals and the remote on/off switch is turned on
(or the wire loop is placed in the remote on/off terminal).
The power up sequence follows these steps:
•System check: A self check together checking the connected batteries and Lynx Distributor modules.
•Pre-charge loads: The pre-charge circuit prevents very high inrush currents that can damage the contactor.
•Contactor closes: The Lynx Smart BMS is operational
Hibernation mode
The Lynx Smart BMS is in hibernation mode when the Lynx Smart BMS has turned itself off because of a low battery event or
when it has been turned off via the remote on/off switch.
In hibernation mode, the contactor and most of the electronic circuits are turned off and the power consumption is very low
(0.8mA). The status LED is off.
Bluetooth is still active during hibernation mode. The blue Bluetooth LED is either flashing every 3 seconds or is on, depending on
whether there is an active Bluetooth connection with the VictronConenct app.
The Lynx Smart BMS will come out of hibernation mode when the remote on/off switch is switched on or the batteries are
charged.
Remote on/off switch
The contactor is driven by the BMS and also by the remote on/off signal. This way the Lynx Smart BMS can act as main system
on/off switch. For example, before leaving the boat or camper van, the system can be switched off so that the batteries are not
further discharged. Although the power consumption in hibernation mode is very low, it is good practice to first fully charge the
batteries before switching the system off. However, if the system is left for a very long time without being charged, it will be better
to disconnect the positive battery pole.
Operational
Once powered up the contactor is closed. The green status LED and the blue Bluetooth LEDs on the Lynx Smart BMS and the
green power LED on Lynx Distributor(s) are illuminated.
Status LED Bluetooth LED
Lynx Smart BMS LEDs
8.2. BMS operation
The BMS in the Lynx Smart BMS communicates with the batteries and will safeguard them against under voltage and over
voltage and low temperatures.
Sleep mode
The Lynx Smart BMS will go into sleep mode when one of the battery cells is low and no charge voltage has been supplied for 2
hours. The contactor and most internal electronic is turned off, status LED is off, the power consumption is very low (0.8mA).
Bluetooth is still active and the blue LED is either on or flashing every 3 seconds depending on whether there is an active
connection with the VictronConnect app.
The Lynx Smart BMS will come out of sleep mode when:
• A charge voltage is supplied to the system side of the Lynx Smart BMS 0.5V higher than the battery voltage.
• The battery voltage is higher than 12.8V (25.6V).
• The Lynx Smart BMS is switched off and then back on again via the remote on/off switch.
Lynx Smart BMS
Page 21 Operation Lynx Smart BMS
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