Owner`s manual

VANNER Incorporated Introduction
80-Series CAN Power Management System OWNER’S MANUAL
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Introduction
Thank you for purchasing a Vanner VANN-Guard CAN Power Management System. We are confident
that you will be very pleased with its performance because our 80-Series are designed and manufactured
by skilled professionals using the highest standards in workmanship. With minimum maintenance and
care, you can be assured of many years of trouble free service.
General Description
The Vanner VANN-Guard CAN Power Management System is an efficient and highly reliable method of
obtaining a 12 volt DC power source from a 24 volt DC electrical system. The VANN-Guard makes the
batteries look like they are in series and parallel at the same time. In addition to providing regulated 12
volt power, the system ensures that battery voltages remain equal which significantly extends battery life.
Ideally suited for vehicle and alternate energy applications, the VANN-Guard is designed to save your
batteries and the money you would spend replacing them. Users of the Vanner VANN-Guard know that it
is the most cost effective and dependable solution for dual voltage systems.
The CAN (Controller Area Network) Capable Smart Monitor is a device designed to monitor and report
the status of several critical functions in the vehicle electrical system. This unit provides real-time fault
signals over the CAN bus to the vehicle electrical system controller. Fault indications can then be given
from the vehicle’s electrical system controller. Battery-monitoring algorithms have been incorporated into
the 80-Series VANN-Guard, transmitting real time battery state of charge, state of health, and run time
messages over CAN.
A typical system would include a 24VDC power source, such as an alternator or solar array, two 12 volt
battery banks in series, and the VANN-Guard. The VANN-Guard connects to the 24 volt, 12 volt and
ground terminals of the battery system. When the 12 volt loads require power, the VANN-Guard ensures
that the current is taken equally from both batteries, and that the voltages of the two batteries are kept
equal. This equalization ensures extended battery life and provides a stable 12 volt supply for operating
accessories.
Paralleling VANN-Guard: Models are available which provide 60, 80 and 100 amps of 12 volt DC power.
VANN-Guard may also be operated in parallel to provide more power. For example, two 60 amp units can
be installed to provide 120 amps of 12 volt DC power.
NOTE: The Vanner VANN-Guard CAN Power Management System is an extremely reliable device and,
when installed according to the instructions, will provide reliable operation for an indefinite period of time.
However, if a system abnormality should develop that would cause a VANN-Guard malfunction, damage
to the battery system could result if 12 volt loads are present.